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Cleaning BIOS Passwords,

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Cleaning BIOS Passwords 0 When customer forgets the BIOS supervisor/user password, he could clear the password as below: 1. Prepare a USB flash disk with FAT32 file system and copy Disablepassword.efi file to root directory. 2. After pressing power button, to hold Ctrl and Alt key and then continually stroke Enter key until POST LOGO finish. 3. System will display "Press Y or y key to clear BIOS password.". 4. After press Y/y key, BIOS will clear BIOS password and reboot system. Figure 2-23. Clear BIOS Password The on screen message indicates the function success. NOTE: NOTE: This document is for Pegatron Acer project in 2012. System Utilities 2-21

Section	Page
CHAPTER 1	5
Hardware Specifications	5
Operating System 1-5	5
Platform 1-5	5
System Memory 1-5	5
Display 1-5	5
Graphics 1-5	5
Storage Subsystem 1-6	5
Audio Subsystem 1-6	5
Optical Media Drive 1-6	5
Communication 1-6	5
Privacy Control 1-7	5
Dimensions and Weight 1-7	5
Power Adapter and Battery 1-7	5
Special Keys and Controls 1-8	5
I/O Ports 1-8	5
Software 1-8	5
Environment 1-9	5
Notebook Tour 1-11	5
Closed Front View 1-12	5
Indicators 1-16	5
Windows Keys 1-19	5
Hotkeys 1-20	5
Specification Tables 1-23	5
CHAPTER 2	5
System Utilities	5
BIOS 2-4	5
Main 2-6	5
Security 2-8	6
Boot 2-12	6
Exit 2-13	6
BIOS Flash Utilities 2-14	6
DOS Flash Utility 2-15	6
WinFlash Utility 2-17	6
Remove HDD/BIOS Password Utilities 2-18	6
Removing BIOS Passwords 2-20	6
Cleaning BIOS Passwords 2-21	6
Using DMI Tools 2-22	6
LAN MAC EEPROM Utility 2-29	6
CHAPTER 3	6
Machine Maintenance	6
Pre-disassembly Instructions 3-6	6
Disassembly Process 3-7	6
External Module Disassembly Process 3-8	6
Removing the Dummy Card 3-9	6
Removing the HDD Door 3-10	6
Removing the HDD Module 3-11	6
Removing the DIMM Module 3-12	6
Removing the SSD Module 3-13	6
Removing the WLAN Module 3-14	6
Removing the ODD Module 3-16	6
Main Unit Disassembly Process 3-19	6
Removing battery 3-26	6
Removing the Power switch board 3-29	6
Remove the card reader 3-30	6
Remove the cables from the Mainboard 3-31	6
Removing the Mainboard 3-34	6
Removing the Thermal module 3-36	6
Removing the Bluetooth Board 3-38	6
Removing the Speakers 3-39	7
LCD Module Disassembly Process 3-41	7
Removing the LCD Bezel 3-42	7
Removing the LCD Panel 3-46	7
Removing the Camera Board 3-48	7
LCD Reassembly Procedure 3-49	7
Replacing the LCD Panel 3-50	7
Replacing the LCD Bezel 3-52	7
Replacing the Bluetooth 3-53	7
Replacing the Speakers 3-54	7
Replacing the DC-IN cable 3-56	7
Replacing the Thermal Module 3-57	7
Replacing the Mainboard 3-59	7
Replacing the LCD Module & Cables to Mainboard 3-60	7
Replacing the Card reader 3-63	7
Replacing the Power Switch board&Battery 3-64	7
Replacing the Keyboard 3-67	7
Replacing the ODD Module 3-73	7
Replacing the WLAN Module 3-76	7
Replacing the SSD Module 3-78	7
Replacing the DIMM Module 3-79	7
Replacing the HDD Module 3-80	7
Replacing the Door 3-81	7
CHAPTER 4	7
Troubleshooting	7
Power On Issues 4-4	7
No Display Issues 4-5	7
LCD Failure 4-7	7
Keyboard Failure 4-8	7
Touchpad Failure 4-9	7
Internal & External Speaker Failure 4-10	7
Microphone Failure 4-12	7
USB Failure 4-13	7
WLAN Failure 4-14	7
Card Reader Failure 4-15	8
Thermal Unit Failure 4-16	8
