Acer Aspire 4250 Acer Aspire 4250 Notebook Service Manual
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- Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 1
Aspire 4250 SERVICEGUIDE - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 2
guide. Date Chapter Updates Service guide files and updates are available on the ACER/CSD Website. For more information, go to http://csd.acer.com.tw.The information in this guide is subject to change without notice. Copyright Copyright © 2011 by Acer Incorporated. All rights reserved. No part - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 3
conventions are used in this manual: ! WARNING: Indicates a User's Guide /usr/local/bin/fd the /TPH15spool_M program Computer output (text that represents information displayed on a computer screen, such file name> -m Keyboard keys are shown in bold italics. Example: After entering data, press - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 4
noted in this printed service guide. Acer-authorized Service Providers: The Acer office may have a different part number code than those given in the FRU list in this service guide. A list must be provided by the regional Acer office to order FRU parts for repair and service of customer machines. iv - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 5
specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table 1-26 GPU Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 6
38 Battery 1-38 VRAM (not available in this model 1-39 USB Port 1-39 AC Adapter 1-39 System Power Management 1-40 Card Reader 1-40 System LED Indicator 1-41 System DMA Specification 1-41 CHAPTER 2 System Utilities BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS 2-4 Information - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 7
Installation 3-17 HDD (Hard Disk Drive) Module Removal 3-18 HDD Module Installation 3-19 Mainboard Removal 3-20 Mainboard Installation 3-22 DIMM (Dual In-line Memory Module) Module Removal . . . 3-23 DIMM Module Installation 3-24 WLAN (Wireless Local Area Network) Module Removal . . . 3-25 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 8
42 LVDS Cable Removal 3-43 LVDS Cable Installation 3-44 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 9
6 FRU (Field Replaceable Unit) List Exploded Diagrams 6-4 FRU List 6-7 Screw List 6-20 CHAPTER 7 Model Definition and Configuration Acer Aspire 4250 7-1 CHAPTER 8 Test Compatible Components Microsoft® Windows® 7 Environment Test 8-4 CHAPTER 9 Online Support Information Introduction 9-3 ix - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 10
x - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 11
CHAPTER 1 Hardware Specifications - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 12
specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table 1-26 GPU Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 13
Audio Interface 1-38 Battery 1-38 VRAM (not available in this model 1-39 USB Port 1-39 AC Adapter 1-39 System Power Management 1-40 Card Reader 1-40 System LED Indicator 1-41 System DMA Specification 1-41 1-3 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 14
1-4 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 15
L2 cache, 1.60 GHz, DDR3 1066 MHz, 18 W) AMD E-Series processor C-50 (1 MB L2 cache, 1 GHz, DDR3 1066 MHz, 9 W) AMD A50M Fusion™ Controller Hub System Memory 0 Single-channel DDR3 SDRAM, supports 2 DIMMS: Up to 4 GB of DDR3 system memory, upgradable to 8 GB using two soDIMM modules Display 0 14" HD - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 16
Protection) support Storage Subsystem 0 Hard disk drive: 250/320/500/640/750 GB or larger 2-in-1 card reader: Supports Secure Digital™ (SD) Card and MultiMediaCard™ (MMC) Privacy Control 0 BIOS user, supervisor, HDD passwords Kensington lock slot 1-6 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 17
, 5X DVD-RAM Communication 0 Acer Video Conference: Acer Crystal Eye webcam, 1280 x 1024 resolution WLAN: Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™ Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™ Supporting Acer SignalUp™ wireless technology LAN: Gigabit Ethernet, Wake-on-LAN ready Dimension and - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 18
Special Keys and Controls 0 Keyboard 105-US/106-UK key New Acer TM7T flat keyboard with international language support Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media keys Media control keys (printed on keyboard): play/pause, stop, previous, next, volume up, - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 19
only) Communication and ISP Acer Crystal Eye Microsoft® Silverlight™ Skype™ Windows Live™ Essentials Web links and utilities Acer Accessory Store (Belgium, France, Germany, Italy, Netherlands, Spain, Sweden, UK only) Acer Identity Card Acer Registration Acer Updater eBay® shortcut 2009 (Canada - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 20
Item 1 Acer Crystal Eye webcam 2 Display screen 3 Power button Description Web camera for video communication. (only for certain models) Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). Turns the computer on and off. 4 Keyboard For - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 21
Indicates the computer's power status. Battery indicator HDD indicator Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. Indicates when the hard disk drive is active. Communication - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 22
Reader Accepts Secure Digital (SD), MultiMediaCard (MMC). Note: Push to remove/install the card. Only one card can operate at any given time. 1-12 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 23
Figure 1-3. Top View Table 1-3. Top View # Icon 1 Item Acer Logo Description Acer Aspire 4250 Logo Hardware Specifications and Configurations 1-13 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 24
Figure 1-4. Rear View Table 1-4. Rear View # Icon 1 Item Battery bay Description Houses the computer's battery pack. 1-14 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 25
display Connects to a display device (e.g., external (VGA) port monitor, LCD projector). 5 Ethernet (RJ-45) port Connects to an Ethernet 10/100/1000-based network. 6 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB camera). Hardware Specifications and Configurations 1-15 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 26
Connect to USB 2.0 devices (e.g., USB mouse, USB camera). Internal optical drive; accepts CDs or DVDs. Lights up when the optical drive is active. Ejects the optical disk from the drive. Insert a pin in the eject hole to eject the Optical drive 1-16 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 27
# Icon Item 1 Battery bay 2 Battery lock Description Houses the computer's battery pack. Locks the battery in position. 3 Ventilation slots Enable the computer to stay cool, even after prolonged use. 4 Battery release latch Releases the battery for removal. Hardware Specifications and - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 28
, keep it - and fingers - dry and clean. The Touchpad is sensitive to finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not increase the Touchpad's responsiveness. 1-18 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 29
