Acer Aspire S7-391 Acer S7-391 Notebook Service Guide
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- Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 1
Aspire S7-391 SERVICEGUIDE - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 2
updates made to this Aspire S7-391 Service Guide. Date 09-14-2012 09-19-2012 09-20-2012 Version FIRST DRAFT Rev 01 Rev 02 Chapter Updates Service guide files and updates are available on the ACER , chemical, manual or otherwise, without the prior written permission of Acer Incorporated. HDMI - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 3
Conventions The following conventions are used in this manual: ! WARNING: Indicates a potential for personal injury. ! CAUTION path names, and program/process names are shown in italics. Example: the DRS5 User's Guide /usr/local/bin/fd the /TPH15spool_M program Computer output (text that represents - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 4
and enhance product competitiveness, your regional office may have decided to extend the functionality of a machine (such as add-on cards, modems, or extra memory capabilities). These localized features are not covered in this generic service guide. In such cases, contact your regional office or the - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 5
Communication 1-5 Privacy Control 1-5 Power Adapter and Battery 1-5 Keyboard and Pointing Device 1-6 I/O Ports 1-6 Software and Tools 1-7 Warranty 1-8 Dimensions and Weight 1-8 Environment 1-8 Notebook Tour 1-9 Open Front View 1-9 Left View 1-10 Right View 1-11 Base View 1-12 Touchpad - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 6
Instructions 3-4 Disassembly Process 3-5 Removing the Lower Case 3-7 Removing the Battery Pack 3-8 Removing the Left and Right Speakers 3-10 Removing the RTC Battery 3-12 Removing the Hold Sensor Board 3-13 Removing the M-SATA Board 3-15 Removing the Small Fan 3-17 Removing the Big Fan - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 7
3-65 Reinstalling the Battery Pack 3-67 Reinstalling the Lower Case 3-69 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Failure 4-7 Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Microphone Failure - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 8
5-5 Clearing the BIOS Passwords 5-5 BIOS Recovery 5-6 CHAPTER 6 FRU List Aspire S7-391 Exploded Diagrams 6-4 Main Assembly 6-4 FRU List 6-6 CHAPTER 7 Test Compatible Components Microsoft Windows 7 Environment Test 7-3 CHAPTER 8 Online Support Information Online Support Information 8-3 viii - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 9
CHAPTER 1 Hardware Specifications - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 10
Communication 1-5 Privacy Control 1-5 Power Adapter and Battery 1-5 Keyboard and Pointing Device 1-6 I/O Ports 1-6 Software and Tools 1-7 Warranty 1-8 Dimensions and Weight 1-8 Environment 1-8 Notebook Tour 1-9 Open Front View 1-9 Left View 1-10 Right View 1-11 Base View 1-12 Touchpad - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 11
Windows® 8 SL 64-bit Genuine Windows® 8 ML 64-bit Genuine Windows® 8 CN 64-bit Genuine Windows® 8 Professional 64-bit Platform 0 Chief River ULV platform Supports 1920 x 1080, Acer ComfyView LED-backlit TFT Touch Panel LCD Integrated multi-touch screen, supports 10 finger touch 1920× - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 12
0 Graphics controller: Intel® HD Graphics 4000 with 128 MB of dedicated system memory, supporting Microsoft® DirectX® 11, OpenG® 3.1 and OpenCL® v1.1 Dual independent display support Internal resolutions and refresh rate supported: 1024×768, 60 Hz 1360×768, 60 Hz 1152×864, 60 Hz - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 13
™ Supports Acer SignalUp™ wireless technology WPAN: Bluetooth® 4.0+HS Privacy Control 0 BIOS supervisor, user, and HDD passwords Strap slot Power Adapter and Battery 0 19 V 3-pin AC adapter; 65 W 4 cell 4680 mAh 2S2P lithium polymer main battery pack Battery life: 6 hours - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 14
0 68-/69-/73-key Acer S7 keyboard with international language support EL Backlight Inverted "T" cursor keys Hotkeys for volume and brightness level, keyboard backlight, wireless and sleep functions, and display and touchpad toggle Windows® and Application keys Multilanguage - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 15
Backup Manager AcerCloud Acer Instant Update Utility Acer Power Management Acer Recovery Management Acer Ring with Device Control Lite Acer USB Charge Manager Bluestacks BookLive (Japan only) MyET Norton™ Online Backup Spotify Windows Live™ Essentials Security - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 16
Acer Accessory Store Acer Explorer (Metro App) Acer Identity Card Acer Updater eBay® shortcut (Australia, Austria, Canada, France, Germany, Italy, India (2.78 lbs) with main battery 1.57 kg (3.46 lbs) with main battery and optional second battery Environment 0 Temperature: - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 17
communication. Also called liquid crystal display (LCD), displays computer output, supports multi-touch input. Indicates the computer's battery status. Blue: The computer is in AC mode. Blinking amber: The battery is charging. Indicates the computer's power status. Blue: The computer is turned - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 18
Table 1-2. Left View No. Icon Item 1 DC-in jack 2 Micro HDMI port 3 Headphone/Mic in combo jack 4 Power button Description Connects to the AC adapter. Supports high definition digital video connections. Connects to combo Headphone/Mic in devices Turns the computer on and off - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 19
Right View 0 Figure 1-3. Right View Table 1-3. Right View No. 1 2 - 3 4 Icon Item Description Multi-in-1 card reader Supports MMC, MMCplus, and SD cards. Note: Only one card can operate at any given time. USB 3.0 port Connects to USB devices (e.g., USB mouse, USB camera). - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 20
Insert a paperclip into the hole and press for four seconds to reset the computer (simulates removing and reinstalling the battery) Deliver stereo audio output. 3 Integrated Internal microphone for sound recording and video microphone communication. 1-12 Hardware Specifications and - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 21
Touchpad Basics 0 Figure 1-5. Touchpad Move finger across the multi-touchpad (1) to move the cursor. Tapping on the multi-touchpad is the same as clicking the left button of a mouse. Press the lower left (2) and lower right (3) part of the multi-touchpad to perform selection and execution - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 22