HDMI and CRT Failure 4-17	8
CD-ROM/DVD Failure 4-18	8
Other Functions Failure 4-19	8
Post Codes 4-20	8
CHAPTER 5	8
Jumper and Connector Locations	8
Clearing Password Check and BIOS Recovery 5-6	8
BIOS Recovery by Crisis Disk 5-8	8
CHAPTER 6	8
FRU List	8
MA50_HX Exploded Diagrams 6-4	8
FRU List 6-10	8
CHAPTER 7	8
Test Compatible Components	8
Microsoft® Windows® 7 Environment Test 7-4	8
CHAPTER 8	8
Online Support Information	8
Operating System 1-5	12
Platform 1-5	12
System Memory 1-5	12
Display 1-5	12
Graphics 1-5	12
Storage Subsystem 1-6	12
Audio Subsystem 1-6	12
Optical Media Drive 1-6	12
Communication 1-6	12
Privacy Control 1-7	12
Dimensions and Weight 1-7	12
Power Adapter and Battery 1-7	12
Special Keys and Controls 1-8	12
I/O Ports 1-8	12
Software 1-8	12
Environment 1-10	12
Notebook Tour 1-11	12
Closed Front View 1-12	12
Indicators 1-16	12
Windows Keys 1-19	12
Hotkeys 1-20	12
System Block Diagram 1-23	12
Specification Tables 1-24	12
Computer specifications 1-24	12
System Board Major Chips 1-25	12
Processor 1-25	12
Processor Specifications 1-25	12
CPU Fan True Value Table 1-26	12
System Memory 1-26	12
Memory Combinations 1-26	12
Graphics Controller 1-27	12
Video Interface 1-27	12
BIOS 1-27	12
LAN Interface 1-28	12
Keyboard 1-28	12
Hard Disk Drive (AVL components) 1-28	13
Solid State Drive (AVL components) 1-29	13
Super-Multi Drive Interface 1-30	13
LED 15.6” 1-30	13
Display Supported Resolution (LCD Supported Resolution) 1-31	13
Graphics Controller 1-31	13
Display Supported Resolution (GPU Supported Resolution) 1-31	13
Display Supported Resolution (LCD panel Supported Resolution) 1-32	13
Bluetooth Interface 1-32	13
Bluetooth Module 1-32	13
Camera 1-32	13
WIFI Card 1-33	13
Audio Codec and Amplifier 1-33	13
Audio Interface 1-34	13
Battery 1-35	13
VRAM 1-35	13
USB Port 1-35	13
HDMI Port 1-35	13
AC Adapter 1-35	13
System Power Management 1-36	13
Card Reader 1-36	13
System LED Indicator 1-36	13
System DMA Specification 1-37	13
System Interrupt Specification 1-37	13
System IO Address Map 1-38	13
Features	15
Operating System	15
Platform	15
System Memory	15
Display	15
Graphics	15
Storage Subsystem	16
Audio Subsystem	16
Optical Media Drive	16
Communication	16
Privacy Control	17
Dimensions and Weight	17
Power Adapter and Battery	17
Special Keys and Controls	18
I/O Ports	18
Software	18
Environment	19
Notebook Tour	21
Open Top View	21
Closed Front View	22
Closed Rear View	22
Left View	23
Right View	24
Base View	25
Indicators	26
Touchpad Basics	26
Using the Keyboard	27
Lock Keys	28
Windows Keys	29
Hotkeys	30
Specification Tables	33
Computer specifications	33
System Board Major Chips	34
Processor	34
Processor Specifications	34
CPU Fan True Value Table	35
System Memory	35
Memory Combinations	35
Graphics Controller	36
Video Interface	36
BIOS	36
LAN Interface	36
Keyboard	37
Hard Disk Drive (AVL components)	37
Solid State Drive (AVL components)	38
Super-Multi Drive Interface	38
LED 15.6”	39
Display Supported Resolution (LCD Supported Resolution)	40
Graphics Controller	40
Display Supported Resolution (GPU Supported Resolution)	40
Display Supported Resolution (LCD panel Supported Resolution)	40
Bluetooth Interface	41
Bluetooth Module	41
Camera	41
WIFI Card	41
Audio Codec and Amplifier	42
Audio Interface	44
Battery	44
VRAM	44
USB Port	44
HDMI Port	45
AC Adapter	45
System Power Management	45