1-9. Keyboard Lock Keys Lock Keys 0 The keyboard has Scroll Lock is on, the screen moves one line up or simplify the keyboard legend, cursor-control key symbols control keys on embedded keypad Hold while using cursor-control keys. Hold while using cursor-control keys. Main keyboard - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 30
keyboard has two keys that perform Windows-specific functions. Windows Logo key Application key Key Description Windows Logo key Pressed alone, this key has the same effect as clicking on the Windows Display the System Properties dialog box Functions supported by Windows XP: < > + : Show - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 31
access most of the computer's controls like screen brightness and volume output. Figure 1-10. Keyboard Hotkeys To activate hotkeys, press display output between the display screen, external monitor (if connected) and both. Turns the display screen backlight off to save power. Press any key to - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 32
Description Decreases the sound volume. Plays or pauses media files Stops media file Plays the previous media file Plays the next media file 1-22 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 33
System Block Diagram Figure 1-11. System Block Diagram Hardware Specifications and Configurations 1-23 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 34
Computer specifications Item Metric Imperial Dimensions Length 245 mm 9.64 in Width 342 mm 13.46 in Height (front to rear) 19.4/25.4 mm 0.76/0.99 in Weight (equipped with 2.15 kg with 6-cell battery optical drive, flash drive, and battery) 4.73 lbs with 6-cell battery Input power - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 35
Conexant 20584 Card reader AU6435 eSata N/A Processor Item Specification CPU type AMD E-Series dual-core processor E-350 AMD C-Series dual-core processor C-50 (Zacate TDP-18W) CPU package 413pin BGA Core Logic Two execution cores A 32-KB instruction and 32-KB data first cache (L1) for - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 36
down: 105C SPL Spec (dBA) 28 31 34 37 40 N/A System Memory Item Specification Memory controller Built in at CPU Memory size DDRIII 1333 512 MB, 1 GB, 2 GB, 4 GB DIMM socket number 2 sockets Supports memory size per socket 4 GB Supports maximum memory size 8 GB Supports DIMM type SDRAM - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 37
0 4096 4096 Total Memory (MB) 1024 1024 2048 2048 2048 4096 4096 4096 8192 Video Interface Chipset Item Package Interface Compatibility Sampling rate BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size Features Specification AMD Radeon™ HD 6310 Graphics AMD Radeon™ HD 6250 Graphics - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 38
Item LAN Chipset LAN connector type LAN connector location Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification Atheros 8151 RJ45 RJ45 at the left side Supports 10/100/1000 Specification Acer AC4T_A10B keyboard - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 39
Drive Format Disks 1, 1, 1, 1, 2 Spindle speed (RPM) Performance Specifications Buffer size Interface Fast data transfer 3.0 rate (Gbits / sec, max) Media data transfer rate (Mbytes/sec max) 875, 300, 97, 97, 584.5-1195.5 DC Power Requirements Voltage tolerance Specification Hitachi - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 40
Hard Disk Drive (AVL components) (Continued) Item Specification Specifications Buffer size 8MB Interface SATA Fast data transfer 3.0 rate (Gbits / sec, max) N/A, 3.0, 3.0, 3.0 Media data transfer rate (Mbytes/sec max) 996, 300, 97, 97, 584.5-1195.5 N/A, 300, 97, 584.5-1195.5 DC Power - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 41
RAM(4.7GB) CD: CD-DA, CD-ROM, CD-ROM XA, PhotoCD (multisession), Video CD, Cd-Extract (CD+), CD-text Loading mechanism Electrical Release (Release Button) Release by ATAPI command Emergency Release Power Requirements Input Voltage 5 V +/- 5% (Operating) DC 5V +/- 0.25V Hardware Specifications - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 42
DVD+R, DVD+R9, DVD-R9, DVD-RAM(4.7G) CD: CD-ROM, CD-R and CD-RW Loading mechanism Electrical Release (Release Button) Release by ATAPI command Emergency Release Manual load Plunger system Power Requirements Input Voltage 5V +/- 5% (Operating) 1-32 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 43
Book Part‡V Volume1 & Volume2) Super Audio CD (SACD) Hybrid type US & US+ RW (US 32X CD-RW Disc recording disable) Loading mechanism Horizontal & Vertical, Motorized Tray-type loading Drawer (Solenoid Open) Power Requirements Input Voltage DC +5V ± 5% DC +5V ± 5% Hardware Specifications and - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 44
LED 14.0" Item Vendor & Model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel Pitch (mm) Typical White Luminance (cd/m2) also called Brightness Contrast Ratio Response Time (Optical Rise Time/Fall Time) msec Typical Power Consumption (watt) Weight (without inverter) - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 45
bits Yes Yes Yes Yes Yes Yes Yes 32 bits Yes Yes Yes Yes Yes Yes Yes Graphics Controller Item VGA Chip Supports Specification AMD Radeon™ HD 6310 Graphics AMD Radeon™ HD 6250 Graphics Unified Video Decoder 3 (UVD3) OpenCL™ 1.1 OpenGL® 3.1 OpenEXR High Dynamic-Range (HDR) technology Shader Model - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 46
this model) Item Chipset Data throughput Protocol Interface Connector type Supported protocol Specifications Bluetooth Module (not available with this model) Item Controller Feature Controller Specifications Camera Item Specification Vendor & Model Suyin 1.3MB HF1316, HF1315 Liteon 1.3MB - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 47
by InterVideo, CyberLink and ArcSoft) AMD low power ECR compliant and power status control for every analog converter and pin widgets Supports 3.3V digital core power, 1.5V~ 3.3V scalable digital I/O power for HD Audio link, and 3.0~5.0V analog power Hardware Specifications and Configurations 1-37 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 48
CX20584 embedded amplifier Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Conexant 20584 On board Mono Support 16/24bit PCM HD audio Interface Sample rate - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 49
VRAM (not available in this model) Item Chipset Memory size Interface Specification USB Port Item USB compliance level EHCI Number of USB port(s) Location Output Current Specification Universal Serial Bus 2.0 2 3 1 left side, 2 right side 1.05V HDMI Port Item Compliance level Data throughput - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 50
Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode Also called Hibernation Mode. System saves all system states and data onto the disc prior to power off the whole system. Card Reader Item Chipset Package Maximum supported size Features Specification AU643 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 51
off Full charging = Blue Battery charging = Amber Back up active = Blue Arcade module active = Blue Finger print module active = Blue System DMA Specification Legacy Mode Power Management DMA0 N/A DMA1 N/A DMA2 N/A DMA3 N/A DMA4 Direct memory access controller DMA5 Available for - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 52