Keyboard 0 The keyboard contains an inverted "T" cursor key, Windows® key, Application key, function lock keys and hotkeys controlling various computer features. Figure 1-6. Keyboard Lock Key 0 The keyboard has one lock key which the user can toggle on and off. Figure 1-7. Keyboard Lock Key - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 23
Cycle through programs on the taskbar +Break: Display the System Properties dialog box Functions supported by Windows XP: +Break: Display the System Properties dialog box +U: Open the Ease of Access Center window Application key This key has the same effect as clicking the right mouse button - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 24
3G and/or Bluetooth functions On and Off using a pop-up window. Puts the computer in Sleep mode. Fn+E Display off Turns off toggle Touchpad toggle Speaker toggle Switches the display output between the display screen, external monitor (if connected) or both. Turns the touchpad On or Off. Turns - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 25
System Block Diagram 0 Figure 1-10. System Block Diagram Hardware Specifications and Configurations 1-17 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 26
(equipped with 4-cell 1.26 kg battery pack) 2.78 lbs Weight (equipped with 4-cell battery pack + 4-cell second battery) 1.57 kg 3.46 lbs Input to 80% Maximum altitude (unpressurized) Operating -15 to 3,048 m -50 to 10,000 ft Nonoperating -15 to 12,192 m -50 to 40,000 ft Shock Operating - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 27
execution cores· L1 cache size: Two 32 KB instruction caches and two 32 KB data caches L2 cache size: Two 256 KB L3 cache size: 3 to 8 MB Mobile Intel® HM77 Express Chipset Processor Specifications Item i3-3217U i5-3317U i5-3427U i7-3517U i7-3667U CPU Speed 1.8 GHz 1.7 GHz 1.8 GHz 1.9 GHz - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 28
Fan Speed (RPM) 70 7680/12288 77 8777/13653 85 9637/16384 Throttling 50%: On= 100°C; OFF= 94°C OS shuts down at 103°C; Hardware shuts down at 77°C SPL Spec memory, supporting Microsoft® DirectX® 11, OpenG® 3.1 and OpenCL® v1.1 System BIOS Item BIOS vendor BIOS version BIOS ROM type BIOS ROM - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 29
and 2.1 support Keyboard Item Type Total number of keys Windows logo key Internal and external USB keyboard work simultaneously? Features Acer S7 keyboard 68-/69-/73-key Yes Yes Specification Inverted "T" cursor keys Hotkeys for volume and brightness level, media playback, wireless and sleep - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 30
Read Speed Max. Read Speed Power Requirement Card Reader Item Controller Cards supported Manufacturing technology Specification 550MB / s 510MB / s 550MB / s 520MB 500:1 8 ms 25 ms 3 W 1-channel LVDS White LED (WLED) 310 g 306.8 × 189.2 × 3.6 mm 1-22 Hardware Specifications and Configurations - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 31
Audio Codec Controller Features Item Specification Realtek ALC271X-VB6 98 dB Signal-to-Noise Ratio (A-weighting) for DAC output 90 dB Signal-to-Noise Ratio (A-weighting) for ADC input Internal Digital Power support: 3.3V digital core power; 1.5-3.3V digital IO power for HDA link; 3.0-5.5V - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 32
Resolution Specification Chicony HD_SS CH_SONY119_SP Chicony HD_S CH_SONY119_SP Primax PM_SONY119_SP 1.3 MP HD Wireless LAN + Bluetooth Module Item Frequency band Protocols and data rates supported Interface Form factor Antennae Specification Liteon 3rd WiFi 2x2 AGN+ BT4.0 Atheros - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 33
. AC adapter connected: Solid blue: The battery charge is at full capacity. Solid amber: Battery charging. Blinking amber: Battery is in abnormal stop charge or battery is in low power state. AC adapter disconnected: Blinking amber: Battery charge is in critically low state Indicator off - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 34
it can be worked on without damaging the hardware or endangering service personnel. Except for the real-time clock, power consumption is Off - OS initiated shutdown. The computer consumes a minimal amount of power. No user mode or system mode code is run. It is not safe to disassemble the machine - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 35
C216 Chipset Family PCI Express Root Port 1 1E10 Intel® 7 Series/C216 Chipset Family PCI Express Root Port 4 1E16 Qualcomm Atheros AR5BMD222 Wireless Network Adapter High Definition Audio Controller Intel® 7 Series/C216 Chipset Family USB Enhanced Host Controller - 1E26 Intel® HD Graphics 4000 Intel - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 36
-Compliant Embedded Controller Motherboard resources Radio Controller Motherboard resources Microsoft ACPI-Compliant Embedded Controller Motherboard resources Motherboard resources System CMOS/real time clock Motherboard resources Direct Memory Access Controller Motherboard resources Direct Memory - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 37
Direct Memory Access Controller Numeric data processor Motherboard resources Motherboard resources Motherboard resources Programmable Interrupt Controller Motherboard resources Motherboard resources PCI Express Root Complex Motherboard resources Motherboard resources Intel® HD Graphics 4000 Intel - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 38
1-30 Hardware Specifications and Configurations - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 39
CHAPTER 2 System Utilities - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 40
Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4 BIOS Flash Utilities 2-12 DOS Flash Utility 2-13 WinFlash Utility 2-13 Remove HDD/BIOS Password Utilities 2-14 Removing the HDD Password 2-14 Removing the BIOS Passwords 2-15 Using DMI Tools 2-16 LAN EEPROM Utility 2-16 2-2 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 41
program built into a computer's BIOS (Basic Input/Output System). The utility is pre-configured and optimized so most users do not need to run it. If configuration problems occur, the setup utility may need to be run. Refer to Chapter 4, Troubleshooting when a problem arises. To enter this utility - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 42
Name Model name of the installed secondary hard drive. HDD1 Serial Number Serial number of the installed secondary hard drive. System BIOS Version Current system BIOS version. GOP Version Current GOP version of the system. Serial Number Serial number of the computer. Asset Tag Number Asset - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 43