PS/2 Keyboard High precision event timer Synaptics PS/2 Port Touchpad Numeric data processor Atheros AR8152/8158 PCI-E Fast Etherent Controller (NDIS 6.20) High Definition Audio Controller PCI standard PCI-to-PCI bridge PCI standard PCI-to-PCI bridge Broadcom 802.11n Network Adapter Standard - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 53
System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System AMD Radeon HD 6250 Graphics Hardware Specifications and Configurations 1-43 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 54
PS/2 Keyboard Microsoft ACPI-Compliant Embedded Controller System CMOS/real time clock Motherboard resources Motherboard resources Direct memory access controller Motherboard resources Programmable interrupt controller Motherboard resources Direct memory access controller Numeric data processor AMD - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 55
standard PCI-to-PCI bridge AMD Radeon HD 6250 Graphics Standard AHCI1.0 Serial ATA Controller Standard AHCI1.0 Serial ATA Controller Standard AHCI1.0 Serial ATA Controller Standard AHCI1.0 Serial ATA Controller Standard AHCI1.0 Serial ATA Controller Hardware Specifications and Configurations 1-45 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 56
1-46 Hardware Specifications and Configurations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 57
CHAPTER 2 System Utilities - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 58
13 BIOS Flash Utilities 2-14 DOS Flash Utility 2-15 WinFlash Utility 2-17 Clearing BIOS Passwords 2-18 Removing BIOS Passwords 2-19 Removing Insyde HDD Password 2-21 Miscellaneous Tools 2-22 Using DMITools 2-22 Using UUIDTools 2-26 Using the LAN MAC EEPROM Utility 2-27 Crisis Disk Recovery - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 59
Troubleshooting when a problem arises. To activate the utility, press F2 during POST (power-on self-test) when prompted at the bottom of screen exit BIOS screen. Read parameter help carefully when making changes to parameter values. Parameter help is found in the Item Specific Help area of the screen - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 60
tabs found on the InsydeH20 BIOS Setup Utility screen: NOTE: NOTE: The screens provided are for reference only. BIOS Information Parameter Description CPU Type CPU (central processing unit) type and speed of system CPU Speed Speed of the CPU HDD Model Name Model name of HDD (hard disk drive - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 61
(Continued) Parameter Description System BIOS Version System BIOS version VGA BIOS Version VGA (video graphics array) firmware version of system Serial Number Serial number of unit Asset Tag Number Asset tag number of system Product Name - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 62
BIOS system date Total Memory Video Memory Graphic Mode Total memory available Available memory for video Shows graphic mode options Quiet Boot Network Boot Shows OEM (original equipment manufacturer) screen during system boot instead of traditional POST screen Option to boot system from LAN - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 63
Table 2-2. BIOS Main (Continued) Parameter Description F12 Boot Menu Option to use boot menu during POST D2D Recovery Option to use D2D Recovery function SATA Mode Option to set SATA controller mode Format/Option Option: Enabled or Disabled Option: Enabled or Disabled Option: AHCI or IDE - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 64
HDD Password Power on Password Clear Clear Clear 3.5 Item Specific Help Install or Change the password and the length of password must be greater than one word. Figure 2-3. BIOS Security Table 2-3 describes the parameters shown in Figure 2-3. Table 2-3. BIOS - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 65
Power-on-Password authentication is enabled, the BIOS password can only be cleared by initiating the Crisis Disk Recovery procedure. Refer to Crisis Disk Recovery. NOTE: NOTE: When prompted to enter password, three attempts are allowed before system halts. Resetting BIOS on the screen. 3. Press - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 66
set Supervisor Password parameter to Clear. 4. Press F10 to save changes and exit the BIOS Setup Utility. Changing a Password 0 1. Use the ↑ and ↓ keys to 5. Press F10 to save changes and exit BIOS Setup Utility. If the verification is OK, the screen will show as follows. 2-10 System Utilities - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 67
Setup Notice The password setting is complete after the user presses Enter. If the password entered does not match the current password, the screen shows the Setup Warning dialog. (Figure 2-8) Figure 2-8. Setup Warning: Invalid Password If new password and confirm new password strings do not match - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 68
diskette drives Onboard hard disk drive DVD drive in the Network Boot: Atheros Boot Agent 5. USB HDD: 6. USB CDROM: 3.5 Item Specific Help Use or to select a device, then press to move it down the list, or to move it up the list. Press to escape the menu Figure 2-10. BIOS - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 69
Discard Changes Save Changes Item Specific Help Exit System Setup and save your changes. Figure 2-11. BIOS Exit Table 2-4 describes the Save setup item changes to system without exiting. Exit Discarding Changes Exit BIOS utility without saving setup item changes to system. Load Optimal Defaults - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 70
to update the system BIOS Flash ROM. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 71
. Example: If using USB HDD to Update BIOS, move USB HDD to position 1. 3.5 Boot priority order: 1. HDD0: Hitachi HTS54501689A300 2. ATAPI CDROM: TSSTcorp CDDVDW TS-L633F 3. USB FDD: 4. Network Boot: Atheros Boot Agent 5. USB HDD: 6. USB CDROM: Item Specific Help Use or to select a device - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 72
5. Flash is complete when the message, Flash Programming Complete is shown. System will restart automatically when finished. NOTE: NOTE: If AC power is not connected, the following message is shown (Figure 2-14). Plug in the AC power to continue. Figure 2-14. AC Power Warning 2-16 System Utilities - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 73
WinFlash Utility 0 Perform the following to use the WinFlash Utility: 1. Double-click WinFlash executable ZQH_101W.EXE. 2. Click OK to begin update. A progress screen is shown. (Figure 2-15) Figure 2-15. InsydeFlash System Utilities 2-17 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 74
Clearing BIOS Passwords 0 ! CAUTION: If Power-on Password authentication is enabled, the BIOS password can only be cleared by initiating the Crisis Disk Recovery procedure or flashing the BIOS. See Crisis Disk Recovery. This section provides details about removing HDD/BIOS passwords. Clear the BIOS - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 75
Removing BIOS Passwords 0 (Hardware method) To clear User or Supervisor passwords, remove lower cover and use a metal Supervisor Password is entered three times, the message System will halt! is displayed on screen.(Figure 2-19) Figure 2-19. Supervisor Password Error System Utilities 2-19 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 76
password then it must be unlocked. There are two methods to do this. Method 1: 0 If BIOS menu item Power on Password is set to Enabled, then Crisis Recovery disc must be used. Method 2: 0 If BIOS menu item Power on Password is set to Disabled. 1. Press any key to exit the menu. 2. In DOS - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 77
Removing Insyde HDD Password 0 Clear the BIOS Password as follows: To reset the BIOS password, perform the following: 1. When the user keys in the wrong password three times, the system reports the error code: Figure 2-21. Unlock Password Prompt 2. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 78
the operating system (Windows, etc.). To update the DMI Pool, perform the following: 1. Boot system from bootable USB Flash Drive. 2. Boot to DOS. 3. Execute qdmi301.exe. To execute a specific function, select the associated menu number. Figure 2-24. DMI Tools Main Menu Screen 4. Press 1 to modify - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 79
Figure 2-25. Asset Tag Menu Item 5. Press 2 to modify the product name, then press 2 again to modify EEPROM spec. version. Figure 2-26. Product Name Menu Item System Utilities 2-23 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 80
6. Press 3 to modify serial number key. Figure 2-27. Serial Number Menu Item 7. Press 4 to modify the 1394 GUID number key. Figure 2-28. 1394 GUID Number Menu Item 8. Press 0 to exit. 9. At the command prompt, run VEEPROM.exe to write any changes in the data to the 2-24 System Utilities - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 81
EEPROM. NOTE: NOTE: When using any of the write options, restart the system to make the new DMI data effective. System Utilities 2-25 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 82
Using UUIDTools 0 The UUID (Universally Unique Identifier) Tool copies BIOS information to EEPROM (Electrically Erasable Programmable Read-Only Memory). Used in the DMI pool data for hardware management. To update the DMI Pool, perform the following: 1. Unzip UUID package tool to USB Flash Disk. 2. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 83
the following steps to write MAC (Media Access Control) information to EEPROM: Use LAN.BAT utility to write MAC values to EEPROM under ' (MAC address is the 16 digit number given as Physical Address ). 2. Run the LAN.BAT file. 3. Enter the 'MAC address' to write MAC values. Flash process begins - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 84
button first but still press Fn + Esc keys and hold them down until the power led turns off (about 1-2 seconds). 9. Press Power button and the system will enter crisis mode to flash the BIOS. At first running, the LED of USB flash disk will keep glitter about 3-7 minutes and restart after. You could - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 85
CHAPTER 3 Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 86
Installation 3-17 HDD (Hard Disk Drive) Module Removal 3-18 HDD Module Installation 3-19 Mainboard Removal 3-20 Mainboard Installation 3-22 DIMM (Dual In-line Memory Module) Module Removal . . . .3-23 DIMM Module Installation 3-24 WLAN (Wireless Local Area Network) Module Removal . . . .3-25 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 87
LVDS Cable Removal 3-43 LVDS Cable Installation 3-44 3-3 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 88
3-4 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 89
Plastic tweezers Flat plastic pry Table 3-1. Screw List Size M2.0*3.0 M2.5*6.0 M3.0*3.0 (NI) M2.5*3.0 (NI) M2.5*4.0 M2.0*2.0 M2.5*4.0 (NI) M2.0*5.0 Quantity 15 18 4 2 7 1 7 4 Acer Part No. 86.ARE07.002 86.ARE07.001 86.N1407.007 86.R6Z07.001 86.PSR07.001 86.W4107.002 86.R6Z07.001 86.T23V7.010 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 90
shows information on what components may need to be removed and installed during servicing. Battery SD Dummy Card Keyboard Base Assembly ODD Module USB Module Mainboard HDD Module DIMM Module WLAN Module Power Switch Board LCD Module Speaker Module Thermal Module LCD Bezel DC-in Jake - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 91
of the sequence to avoid damage to any of the hardware components. Do the following prior to starting any maintenance procedures: 1. Remove power (A) from the system and peripherals (Figure 3-2). 2. Remove all cables from system. A Figure 3-2. AC Adapter Outlet 3. Put system on a stable work surface - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 92
position (Figure 3-3). 3. Push and hold battery release latch (B) to release position (Figure 3-3). 4. Lift battery pack (C) from battery bay (Figure 3-3). C A B Figure 3-3. Battery + IMPORTANT: Follow local regulations for battery (C) disposal (Figure 3-3). Battery Pack Installation 0 1. Hold latch - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 93
Dummy Card Removal 0 1. Push dummy card (A) in to release it from the spring latch (Figure 3-4). 2. Remove dummy card (A) (Figure 3-4). A Figure 3-4. Dummy Card Dummy Card Installation 0 1. Insert dummy card (A) (Figure 3-4). 2. Push card until spring latch locks. Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 94
Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Press upward on the seven (7) locking latches until the keyboard disengages and separates from the system (Figure 3-5). Figure 3-5. Keyboard Latches 2. Turn the keyboard over so that the keypad (C) is face down on the palm rest (Figure 3-6). - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 95
Refer to Figure 3-6. 2. Connect keyboard FPC (A) to mainboard connector (B). Refer to Figure 3-6. 3. Turn the keyboard over and align the keyboard with the indentation in the upper cover. 4. Press down to secure the latches on the system. Refer to Figure 3-5. 5. Install battery. Machine Maintenance - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 96
Base Assembly Removal 0 Prerequisite: Battery Pack Removal 1. Remove twenty four (24) screws securing the base assembly in place (Figure 3-7). Figure 3-7. Base Assembly Screw Location 3-12 Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 97
0 1. Align the base assembly onto the device (Figure 3-8). 2. Install and secure twenty four (24) screws to the base assembly. Refer to Figure 3-7. 3. Install battery. ID Green Call out Red Call out Size M2.0*3.0 M2.5*6.5 Quantity 6 18 Screw Type Machine Maintenance Procedures 3-13 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 98
ODD (Optical Disk Drive) Module Removal 0 Prerequisite: Base Assembly Removal 1. Remove ODD module from ODD bay (Figure 3-9). Figure 3-9. ODD Module in Lower Cover 2. Remove two (2) screws (C) from ODD module ( - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 99
. 3. Secure two (2) screws (C) to secure the bracket (D) to the back of ODD. 4. Install ODD module into ODD bay. Refer to Figure 3-9. 5. Install Base Assembly. 6. Install Battery. ID Size C M2.0*3.0 Quantity 2 Screw Type Machine Maintenance Procedures 3-15 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 100
USB Module Removal 0 Prerequisite: Base Assembly Removal 1. Find USB module (A) on Base Assemby as shown in Figure 3-11. A Figure 3-11. USB Module Location 2. Remove one (1) screw (B) from the base assembly (Figure 3-12). C D E B Figure 3-12. USB Module 3-16 Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 101
3. Disconnect USB module FFC (D) from mainboard connector (E) (Figure 3-12). 4. Disconnect and remove USB module FFC (D) from USB module connector (C). 5. Remove USB module from base assembly. USB Module Installation 0 1. Install USB module (A) on the base assembly. Refer to Figure 3-11. 2. Connect - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 102