Table 2-1. Hardware Information (Continued) Parameter Description Product Name Model name of the computer. Manufacturer Name Computer manufacturer. UUID The universally unique identifier tag assigned to the computer. System Utilities 2-5 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 44
Main Table 2-2. BIOS Main Parameter Description System Time System time expressed in 24-hour format. System Date System date. Total Memory Video Memory Network Boot F12 Boot Menu SATA Mode xHCI Support Function Key Behavior Total system memory available. System memory allocated for graphics - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 45
this tab to safeguard and protect the computer from unauthorized use. Figure 2-3. BIOS Security Table 2-3. BIOS Security Parameter Supervisor Password Is User Password Is HDD0 Password Is Set Supervisor Password Set User Password Set HDD0 Password Password on Boot Secure Boot Mode Description - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 46
Table 2-3. BIOS Security (Continued) Parameter Description Erase all Secure Boot Setting Option to : When prompted to enter the password, three attempts are allowed before system halts. Resetting the BIOS password may require the user to return the computer to its dealer. 2-8 System Utilities - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 47
Setting a Password 0 Follow the succeeding instructions to set the user or supervisor passwords. 1. Press to highlight 4. Press Enter. NOTE: NOTE: Users can choose to enable the Password on Boot parameter. 5. Press F10 to save changes and exit from the BIOS Setup Utility. Removing a Password 0 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 48
Confirm New Password field. Setup Notice Changes have been saved. [Continue] Figure 2-7. Setup Notice 5. Press Enter. Computer sets Supervisor Password parameter to Set. NOTE: NOTE: Users can choose to enable the Password on Boot parameter. 6. Press F10 to save changes and exit from the - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 49
in the following order: 1. Windows Boot Manager 2. Primary Hard Disk Drive 3. Network boot -IPV4 4. External USB hard drive 5. External USB optical drive 6. Network boot to specify the boot mode of the computer. UEFI or Legacy BIOS Option to enable or disable secure boot check. Enabled or Disabled - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 50
save or discard changes and close the BIOS Setup Utility. Figure 2-9. BIOS Exit Table 2-9. Exit Parameters Parameter Description Exit Saving Changes Close the BIOS Setup Utility and save the setup changes. Exit Discarding Changes Close the BIOS Setup Utility without saving the setup changes - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 51
or options Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery pack does not contain power to finish loading BIOS - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 52
explains how to remove the HDD and BIOS passwords. Removing the HDD Password 0 NOTE: NOTE: If the incorrect HDD password is entered three times in succession, an error is generated. (Figure 2-10) Password Error Status HDD password error code Figure 2-10. Password Error Status To reset the HDD - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 53
4. Select option 2 (upper case ASCII code) and press Enter. 5. Write down the generated master password. 6. Reboot the computer. 7. In the HDD password prompt, type the master password generated in step 5, then press Enter. System Utilities 2-15 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 54
Removing the BIOS Passwords 0 To clear a lost BIOS password (user or supervisor password), you need to short After the BIOS POST, remove the tool from the hardware gap. 10. Perform the "Reinstalling the M-SATA Board" procedure described on page 3-60. 11. Perform the "Reinstalling the Battery Pack" - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 55
generates a standard framework for managing and tracking system components. The DMI utility supports DOS, Window 7 and Windows 8 with WMI interface installation. Using DMI Utility in DOS Mode 0 entry "USB HDD" to the first position. Figure 2-14. BIOS Boot Priority Order System Utilities 2-17 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 56
5. Set Boot Mode to Legacy. Figure 2-15. BIOS Boot Mode 6. Connect the USB HDD and reboot the computer. 7. At the command prompt, navigate to the DMI folder. 8. Execute the < DMI.EXE> file. NOTE: - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 57
0 Perform the following steps to use the DMI Utility in 32- or 64-bit Windows OS mode: 1. Navigate to the correct DMI folder (DMI\Windows\x86 for 32-bit Windows OS or DMI\WIndows\x64 for 64-bit Windows OS). 2. Using your mouse, right click the wDMI32.exe or wDMI64.exe file and run as - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 58
2-20 System Utilities - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 59
CHAPTER 3 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 60
Instructions 3-4 Disassembly Process 3-5 Removing the Lower Case 3-7 Removing the Battery Pack 3-8 Removing the Left and Right Speakers 3-10 Removing the RTC Battery 3-12 Removing the Hold Sensor Board 3-13 Removing the M-SATA Board 3-15 Removing the Small Fan 3-17 Removing the Big Fan - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 61
Machine Disassembly and Replacement 0 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Cable paths and positioning may not represent the actual model. During the removal and installation of the components, ensure all - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 62
Pre-disassembly Instructions 0 Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 63
battery pack, then the WLAN module, in that order. LOWER CASE BATTERY PACK SPEAKER MODULE RTC BATTERY HOLD SENSOR BOARD M-SATA BOARD SMALL FAN BIG FAN Fan Disassembly Big Fan Disassembly Screw M2 x L3.5 M2 x L5 M2 x L2 M2 x L2 M2 x L2 M2 x L3 M2 x L3 M2 x L3 Quantity 8 3 1 4 1 1 2 2 Acer - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 64
Disassembly Upper Case Disassembly WLAN Antenna Holder Disassembly Keyboard Disassembly Screw M1.2 x L1 M2 x L3 Thermal Screw M2 x L4 M2 x L3 M1.2 x L1 Quantity 5 6 3 4 2 53 Acer Part Number 86.9A56R.1R0 86.9A562.3R0 N/A 86.9AR62.4R0 86.9A562.3R0 86.9A56R.1R0 3-6 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 65