HDD (Hard Disk Drive) Module Removal 0 Prerequisite: USB Module Removal 1. Find HDD module (A) on base assembly (Figure 3-13). A Figure 3-13. HDD Module Location 2. Gently remove HDD module from mainboard - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 103
3. Remove four (4) screws (D) from HDD bracket (E) (Figure 3-15). 4. Remove HDD bracket (E) from HDD module. 5. Remove HDD connector (C) from HDD module. D D E C E D D Figure 3-15. HDD Module HDD Module Installation 0 1. Attach HDD connector (C) to HDD module. Refer to Figure 3-15. 2. Put HDD - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 104
Mainboard Removal 0 Prerequisite: HDD (Hard Disk Drive) Module Removal 1. Find mainboard (A) on base assembly (Figure 3-16). A Figure 3-16. Mainboard Location 2. Disconnect WLAN antenna (B) connected to WLAN card (C) and remove antenna from the cable guides on the thermal module. Refer to Figure 3- - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 105
4. Disconnect DC-in cable from mainboard connector (E) (Figure 3-17). 5. Disconnect powerboard cable from mainboard connector (G) (Figure 3-18). 6. Disconnect speaker cable from mainboard connector (H) (Figure 3-18). G H Figure 3-18. Mainboard Connector Location 7. Remove two (2) screws (F) securing - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 106
Refer to Figure 3-18. 4. Connect LVDS cable (D) and DC-in cable (E) to mainboard connector (Figure 3-17). 5. Put WLAN antenna (B) into the cable guides on the thermal module (Figure 3-17). 6. Connect WLAN antenna (B) to WLAN card (Figure 3-17). 7. Install HDD Module. 8. Install USB Module. ID Size - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 107
DIMM (Dual In-line Memory Module) Module Removal 0 Prerequisite: Mainboard Removal 1. Find DIMM (C) on Mainboard (Figure 3-20). A C B Figure 3-20. Component Location 2. Push DIMM clips (A) outwards (Figure 3-21). A B Figure 3-21. DIMM Modules Machine Maintenance Procedures 3-23 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 108
3. Disconnect DIMM out of mainboard connector (B). Refer to Figure 3-21. 4. Repeat steps 2 and 3 for remaining modules. DIMM Module Installation 0 1. Connect DIMM into mainboard connector (B). Refer to Figure 3-21. 2. Push down on DIMM until module clips (A) lock in position. Refer to Figure 3-21. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 109
WLAN (Wireless Local Area Network) Module Removal 0 Prerequisite: Mainboard Removal 1. Find WLAN module (A) on Mainboard. Refer to Figure 3-20. 2. Remove one (1) screw (B) from mainboard (Figure 3-22). B Figure 3-22. WLAN Module 3. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 110
WLAN Module Installation 0 1. Put module into mainboard connector (C). Refer to Figure 3-23. 2. Install and secure one (1) screw (B) to mainboard. (Figure 3-22) 3. Install Mainboard. ID Size B M2.5*3.0 Quantity 1 Screw Type 3-26 Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 111
Thermal Module Removal 0 Prerequisite: Mainboard Removal 1. Find Thermal module (B) on Mainboard. Refer to Figure 3-20. 2. Loosen three (3) captive screws (A). Refer to Figure 3-24. 3. Disconnect the thermal module cable from the mainboard connector (B) (Figure 3-24). 4. Remove thermal module from - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 112
The following thermal pads are approved for use: Eapus XR-PE 1. Remove all traces of thermal grease from CPU using a lint-free cloth or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent. 2. Apply small amount of thermal grease to center of CPU. NOTE: NOTE: - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 113
powerboard cable (B) from the cable guides (Figure 3-25). 3. Remove one (1) screw (C) from base assembly (Figure 3-25). 4. Remove power switch board (A) from Base Assembly. B A C Figure 3-25. Power Switch Board Power Switch Board Installation 0 1. Put Power Switch Board (A) on Base Assembly - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 114
Base Assembly as shown on Figure 3-26. A Figure 3-26. Speaker 2. Remove four (4) screws (C) from base assembly (Figure 3-27). 3. Remove the speaker cables (B) from the cable guides (Figure 3-27). B C 3-30 Figure 3-27. Speaker C Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 115
4. Remove Speaker Module from Base Assembly. Speaker Module Installation 0 1. Put the speaker cables (B) into the cable guides. Refer to Figure 3-27. 2. Place speaker module onto base assembly (Figure 3-26). 3. Install and secure four (4) screws (C) to the base assembly. Refer to Figure 3-27. 4. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 116
LCD (Liquid Crystal Display) Module Removal 0 Prerequisite: Mainboard Removal 1. Remove four (4) screws (A) from LCD hinges (Figure 3-28). A A Figure 3-28. LCD Hinge Screws 2. Remove the top assembly from the LCD module (Figure 3-29). 3-32 Figure 3-29. LCD Module Machine Maintenance Procedures - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 117
Make sure all cables are moved away from the device to avoid damage during removal. LCD Module Installation 0 1. Align LCD hinges with the hinge guides on the Top Assembly. Refer to Figure 3-29. 2. Install and secure four (4) screws (A). Refer to Figure 3-28. 3. Install mainboard. ID Size A M2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 118
: LCD (Liquid Crystal Display) Module Removal 1. Find DC-in Jack Module (A) on Top Assembly. Refer to Figure 3-30. 2. Remove DC-in cable from cable guides on the top assembly (Figure 3-30). 3. Remove one (1) screw (B) from top assembly (Figure 3-30). 4. Remove DC-in Jack Module (A) from top assembly - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 119
top assembly. Refer to Figure 3-30 3. Install and secure one (1) screw (B) to the top assembly (Figure 3-30). 4. Put DC-in cable into the cable guides on the top assembly (Figure 3-30). 5. Install LCD Module. ID Size B M2-0.4*2.0 Ni Quantity 1 Screw Type Machine Maintenance Procedures 3-35 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 120
LCD Bezel Removal Prerequisite: LCD (Liquid Crystal Display) Module Removal 1. Remove two (2) screws (A) from the LCD module (Figure 3-32). A 0 A Figure 3-32. LCD Bezel 2. Lift the top of the bezel up releasing it from the latches (Figure 3-33). 3-36 Figure 3-33. LCD Bezel Machine Maintenance - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 121
3. Continue along the sides of the bezel until all the latches have been released (Figure 3-34). Figure 3-34. LCD Bezel 4. Lift the bezel from LCD module. LCD Bezel Installation 0 1. Put LCD bezel on the LCD module. Refer to Figure 3-32. 2. Press along the edges of the LCD bezel to secure the - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 122
(A) in the LCD module (Figure 3-35). A Figure 3-35. Camera Module Location 2. Disconnect the camera cable (B) from connector (C) (Figure 3-36). NOTE: NOTE: Use care not to damage the cable. C B Figure 3-36. Camera Cable 3. Lift the camera module from the LCD cover. 3-38 Machine Maintenance - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 123