Removing the Lower Case 0 1. Remove the eleven screws securing the lower case to the upper case assembly. Figure 3-3. Lower Case Screws Table 3-3. Screws Step Lower Case Disassembly Screw M2 x L3.5 M2 x L5 Quantity 8 3 Screw Type 2. Gently lift the lower case from the upper case assembly. - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 66
Case" procedure described on page 3-7. 2. Remove the screw securing the battery pack to the upper case. Figure 3-5. Battery Pack Screw Table 3-5. Screw Step Battery Pack Disassembly Screw M2 x L2 Quantity 1 Screw Type 3. Lift the battery pack off its socket in the upper case assembly, then - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 67
pack cable from the mainboard. Figure 3-7. Battery Pack Cable 5. Detach the battery pack from the upper case assembly. Figure 3-8. Battery Pack NOTE: NOTE: The battery pack has been highlighted with the yellow border in Figure 3-8. Remove the battery and follow local regulations for disposal - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 68
Removing the Left and Right Speakers 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Disconnect the speaker's cable from the mainboard. Figure 3-9. Speaker Cable 4. Release the speaker cable - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 69
5. Remove the four screws securing the left and right speakers to the upper case assembly. Figure 3-11. Left and Right Speaker Screws Table 3-11. Screws Step Speaker Module Disassembly Screw M2 x L2 Quantity 4 Screw Type 6. Detach the left and right speakers from the upper case assembly. - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 70
the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Disconnect the RTC battery cable from the mainboard. Figure 3-13. RTC Battery Cable 4. Detach the RTC battery from the upper case assembly. Figure 3-14. RTC - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 71
Removing the Hold Sensor Board 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Release the connector latch (1) from the mainboard, then disconnect the hold sensor cable (2). Figure 3-15. Hold - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 72
5. Detach the hold sensor board from the upper case assembly. Figure 3-17. Hold Sensor Board NOTE: NOTE: A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-17. Follow the local regulations for disposing this type of circuit board. 6. Release the connector latch - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 73
Removing the M-SATA Board 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Release the camera and touch screen cable from the adhesive tape securing it. Figure 3-19. Camera and Touch Screen - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 74
5. Remove the screw securing the M-SATA board to the upper case assembly. Figure 3-21. M-SATA Board Screw Table 3-21. Screw Step M-SATA Board Disassembly Screw M2 x L3 Quantity 1 Screw Type 6. Detach the M-SATA board from the upper case assembly. Figure 3-22. M-SATA Board NOTE: NOTE: A - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 75
2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Perform the "Removing the M-SATA Board" procedure described on page 3-15. 4. Release the connector latch (1) from the mainboard, then disconnect the small fan cable (2). Figure 3-23. Small Fan Cable 5. Remove the two - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 76
6. Detach the small fan from the upper case assembly. Figure 3-25. Small Fan 3-18 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 77
Removing the Big Fan 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Release the LCD cable from the adhesive tape securing it. Figure 3-26. LCD Cable Adhesive Tape 4. Disconnect the LCD cable - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 78
connector latch (1) from the mainboard, then disconnect the big fan cable (2). Figure 3-28. Big Fan Cable 6. Remove the two screws securing the big fan to the upper case assembly. Figure 3-29. Big Fan Screws Table 3-29. Screws Step Big Fan Disassembly Screw M2 x L3 Quantity 2 Screw Type 3-20 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 79
7. Detach the big fan from the upper case assembly. Figure 3-30. Big Fan Machine Maintenance 3-21 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 80
Removing the Touchpad Module 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Release the connector latch (1) from the mainboard, then disconnect the touchpad cable (2). Figure 3-31. Touchpad - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 81
5. Remove the five screws securing the touchpad module to the upper case assembly. Figure 3-33. Touchpad Module Screws Table 3-33. Screws Step Touchpad Module Disassembly Screw M1.2 × L1 Quantity 5 Screw Type 6. Release the touchpad module from the adhesive tape and spacer securing it. Figure - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 82
7. Detach the touchpad module from the upper case assembly. Figure 3-35. Touchpad Module NOTE: NOTE: A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-35. Follow the local regulations for disposing this type of circuit board. 3-24 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 83
Removing the EL Small Board 0 1. Perform the "Removing the Lower Case" procedure described on page 3-7. 2. Perform the "Removing the Battery Pack" procedure described on page 3-8. 3. Release the connector latch (1) from the mainboard, then disconnect the EL small board cable (2). Figure 3-36. EL - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 84
5. Detach the EL small board from the upper case assembly. Figure 3-38. EL Small Board NOTE: NOTE: A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-38. Follow the local regulations for disposing this type of circuit board. 3-26 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 85
procedure described on page 3-10. 4. Perform the "Removing the RTC Battery" procedure described on page 3- Fan" procedure described on page 3-17. 8. Perform the "Removing the Big Fan" procedure described on page 3-19. 9. Perform the "Removing the Touchpad Module" procedure described on page 3-22. 10 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 86
12. Release the connector latch (1) from the mainboard, then disconnect the keyboard cable (2). Figure 3-40. Keyboard Cable 13. Remove the six screws securing the mainboard to the upper case. Figure 3-41. Mainboard Screws Table 3-41. Screws Step Mainboard Disassembly Screw M2 × L3 Quantity 6 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 87
14. Detach the DC-In bracket from the upper case. Figure 3-42. DC-In Bracket 15. Gently turn the mainboard over to access the bottom side of the mainboard. Figure 3-43. Mainboard NOTE: NOTE: A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-43. Follow the - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 88
16. Disconnect the DC-In cable from the mainboard. Figure 3-44. DC-In Cable 17. Detach the DC-In cable from the mainboard. Figure 3-45. DC-In Cable Layout 3-30 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 89
18. Detach the DC-In module from the mainboard. Figure 3-46. DC-In Module 19. Release the WLAN antenna cables from the adhesive tape securing it. Figure 3-47. WLAN Antenna Cables Adhesive Tape Machine Maintenance 3-31 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 90
20. Unplug the two antenna cables from the WLAN module. Figure 3-48. WLAN Module Antennas + IMPORTANT: For reference during machine reassembly, note that the auxiliary cable have a white spot marking on it and should be reconnected to the auxiliary connector. 3-32 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 91
Removing the Thermal Module 0 1. Perform the "Removing the Mainboard" procedure described on page 3-27. 2. Loosen the spring-loaded captive screws securing the thermal module. Follow the screw sequence indicated on Figure 3-49. Figure 3-49. Thermal Module Screws Table 3-49. Screws Step Thermal - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 92
Removing the LED Indicator 0 1. Perform the "Removing the Mainboard" procedure described on page 3-27. 2. Disengage the latches on the middle cover from the upper case assembly in the sequence shown on Figure 3-51, then detach the middle cover. Figure 3-51. Middle Cover 3. Detach the LED indicator - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 93
Removing the Upper Case Assembly 0 1. Perform the "Removing the Mainboard" procedure described on page 3-27. 2. Perform the "Removing the LED Indicator" procedure described on page 3-34. 3. Tilt the upper case until it is approximately at a 45° angle with the LCD assembly. Figure 3-53. Upper Case - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 94
5. Gently lift the upper case assembly away from the LCD module. Figure 3-55. Upper Case Assembly 3-36 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 95
Removing the Keyboard 0 NOTE: NOTE: The keyboard is easily warped or damaged during the removal process. Take care not to use excessive force when removing. 1. Perform the "Removing the Upper Case Assembly" procedure described on page 3-35. 2. Release the keyboard from the adhesive tape securing it - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 96
4. Detach the keyboard from the upper case. Figure 3-58. Keyboard 3-38 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 97
Reassembly Process 0 Reinstalling the Keyboard 0 1. Place the keyboard in its slot in the upper case assembly. Figure 3-59. Keyboard 2. Secure the keyboard to the upper case assembly using fifty three screws. Figure 3-60. Keyboard Screws Table 3-60. Screws Step Keyboard Reassembly Screw M1.2 × L1 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 98
3. Secure the keyboard to the upper case assembly using adhesive tape. Figure 3-61. Keyboard Adhesive Tape 3-40 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 99
Reinstalling the Upper Case Assembly 0 1. Gently insert the upper case assembly into the LCD module. Figure 3-62. Upper Case Assembly 2. Secure the upper case assembly to the LCD hinges using four screws. Figure 3-63. Upper Case Screws - LCD Hinges Table 3-63. Screws Step Upper Case Reassembly - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 100
Reinstalling the LED Indicator 0 1. Insert the LED indicator into the upper case assembly. Figure 3-64. LED Indicator 2. Insert the middle cover into the upper case assembly until it latch into place. Figure 3-65. Middle Cover 3-42 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 101
Reinstalling the Thermal Module 0 1. Place the thermal module into the mainboard. Figure 3-66. Thermal Module 2. Tighten the spring-loaded captive screws to secure the thermal module to the mainboard. Follow the screw sequence indicated on Figure 3-67. Figure 3-67. Thermal Module Screws Table 3- - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 102
Mainboard 0 1. Connect the two antenna cables to the WLAN module. Figure 3-68. WLAN Module Antennas + IMPORTANT: Note that the auxiliary cable have a white spot marking on it and should be reconnected to the auxiliary connector. 2. Secure the WLAN antenna cables to the mainboard using adhesive tape - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 103
3. Insert the DC-In module into its socket in the upper case assembly. Figure 3-70. DC-In Module 4. Insert the DC-In cable into the mainboard. Figure 3-71. DC-In Cable Layout Machine Maintenance 3-45 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 104
5. Connect the DC-In cable to the mainboard. Figure 3-72. DC-In Cable 6. Gently turn the mainboard over and place it into its socket in the upper case assembly. Figure 3-73. Mainboard 3-46 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 105
7. Place the DC-In bracket into the upper case. Figure 3-74. DC-In Bracket 8. Secure the mainboard to the upper case using six screws. Figure 3-75. Mainboard Screws Table 3-75. Screws Step Mainboard Reassembly Screw M2 × L3 Quantity 6 Screw Type Machine Maintenance 3-47 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 106
9. Connect the keyboard cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-76. Keyboard Cable 10. Connect the LED indicator cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-77. LED Indicator Cable 3-48 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 107
Reinstalling the EL Small Board 0 1. Place the EL small board into the upper case assembly. Figure 3-78. EL Small Board 2. Place the cable into the upper case assembly (1). Connect the EL small board cable to the EL small board (2), then press the connector latch (3) until it locks into place. - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 108
3. Connect the EL small board cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-80. EL Small Board Cable 3-50 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 109
Reinstalling the Touchpad Module 0 1. Place the touchpad bracket into the upper case assembly. Figure 3-81. Touchpad Bracket 2. Secure the touchpad bracket to the upper case assembly using adhesive tape with spacer. Figure 3-82. Touchpad Bracket Self Adhesive Tape and Spacer Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 110