Camera Module Installation 0 1. Put camera module on the LCD module. Refer to Figure 3-35. 2. Connect the camera cable (B) to connector (C). Refer to Figure 3-36. 3. Install LCD bezel. Machine Maintenance Procedures 3-39 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 124
Remove the six (6) screws (A) from the LCD panel (Figure 3-37). A A B A A Figure 3-37. LCD Panel 2. Remove the LVDS cable (C) from the cable guides (Figure 3-38). C Figure 3-38. LVDS Cable 3. Lift the LCD panel (B) from LCD cover (Figure 3-37). ! CAUTION: Make sure all cables are moved away - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 125
LCD Panel Installation 0 1. Put LCD panel (B) on the LCD cover. Refer to Figure 3-37. 2. Put LVDS cable (C) in the cable guides. Refer to Figure 3-38. 3. Install and secure six (6) screws (A) to the LCD panel on the LCD cover. Refer to Figure 3-37. 4. Install LCD bezel. ID - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 126
LCD Bracket Removal Prerequisite: LCD Panel Removal 1. Remove the six (6) screws (A) (Figure 3-39). A A A 0 A A A Figure 3-39. LCD Bracket 2. Remove LCD bracket from the LCD panel. LCD Bracket Installation 0 1. Put LCD bracket on the LCD panel (Figure 3-39). 2. Install and secure six (6) screws - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 127
LVDS Cable Removal 0 Prerequisite: LCD Panel Removal 1. Remove LVDS cable (A) from the adhesive on the rear of the LCD panel (Figure 3-40). A Figure 3-40. LVDS Cable 2. Remove the yellow tape (B) securing the LVDS cable to the LCD panel connector (Figure 3-41). B Figure 3-41. LVDS Cable Machine - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 128
3. Starting from the top, remove the clear mylar tape (C) and disconnect the LVDS cable from the LCD panel connector (D) (Figure 3-42). C D Figure 3-42. LVDS Cable LVDS Cable Installation 0 1. Put LVDS cable into the LCD panel connector (D) and secure clear mylar tape (C) (Figure 3-42). 2. Put - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 129
CHAPTER 4 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 130
4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone Failure 4-13 USB Failure 4-14 Other Functions Failure 4-15 Intermittent Problems 4-16 Undetermined Problems 4-16 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 131
about troubleshooting common problems associated with the notebook. General Information 0 The following procedures are a guide for troubleshooting computer problems. The step by step procedures are designed to be performed as described. NOTE: NOTE: The diagnostic tests are intended for Acer products - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 132
the computer directly into a known serviceable electrical outlet. 4. Disconnect the power and open the casing to check the thermal unit and fan airways are free of obstructions. 5. Remove all external . 7. If the Issue is still not resolved, refer to Online Support Information. 4-4 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 133
specific model procedures. 2. Make sure the computer has power by checking for one of the following: Fans start up Status LEDs illuminate If no power, refer to Power On Issues. 3. Drain stored power by removing the power cable and battery. Hold the power button for 10 seconds. Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 134
yellow exclamation marks There are no device conflicts No hardware is listed under Other Devices 7. If the Issue is still not resolved, refer to Online Support Information. 8. Run the Windows Memory Diagnostic from the operating system DVD and follow the on-screen prompts. 4-6 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 135
9. If the issue is still not resolved, refer to Online Support Information. Troubleshooting 4-7 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 136
LCD Picture Failure 0 If the LCD fails, perform the following: Figure 4-3. LCD Failure 4-8 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 137
Internal Keyboard Failure 0 If the Keyboard fails, perform the following: START Keyboard FPC well connected? Connect No it well Keyboard OK? No Replace keyboard Replace M/B Figure 4-4. Keyboard Failure Troubleshooting 4-9 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 138
Touchpad Failure 0 If the Touchpad fails, perform the following: Start OK Check M/B T/P FFC Check TouchPad Re-assemble the NG T/P FFC to M/B OK Swap/Reassemble NG the T/P board or T/P FFC Swap M/B Figure 4-5. Touchpad Failure 4-10 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 139
Speaker Failure Sound Problems 0 Perform the following, one at a time. 1. Boot the computer. 2. Navigate to Start´ Control Panel´ System If updated recently, roll back the audio driver to the previous version. 4. Remove and reinstall the audio driver. 5. Make sure that all volume controls are - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 140
by default). 7. Select Speakers and click Configure to start Speaker Setup. Follow the on-screen prompts to configure the speakers. 8. Remove any recently installed hardware or software. 9. Restore . 12. If the issue is still not resolved, refer to Online Support Information. 4-12 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 141
Failure 1. Check that the microphone is enabled. Navigate to Start´ Control Panel´ Hardware and Sound´ Sound and select the Recording tab. 2. Follow the on-screen prompts to complete the test. 7. If the Issue is still not resolved, refer to Online Support Information. Troubleshooting 4-13 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 142
USB Failure 0 If the USB fails, perform the following: Start OK Check USB/B to M/B cable OK Check USB/B NG Re-assemble the USB/B cable to M/B OK NG Swap USB/B and USB cable Swap M/B Figure 4-8. USB Failure 4-14 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 143
Other Functions Failure 0 1. Check if drives are functioning correctly. 2. Check if external modules are functioning correctly. 3. Change mainboard to check if current one is defective. Troubleshooting 4-15 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 144
disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive DIMM CD-ROM/Diskette drive Module PC Cards 4. Apply power to the computer. 5. Determine if the problem has changed. 6. If the problem does not recur, connect the removed - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 145
PostCode.h) Phase PostCod e Description SEC_SYSTEM_POWER_ON SEC 01 CPU power on and switch to Protected mode SEC_BEFORE_MICROCODE_PATCH SEC 02 speed SEC_SETUP_CAR_OK SEC 07 Cache as RAM test SEC_FORCE_MAX_RATIO* SEC 08 Tune CPU frequency ratio to maximum level Troubleshooting 4-17 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 146
09 Setup BIOS ROM Memory PEI_MEMORY_CALLBACK PEI 83 Set cache for physical memory PEI_ENTER_RECOVERY_MODE PEI 84 Recovery device Initialization PEI_RECOVERY_MEDIA_FOUND PEI 85 Found Recovery image PEI_RECOVERY_MEDIA_NOT_FOU PEI 86 ND Recovery image not found 4-18 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 147
Recovery Image completed PEI_RECOVERY_START_FLASH PEI 88 Start Flash BIOS with Recovery image PEI_ENTER_DXEIPL PEI 89 Loading BIOS image to RAM Reset service Driver Initialization DXE_SMART_TIMER_INIT DXE 51 8259 Initialization DXE_PCRTC_INIT DXE 52 RTC Initialization Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 148