3. Secure the touchpad bracket to the upper case assembly using five screws. Figure 3-83. Touchpad Bracket Screws Table 3-83. Screws Step Touchpad Bracket Reassembly Screw M1.2 × L1 Quantity 5 Screw Type 4. Turn the computer over and open the LCD panel. 5. Insert the touchpad module into its - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 111
6. Press the upper edges of the touchpad module until the latches lock into place. Figure 3-85. Touchpad Latches 7. Close the LCD panel and turn the computer over. 8. Place the cable into the upper case assembly (1). Connect the touchpad cable to the touchpad board (2), then press the connector - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 112
9. Connect the touchpad cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-87. Touchpad Cable 3-54 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 113
Reinstalling the Big Fan 0 1. Place the big fan into the upper case assembly. Figure 3-88. Big Fan 2. Secure the big fan to the upper case assembly using two screws. Figure 3-89. Big Fan Screws Table 3-89. Screws Step Big Fan Reassembly Screw M2 x L3 Quantity 2 Screw Type Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 114
3. Connect the big fan cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-90. Big Fan Cable 4. Connect the LCD cable to the mainboard. Figure 3-91. LCD Cable 3-56 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 115
5. Secure the LCD cable to the mainboard using adhesive tape. Figure 3-92. LCD Cable Adhesive Tape Machine Maintenance 3-57 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 116
Reinstalling the Small Fan 0 1. Place the small fan into the upper case assembly. Figure 3-93. Small Fan 2. Secure the small fan to the upper case assembly using two screws. Figure 3-94. Small Fan Screws Table 3-94. Screws Step Small Fan Reassembly Screw M2 x L3 Quantity 2 Screw Type 3-58 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 117
3. Connect the small fan cable to the mainboard (1), then press the connector latch (2) until it locks into place. Figure 3-95. Small Fan Cable Machine Maintenance 3-59 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 118
Reinstalling the M-SATA Board 0 1. Insert the M-SATA board into the upper case assembly. Figure 3-96. M-SATA Board 2. Secure the M-SATA board to the upper case assembly using one screw. Figure 3-97. M-SATA Board Screw Table 3-97. Screw Step M-SATA Board Reassembly Screw M2 x L3 3-60 Quantity 1 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 119
3. Connect the camera and touch screen cable to the mainboard. Figure 3-98. Camera and Touch Screen Cable 4. Secure the camera and touch screen cable to the mainboard using adhesive tape. Figure 3-99. Camera and Touch Screen Cable Adhesive Tape Machine Maintenance 3-61 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 120
Reinstalling the Hold Sensor Board 0 1. Connect the hold sensor cable to the hold sensor board (1), then press the connector latch (2) until it locks into place. Figure 3-100. Hold Sensor Cable 2. Place the hold sensor board into the upper case assembly. Figure 3-101. Hold Sensor Board 3-62 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 121
3. Secure the hold sensor board to the upper case assembly using one screw. Figure 3-102. Hold Sensor Board Screw Table 3-102. Screw Step Hold Sensor Board Reassembly Screw M2 x L2 Quantity 1 Screw Type 4. Connect the hold sensor cable to the mainboard (1), then press the connector latch (2) - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 122
Reinstalling the RTC Battery 0 1. Place the RTC battery into the upper case assembly. Figure 3-104. RTC Battery 2. Connect the RTC battery cable to the mainboard. Figure 3-105. RTC Battery Cable 3-64 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 123
Reinstalling the Left and Right Speakers 0 1. Place the left and right speakers into the upper case assembly. Figure 3-106. Left and Right Speakers 2. Secure the left and right speakers to the upper case assembly using four screws. Figure 3-107. Left and Right Speaker Screws Table 3-107. Screws - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 124
3. Insert the speaker cable into the latches in the upper case assembly. Figure 3-108. Upper Case Assembly Latches 4. Connect the speaker's cable to the mainboard. Figure 3-109. Speaker Cable 3-66 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 125
Reinstalling the Battery Pack 0 1. Place the battery pack into the upper case assembly. Figure 3-110. Battery Pack 2. Connect the battery pack cable to the mainboard. Figure 3-111. Battery Pack Cable Machine Maintenance 3-67 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 126
3. Slide the battery pack into its slot in the upper case assembly. Figure 3-112. Battery Cable 4. Secure the battery pack to the upper case using one screw. Figure 3-113. Battery Pack Screw Table 3-113. Screw Step Battery Pack Reassembly Screw M2 x L2 Quantity 1 Screw Type 3-68 Machine - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 127
Reinstalling the Lower Case 0 1. Gently place the lower case into the upper case assembly then press on all sides until the lower case latches into place. Figure 3-114. Lower Case 2. Secure the lower case to the upper case assembly using eleven screws. Figure 3-115. Lower Case Screws Table 3-115. - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 128
3-70 Machine Maintenance - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 129
CHAPTER 4 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 130
Failure 4-9 Internal Speaker Failure 4-10 Microphone Failure 4-12 USB Failure 4-13 WLAN Failure 4-14 Card Reader Failure 4-15 Thermal Unit Failure 4-16 Other Functions Failure 4-17 Intermittent Problems 4-18 Undetermined Problems 4-18 Error Codes 4-19 BIOS Beep Codes 4-20 POST Codes - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 131
. 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 only. Non-Acer products, prototype cards, or modified options can - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 132
5. Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point. 6. Remove any recently installed software. 7. If the issue is still not resolved, refer to the Online Support Information on page 9-3. 4-4 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 133
to all models. Refer to the computer's user manual for the applicable hotkey sequence. 2. Make sure the computer has power by checking for one of the following: Fans start up Status LEDs illuminate If there is no power, refer to the "Power On Issues" section on page 4-4. Troubleshooting 4-5 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 134
60. 10. If the issue is still not resolved, refer to the Online Support Information battery alone as this may reduce display brightness. 2. Adjust the brightness to its highest level. Refer to the User Manual for instructions Roll back the video driver to the previous version if updated. 5. Check the - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 135
LCD Failure 0 If the LCD fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-3. LCD Failure Troubleshooting 4-7 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 136
Keyboard Failure 0 If the Keyboard fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-4. Keyboard Failure 4-8 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 137
Touchpad Failure 0 If the Touchpad fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-5. Touchpad Failure Troubleshooting 4-9 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 138
Internal Speaker Failure Sound Problems 0 Perform the following, 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 set mid range: Click the volume icon on the task bar 4-10 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 139
system and file settings from a known good date using System Restore. 10. If the issue is remains, repeat step 9, selecting an earlier time and date. 11. Reinstall the Operating System. 12. If the issue is still not resolved, refer to the Online Support Information on page 9-3 Troubleshooting 4-11 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 140
Microphone Failure 0 If internal or external Microphones fail, perform the following, one at a time. Figure 4-7. Microphone Failure 1. Check that the microphone is complete the test. 7. If the issue is still not resolved, refer to the Online Support Information on page 9-3 4-12 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 141
USB Failure 0 If the USB fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-8. USB Failure Troubleshooting 4-13 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 142
WLAN Failure 0 If the WLAN fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-9. WLAN Failure 4-14 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 143
Card Reader Failure 0 If the Card Reader fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-10. Card Reader Failure Troubleshooting 4-15 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 144
Thermal Unit Failure 0 If the Thermal Unit fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-11. Thermal Unit Failure 4-16 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 145
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 4-17 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 146
-defective FRU). NOTE: NOTE: Verify that all attached devices are supported by the computer. NOTE: NOTE: Verify that the power supply problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 147
Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (The causes will be shown before "Equipment Configuration Error") 010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) 070 Real Time Clock Error 071 CMOS Battery Bad 072 CMOS Checksum - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 148
warm boot 13h Initialize PCI Bus Mastering devices 14h Initialize keyboard controller 16h 1-2-2-3 BIOS ROM checksum 17h Initialize cache before memory autosize 18h 8254 timer initialization 1Ah 8237 1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus 4-20 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 149
" 5Bh Disable CPU cache 5Ch Test RAM between 512 and 640 KB 60h Test extended memory 62h Test extended memory address lines 64h Jump to User Patch1 66h Configure advanced cache registers 67h Initialize Multi Processor APIC 68h Enable external and CPU caches Troubleshooting 4-21 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 150
external parallel ports 85h Initialize PC-compatible PnP ISA devices 86h Re-initialize onboard I/O ports 87h Configure Motherboard Configurable Devices (optional) 88h Initialize BIOS Area 89h Enable Non-Maskable Interrupts (NMIs) 8Ah Initialize Extended BIOS . 4-22 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 151
Table 4-3. BIOS Beep Codes Code 99h Beeps POST Routine Description Check for SMART drive (optional) 9Ah Shadow option ROMs 9Ch system error handler C5h PnPnd dual CMOS (optional) C6h Initialize notebook docking (optional) C7h Initialize notebook docking late Troubleshooting 4-23 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 152
Extended checksum (optional) D2h Unknown interrupt E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS F7h Boot to Full DOS 4-24 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 153
are designed to show the execution point while booting or executing services. Error Codes are designed to halt on exceptional (fatal) error component codes: The Component Code is assigned to an individual component (or driver) using the POSTCODE= option in the DSC file. If the value Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 154
) POSTCODE_CC_GRAPHICS_CONSOLE (0x50) POSTCODE_CC_SERIAL_CONSOLE (0x51) POSTCODE_CC_TEXT_CONSOLE (0x52) POSTCODE_CC_DISK_IO (0x53) POSTCODE_CC_PARTITION (0x54) POSTCODE_CC_SETUP (0x55) POSTCODE_CC_LEGACY_BIOS (0x56) POSTCODE_CC_BLOCK_IO_THUNK (0x57) POSTCODE_CC_CRYPTO (0x58) 4-26 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 155
are reserved for future expansion. 0xc0-0xcf These values are reserved for core chipset drivers (north bridge, south bridge and CPU) and are assigned by chipset family. management controller. 0xd6-0xd7 - Reserved for future expansion. 0xd8-0xdf Reserved for platform usage. Troubleshooting 4-27 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 156
of DXE IPL. POSTCODE_EC_IPL_PPI (0xee) - Couldn't find PPIs needed by DXE. POSTCODE_EC_DXE_ARCH (0xef) - Missing one or more architectural protocols at the end of DXE. 4-28 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 157
the DE/UEFI entry point. POSTCODE_PC_COMP_SUPPORTED (0x05) - The Supported() member function of the component's instance of the Driver Binding protocol was called. POSTCODE_PC_COMP_START (0x06) - The OEM usage. 0x60-0x7f Reserved. These are reserved for future expansion. Troubleshooting 4-29 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 158
4-30 Troubleshooting - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 159
CHAPTER 5 Jumper and Connector Locations - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 160
Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing the BIOS Passwords 5-5 Performing a BIOS Recovery 5-6 5-2 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 161