BDS_PCI_ENUMERATION_END BDS 15 PCI enumeration complete BDS_CONNECT_CONSOLE_IN BDS 16 Keyboard Controller, Keyboard and Mouse initialization BDS_CONNECT_CONSOLE_OUT BDS 17 Video device initialization BDS_CONNECT_STD_ERR BDS 18 Error report device initialization 4-20 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 149
controller initialization BDS_CONNECT_USB_BUS BDS 1A USB BUS driver initialization BDS_CONNECT_USB_DEVICE BDS 1B USB device driver BDS 2D Save S3 resume required data in RAM BDS_READY_TO_BOOT_EVENT BDS_GO_LEGACY_BOOT BDS 2E BDS 2F Last Chipset initial OS. Troubleshooting 4-21 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 150
Ready to Boot Legacy OS. BDS_RECOVERY_START_FLASH BDS 35 Fast Recovery Start Flash. * 3rd party relate functions - Platform memory S3_SWITCH_STACK PEI C2 Start to use memory during S3 resume S3_MEMORY_CALLBACK PEI C3 Set cache for physical memory to enter S3 4-22 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 151
SMM 0xA0 Identify Flash device in SMM SMM_SMM_PLATFORM_INIT SMM 0xA2 SMM service initial SMM_ACPI_ENABLE_START SMM 0xA6 OS call ACPI enable function SMM_ACPI_ENABLE_END SMM speed device Used by Insyde debugger 0xD5 DDT Cable Transmission Error (Get descriptor fail) Troubleshooting 4-23 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 152
Table 4-10. InsydeH2ODDT Debugger POST Code Table Functionality Name (Include\ PostCode.h) PostC ode Description Used by Insyde debugger 0xD6 DDT Cable Transmission Error (Set Debug mode fail) Used by Insyde debugger 0xD7 DDT Cable Transmission Error (Set address fail) 4-24 Troubleshooting - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 153
CHAPTER 5 Jumper and Connector Locations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 154
Mainboard Jumper and Connector Locations 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing Password Check 5-5 Clear CMOS Jumper 5-6 BIOS Recovery by Crisis Disk 5-7 5-2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 155
2 5 6 7 Figure 5-1. Mainboard Top Table 5-1. Mainboard Top Item Description 1 Powerboard Connector 2 Speaker Connector 3 Keyboard Connector 4 Touchpad Connector Item 5 6 7 Description Internal microphone Card Reader Connector Bluetooth Connector Jumper and Connector Locations 5-3 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 156
8 12 13 14 15 Figure 5-2. Mainboard Bottom Table 5-2. Mainboard Bottom Item Description 1 Battery Connector 2 DC-IN Connector 3 LVDS Connector 4 Fan Connector 5 VGA Connector 6 RJ- Microphone Connector Headphone Connector Bluetooth Connector 5-4 Jumper and Connector Locations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 157
BIOS recovery for the Aspire 4250. The machine provides one Hardware Open Gap on main board for clearing password check, and one hot key for enabling BIOS Recovery steps: 1. Remove power from the system. 2. Remove battery. 3. Remove lower cover. 4. Disconnect the RTC battery 5. Locate the CMOS - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 158
Clear CMOS Jumper 0 1 1 2 Figure 5-3. CMOS Jumper Table 5-3. CMOS Jumper Item 1 Clear CMOS Jumper Description 5-6 Jumper and Connector Locations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 159
once the previous BIOS flashing process failed. BIOS Recovery Hot Key 0 The system provides a function hot key, , for enable BIOS Recovery process when system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. If - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 160
5-8 Jumper and Connector Locations - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 161
CHAPTER 6 FRU (Field Replaceable Unit) List - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 162
Exploded Diagrams 6-4 FRU List 6-7 Screw List 6-20 6-2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 163
available on the regional web or channel. Part number changes will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, the Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. Users MUST use the local FRU list - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 164
8 9 Figure 6-1. Upper & Lower Cover Exploded Diagram Table 6-1. Upper & Lower Cover Exploded Diagram No. Description 1 LCD Assembly 2 Keyboard Module 3 Top Assembly 4 MainBoard Assembly 5 ODD Assembly Acer Part No. 6M.NE407.003 KB.I140A.202 60.NE307.002 MB.RK306.001 KU.0080D.057 6-4 FRU - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 165
Table 6-1. Upper & Lower Cover Exploded Diagram No. Description 6 USB Board 7 HDD Assembly 8 Base Assembly 9 Battery Module 10 Thermal Module Assembly 11 System Memroy 12 Wireless Card 13 Power Switch Board Acer Part No. 55.NE307.002 KH.50007.010 60.NE307.006 BT.00607.125 60.NE407.001 KN. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 166
Assembly Exploded Diagram Table 6-2. LCD Assembly Exploded Diagram No. Description 1 LCD Bezel 2 LCD Bracket (Left) 3 LCD LED Panel 4 LVDS Cable 5 Camera Module 6 LCD Bracket (Right) 7 LCD Cover Acer Part No. 60.R6Z07.010 33.R6Z07.004 6M.NE407.003 50.NE307.003 AM.21400.078 33.R6Z07.005 60 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 167
List Table 6-3. FRU List Category ADAPTER BATTERY BOARD 0 Description Acer Part No. Adapter DELTA 65W 19V 1.7x5. LAN Atheros HB95 1x1 BGN (HM) WN6601AH NI.23600.070 Foxconn Wirelss LAN Broadcom 4313 1x1 BGN NI.23600.076 (HM) T77H194.00 liteon WLAN 802.11 B/G/N WN6606LH-AA NI.23600.088 POWER - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 168
Description Acer Part No. 55.NE307.002 CABLE POWER CORD AF-S (INDIA) POWER CORD(EU) 1.8M 3PBLACK FM010008-010 POWER CORD PRC 3P Y536B30001218008 POWER CORD US 3PIN ROHS PWR CORD(ISR)1.8M 3PBLK FZ0I0008-038 PWR CORD V50CB3T3012180QD TW-110V,3P POWER CORD(SWI)1.8M 3PBLACK FZ010008-011 POWER CORD(IT - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 169
W/ TP, TP FFC, W/O SPK, SPK SPONGE - CHARCOAL GRAY (acer) Acer Part No. 60.NE307.003 60.NE307.004 UPPER CASE W/ TP, TP FFC, W/O SPK, SPK SPONGE - BLUE (acer) LOWER CASE W/O HDMI 60.NE307.005 60.NE307.006 DVD RW DRIVE HINGE SUPPORT - L DUMMY CARD (acer) 33.NE307.001 42.PSR07.002 DVD/RW SUPER - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 170
12.7mm Tray DL 8X AD-7585H LF W/O bezel SATA (HF + Windows 7) Acer Part No. KU.0080E.027 ODD BEZEL - SUPER MULTI ODD BRACKET 60.R6Z07.008 33.PUM07.001 HDD/HARD DISK DRIVE HDD SEAGATE 2.5" 5400rpm 160GB KH.16001.045 ST9160314AS,9HH13C-189, Seagate(new pcb) SATA 8MB LF F/W:0001SDM1 HDD HGST - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 171
.01A01 HDD TOSHIBA 2.5" 5400rpm 640GB MK6465GSX,Capricorn BS,320G/P SATA 8MB LF F/W:GJ002J HDD TOSHIBA 2.5" 5400rpm 750GB MK7559GSX, 375G/P, Capricorn BS, 4K drive SATA 8MB LF+HF F/W:GNDD3J Acer Part No. KH.32007.013 KH.32004.004 KH.32007.008 KH.32008.022 KH.32001.019 KH.50008.021 KH.50004.002 KH - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 172
, 4K drive SATA 8MB LF F/W:01.01A01 HDD BRACKET Acer Part No. KH.75001.011 KH.75007.004 KH.75008.009 33.RHS07.005 KEYBOARD 6-12 Keyboard ACER AC4T_A10B AC4T 86KS Black Arabic Keyboard ACER AC4T_A10B AC4T 87KS Black Belgium Keyboard ACER AC4T_A10B AC4T 87KS Black Brazilian Portuguese Keyboard ACER - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 173
Turkish Texture Keyboard ACER AC4T_A10B AC4T 87KS Black UK Texture Keyboard ACER AC4T_A10B AC4T 86KS Black US International Texture Keyboard ACER AC4T_A10B AC4T 86KS Black US International w/ Hebrew Texture Keyboard ACER AC4T_A10B AC4T 87KS Black US w/ Canadian French Texture Acer Part No. KB.I140A - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 174