3 CPU1 4 WLAN1 5 USB 6 USB CPU WLAN USB 3.0 port USB 3.0 port No. Code 7 CARD1 8 RAM1~8 9 BTY1 10 SPK1 11 PW1 12 LOUT1 13 HDMI1 Component Card reader connector Onboard memory Battery connector Speaker connector Power button Mic/Headphone port HDMI connector Jumper and Connector Locations 5-3 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 162
5 TP1 6 KB1 7 FAN2 8 FAN1 9 EL1 Code Component LCD connector LED connector Camera and touch screen connector DMIC small board connector Touchpad connector Keyboard connector Small fan connector Big fan connector EL small board connector 5-4 Jumper and Connector Locations - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 163
Clearing the BIOS passwords Performing a BIOS recovery Clearing the BIOS Passwords 0 To clear a lost BIOS password (user or BIOS POST, remove the tool from the hardware gap. 10. Perform the "Reinstalling the M-SATA Board" procedure described on page 3-60. 11. Perform the "Reinstalling the Battery - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 164
the process is complete the computer will automatically reboot. 4. Disconnect the USB flash drive from the computer. 5. Perform a BIOS flash procedure to update the BIOS firmware. Refer to the "BIOS Flash Utilities" section on page 2-13 for detailed instructions. 5-6 Jumper and Connector Locations - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 165
CHAPTER 6 FRU List - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 166
Aspire S7-391 Exploded Diagrams 6-4 Main Assembly 6-4 FRU List 6-6 6-2 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 167
Aspire S7-391. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: NOTE: WHEN ORDERING FRU PARTS, check the most up-to-date information available on the regional web or channel. Part number changes will not be noted on the printed Service - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 168
Aspire S7-391 Exploded Diagrams 0 Main Assembly 0 Figure 6-1. Main Assembly Exploded Diagram Table 6-1. Main Assembly Exploded Diagram No. 1 2 3 4 Keyboard Touchpad Glass Touchpad Board Touchpad Bracket Description Part Number 90.4WE07.C1D 60.4WE04.001 6-4 FRU (Field Replaceable Unit) List - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 169
Table 6-1. Main Assembly Exploded Diagram No. Description 5 Touchpad Mylar 6 Upper Case Assembly 7 Antenna Cap 8 Antenna Holder 9 Hold Sensor Board 10 Battery 11 Thermal Module 12 Speaker Module 13 EL Backlight Board Module 14 M-SATA Board 15 Mainboard 16 Dummy Card 17 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 170
FRU List Category ADAPTER BATTERY Description ADP 65W 19V LITEON WHITE PA-1650-80AW ADP 65W 19V LITEON WHITE PA-1650-80AW LF 0 Acer Part No. KP.06503.006 KP.06503.007 BTY PACK LI+ SANYO 4C 2.34AH SANYO KT.00403.009 BOARDS STORM TOUCHPAD +TP SUPPORT ASSY TOUCHPAD EMC SA157A-1600 6K.M3EN1.001 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 171
1.0M SA H05VV-F WHITE-IS CT-RC 1.0M SA/INDIA H05VV-F WHITE-IS CT-RC 1.0M SWISS H05VV-F WHITE-IS CT-RC 1.0M TWN VCTF WHITE-IS CT-RC 1.0M UK H05VV-F WHITE-IS CT-RC 1.0M USA SPT-2 WHITE-IS CT-RC C.A. HDMI TO VGA CABLE C.A. USB TO ETHERNET CABLE STORM DC-IN CABLE Acer Part No. 27 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 172
/BRACKET ASSEMBLY 60 STORM ANT CAP ASSY 60 STORM LCASE ASSY Acer Part No. 42.M3EN1.001 60.M3EN1.001 FAN 60 STORM LCM FRAME ASSY PD 60 STORM TP ASSY RESERVE RESERVE 60 STORM UCASE ASSY 60.M3EN1.002 STORM DC JACK BRACKET STORM DUMMY CARD STORM LCD A GLASS Fan 40x40 SUNON STORM 33.M3EN1.001 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 173
NK.I1113.00U KB MP-12C56AFJ442 FR/AR STORM 68KEY NK.I1113.009 KB MP-12C56B0J442 BE STORM 68KEY NK.I1113.003 KB MP-12C56BGJ442 BG STORM 68KEY NK.I1113.005 KB MP-12C56CHJ442 SW STORM 68KEY NK.I1113.00Q KB MP-12C56CSJ442 CZ/SK STORM 68KEY NK.I1113.006 FRU (Field Replaceable Unit) List - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 174
LCD MODULE "LCD 13.3"" FHD AU WITH TOUCH TPK TCM13E72" 6M.M3EN1.001 KL.13305.005 MAINBOARD 6-10 STORM MB 1.7G/4G/ELP 12223-1 PD SKUB D STORM MB 1.7G/4G/ELP/FOX 12223-1 PD D STORM MB 1.7G/4G/HY 12223-1 PD SKUA D NB.M3E11.001 NB.M3E11.001 NB.M3E11.001 FRU (Field Replaceable - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 175
MOUSE DARFON 9Z.Q3J88.A10 WIRELESS LASER NC.20711.004 SCREW M1.2L1.0 D3.3 H0.25 BZN SCREW M2L3 D4.0 H0.8 NI SCREW M2L3.5 CONCENTRIC SUS410 SCREW M2L4 D4.0 H0.8 BNI SCREW M2L5 CONCENTRIC SUS301 STORM KB STAND OFF AUT M2X2 STORM KB STAND OFF AUT M2X2 LD STORM SCRW M2XL2 C0.2 86.M3EN1 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 176
Category SPEAKER Description SPEAKER STORM FG Acer Part No. 23.M3EN1.003 6-12 FRU (Field Replaceable Unit) List - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 177
CHAPTER 7 Test Compatible Components - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 178
Microsoft Windows 7 Environment Test 7-3 7-2 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 179
procedures, please refer to the Compatibility Test Report released by the Acer Mobile System Testing Department. Microsoft Windows 7 Environment Test 0 Vendor Adapter 10001081 DELTA 10001023 LITE-ON 10001023 LITE-ON Battery 60001921 SANYO Type 45W 65W 65W_HF 4CELL2.34 60004864 DARFON CPU 10001067 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 180
) KI.23200.038 HM77 NB Chipset Intel CS HM77 Chief River KI.G7501.002 AU2P_A10SL Keyboard CHICONY AU2P_A10SL AU2P Internal 12 Standard Silver NONE Y2010 Acer Legend Win 8 Backlit NK.I1213.001 7-4 Test Compatible Components - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 181
Vendor WiFi Antenna 10000105 WNC Wireless LAN 10001023 LITE-ON 10001018 HON HAI Acer USB to Ethernet cable(White) Glass White Ambient Light Sensor_2 Capella CM3218 Acer USB to Ethernet cable(White) A Cover Glass (White) Acer HDMI(D) to Acer HDMI(D) to VGA VGA converter(White) converter(White - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 182
10000286 WISTRON Gray Leather Gray Leather Envelope Bag for Storm NC.23811.00E Envelope Bag for Storm 9999995 ONE Mouse TIME VENDER Mouse MS.20700.005 820123 DARFON Mouse_MT1BF Acer Mouse - Bluetooth Darfon MT1BF White Acer Logo White Acer Logo NC.20711.004 10001012 COMPAL Wiping KB - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 183
CHAPTER 8 Online Support Information - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 184
Online Support Information 8-3 8-2 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 185
directly 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 - Acer Aspire S7-391 | Acer S7-391 Notebook Service Guide - Page 186
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