Description LCD MODULE 14" LED GLARE W/CCD, ANTENNA*2 - BROWN (acer) Acer Part No. 6M.NE307.003 LED LCD LPL 14" WXGA Glare LP140WH1-TLA2 8ms 500:1 LED LCD AUO 14" WXGA Glare B140XW01 V8 0A LF 220nit 8ms 500:1 (power saving) LED LCD CMI 14" WXGA Glare BT140GW01 V6 LF 220nit 8ms 600:1 LED LCD SAMSUNG - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 175
Suyin 0.3M SY_7675_AL LCD MODULE 14" LED GLARE W/CCD, ANTENNA*2 - RED (acer) Acer Part No. AM.21400.078 AM.21400.109 6M.NE307.004 LED LCD LPL 14 8ms 500:1 LED LCD AUO 14" WXGA Glare B140XW01 V8 0A LF 220nit 8ms 500:1 (power saving) LED LCD CMI 14" WXGA Glare BT140GW01 V6 LF 220nit 8ms 600:1 LED LCD - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 176
GLARE W/CCD, ANTENNA*2 - BLUE (acer) Acer Part No. 6M.NE307.005 LED LCD LPL 14" WXGA Glare LP140WH1-TLA2 LF 220nit 8ms 500:1 LED LCD SAMSUNG 14" WXGA Glare LTN140AT01-G03 LF 220nit 8ms 500:1 LED LCD AUO 14" WXGA Glare B140XW01 V8 0A LF 220nit 8ms 500:1 (power saving) LED LCD CMI 14 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 177
GLARE W/CCD, ANTENNA*2 - GRAY (acer) Acer Part No. 6M.NE307.006 LED LCD LPL 14" WXGA Glare LP140WH1-TLA2 LF 220nit 8ms 500:1 LED LCD SAMSUNG 14" WXGA Glare LTN140AT01-G03 LF 220nit 8ms 500:1 LED LCD AUO 14" WXGA Glare B140XW01 V8 0A LF 220nit 8ms 500:1 (power saving) LED LCD CMI 14 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 178
Category MAINBOARD Description MAIN BOARD UMA AMD C50 1G W/O HDMI MAIN BOARD UMA AMD E350 1.6G W/O HDMI Acer Part No. MB.RK206.001 MB.RK206.003 MEMORY HEATSINK SPEAKER 6-18 Memory UNIFOSA SO-DIMM DDRIII 1333 1GB KN.1GB0H.017 GU672203EP0200 LF 128*8 0.065um Memory ELPIDA SO-DIMM DDRIII 1333 1GB - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 179
Table 6-3. FRU List Category Description SPEAKER SET (W/ R/L) SPEAKER SPONGE UP MISCELLANEOUS CCD SUPPORT MYLAR LCD SCREW MYLAR TOP SHIELD MYLAR BASE FOOT RUBBER - REAR BASE FOOT RUBBER - FRONT LCD RUBBER - UP LCD RUBBER - MIDDLE Acer Part No. 23.NE307.001 47.NE307.001 47.NE307.002 47.R6Z07.003 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 180
M2.5*4.0-I(NI)(NYLOK) SCREW M2.0*5-I(NI)(NYLOK) SCREW M2.0*3.95-I(BNI)(NYLOK) SCREW M2.5*6.5-I(BZN(NYLOK-RED) SCREW M2.5*4.0-I(BKAG)(NYLOK)IRON SCREW M2.5*5-I(ZN/B) 0 Acer Part No. 86.W4107.002 86.ARE07.002 86.N1407.007 86.R6Z07.001 86.T23V7.010 86.R6Z07.002 86.ARE07.001 86.PSR07.001 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 181
CHAPTER 7 Model Definition and Configuration - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 182
Acer Aspire 4250 7-1 1-2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 183
Model Definition and Configuration Acer Aspire 4250 0 Table 1-1. RO, Description Model RO Country AS4250-E351G AAP 50Mikk Indonesia AS4250-E352G AAP 32Mikk Vietnam AS4250-E351G AAP 32Mikk Vietnam AS4250-E352G PA 50Mikk Chile AS4250-E352G TWN 50Mikk GCTWN Acer Part No LX.RK208.001 LX. - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 184
001 AS4250-E352G GCTWN 50Mikk LX.RK202.001 VGA Chip UMA UMA UMA UMA UMA VRAM 1 N N N N N Table 1-4. Memory 1, Memory 2, HDD 1 Model Country Acer Part No Memory 1 Memory 2 AS4250-E351G Indonesia 50Mikk LX.RK208.001 SO1GBIII10 N AS4250-E352G Vietnam 32Mikk LX.RK20C.002 SO2GBIII10 N AS4250 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 185
-E352G GCTWN 50Mikk LX.RK202.001 3rd WiFi 1x1 BGN Bluetooth NB Chipset N AMD A50M FCH N AMD A50M FCH N AMD A50M FCH N AMD A50M FCH N AMD A50M FCH Table 1-7. Battery, Adapter, Camera Model Country Acer Part No AS4250-E351G Indonesia 50Mikk LX.RK208.001 AS4250-E352G Vietnam - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 186
7-4 Model Definition and Configuration - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 187
CHAPTER 8 Test Compatible Components - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 188
Microsoft® Windows® 7 Environment Test 8-4 8-2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 189
are tested under Windows® 7 environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Regarding configuration, combination and test procedures, please refer to the Aspire 4250. Compatibility Test Report released by the Acer Mobile System - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 190
Microsoft® Windows® 7 Environment Test 0 Table 1-1. Test Compatible Components Vendor Type Description Acer Part No. Accessory 10001012 COMPAL 14 Special Outer Accessory 14" Special Outer Carton Carton LZ.23800.069 Adapter 10001081 DELTA 40W Adapter DELTA 40W 19V 1.7x5.5x11 Black ADP-40 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 191
Compatible Components Vendor Type Description Acer Part No. Bluetooth 10001018 HON HAI BT 3.0 Foxconn Bluetooth BRM 2070 (T77H114.01) BT 3.0 BH.21100.010 10001018 HON HAI BT 3.0 Foxconn Bluetooth ATH BU12 BH.21100.011 Battery 60001921 SANYO 6CELL2.2 Battery SANYO AS10D Li-Ion 3S2P - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 192
Table 1-1. Test Compatible Components Vendor Type Description Acer Part No. 60001953 TOSHIBA ELEC N250GB5.4KS_4K HDD TOSHIBA 2.5" 5400rpm 250GB MK2559GSXP,Capricorn 3BS, 4K drive, 375G/P SATA 8MB LF+HF F/W:GN003J 4K drive KH.25004.006 60002005 HGST SG N250GB5.4KS HDD HGST 2.5" 5400rpm - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 193
drive SATA 8MB LF F/W:01.01A01 KH.75008.009 Keyboard 60004864 DARFON AC4T_A10B Keyboard ACER AC4T_A10B AC4T KB.I140A.202 Internal 14 Standard Black Y2010 Acer Legend Texture LAN 60002041 QIMONDA SO1GBIII10 Memory NONE REG-ECC DDRIII 1066 1GB phantom p/n LF KN.1GB00.003 Test - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 194
055um KN.4GB03.005 60004668 ELPIDA SO4GBIII13 Memory ELPIDA SO-DIMM DDRIII 1333 KN.4GB09.002 4GB EBJ41UF8BCS0-DJ-F LF 256*8 46nm NB Chipset 60002168 AMD AMD A50M FCH AMD NB Chipset A50M KI.22600.055 ODD 60001922 TOSHIBA NSM8XS DIGI ODD TOSHIBA Super-Multi DRIVE 12.7mm Tray DL 8X TS-L633F - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 195
Test Compatible Components Vendor Type Description Acer Part No. 60001535 PANASONIC NSM8XS ODD PANASONIC Super-Multi DRIVE 12.7mm Tray DL 8X UJ8A0 LF W/O bezel SATA (HF + Windows 7) Foxconn Yentai Facotry KU.00807.075 610105 HLDS NSM8XS ODD HLDS Super-Multi DRIVE 12.7mm Tray DL 8X GT32N - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 196
Table 1-1. Test Compatible Components Vendor Type Description Acer Part No. 10001023 LITE-ON 3rd WiFi 1x1 BGN Liteon Wireless LAN Reltek RTL8188CE NI.23600.088 1x1 BGN 10001018 HON HAI 3rd WiFi 1x1 BGN Foxconn Wirelss LAN Broadcom 4313 NI.23600.090 IPA 1x1 BGN 8-10 Test Compatible - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 197
CHAPTER 9 Online Support Information - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 198
Introduction 9-3 9-2 - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 199
from Acer CSD Taiwan. Acer's Website offers convenient and valuable support resources. In the Technical Information section users can download information on all of Acer's Notebook, Desktop and Server models including: Service guides for all models Bios updates Software utilities Spare parts lists - Acer Aspire 4250 | Acer Aspire 4250 Notebook Service Manual - Page 200
9-4 Online Support Information