Card Reader	45
System LED Indicator	46
System DMA Specification	46
System Interrupt Specification	46
System IO Address Map	47
BIOS 2-4	52
Main 2-6	52
Security 2-8	52
Boot 2-12	52
Exit 2-13	52
BIOS Flash Utilities 2-14	52
DOS Flash Utility 2-15	52
WinFlash Utility 2-17	52
Remove HDD/BIOS Password Utilities 2-18	52
Removing BIOS Passwords 2-20	52
Cleaning BIOS Passwords 2-21	52
Using DMI Tools 2-22	52
LAN MAC EEPROM Utility 2-29	52
BIOS Setup Utility	53
Navigating the BIOS Utility	53
BIOS	54
Information	54
Main	56
Security	58
Boot	62
Exit	63
BIOS Flash Utilities	64
DOS Flash Utility	65
WinFlash Utility	67
Remove HDD/BIOS Password Utilities	68
Remove HDD Password Utilities	68
Removing BIOS Passwords	70
Cleaning BIOS Passwords	71
Using DMI Tools	72
LAN MAC EEPROM Utility	79
Pre-disassembly Instructions 3-6	86
Disassembly Process 3-7	86
External Module Disassembly Process 3-8	86
Removing the Dummy Card 3-9	86
Removing the HDD Door 3-10	86
Removing the HDD Module 3-11	86
Removing the DIMM Module 3-12	86
Removing the SSD Module 3-13	86
Removing the WLAN Module 3-14	86
Removing the ODD Module 3-16	86
Main Unit Disassembly Process 3-19	86
Removing battery 3-26	86
Removing the Power switch board 3-29	86
Remove the card reader 3-30	86
Remove the cables from the Mainboard 3-31	86
Removing the Mainboard 3-34	86
Removing the Thermal module 3-36	86
Removing the Bluetooth Board 3-38	86
Removing the Speakers 3-39	86
LCD Module Disassembly Process 3-41	86
Removing the LCD Bezel 3-42	86
Removing the LCD Panel 3-46	86
Removing the Camera Board 3-48	86
LCD Reassembly Procedure 3-49	86
Replacing the LCD Panel 3-50	86
Replacing the LCD Bezel 3-52	86
Replacing the Bluetooth 3-53	86
Replacing the Speakers 3-54	86
Replacing the DC-IN cable 3-56	86
Replacing the Thermal Module 3-57	86
Replacing the Mainboard 3-59	86
Replacing the LCD Module & Cables to Mainboard 3-60	86
Replacing the Card reader 3-63	87
Replacing the Power Switch board&Battery 3-64	87
Replacing the Keyboard 3-67	87
Replacing the ODD Module 3-73	87
Replacing the WLAN Module 3-76	87
Replacing the SSD Module 3-78	87
Replacing the DIMM Module 3-79	87
Replacing the HDD Module 3-80	87
Replacing the Door 3-81	87
Machine Disassembly and Replacement	89
Recommended Equipment	89
Replacement Requirements	89
Pre-disassembly Instructions	90
Disassembly Process	91
External Module Disassembly Process	92
External Modules Disassembly Flowchart	92
Removing the Dummy Card	93
Removing the HDD Door	94
Removing the HDD Module	95
Removing the DIMM Module	96
Removing the SSD Module	97
Removing the WLAN Module	98
Removing the ODD Module	100
Main Unit Disassembly Process	103
Main Unit Disassembly Flowchart	103
Removing the Top Case	104
Removing battery	110
Removing the Power switch board	113
Remove the card reader	114
Remove the cables from the Mainboard	115
Removing the Mainboard	118
Removing the Thermal module	120
Removing the Bluetooth Board	122
Removing the Speakers	123
LCD Module Disassembly Process	125
LCD Module Disassembly Flowchart	125
Removing the LCD Bezel	126
Removing the LCD Panel	130
Removing the Camera Board	132
LCD Reassembly Procedure	133
Replacing the Camera	133
Replacing the LCD Panel	134
Replacing the LCD Bezel	136
Replacing the Bluetooth	137
Replacing the Speakers	138
Replacing the DC-IN cable	140
Replacing the Thermal Module	141
Replacing the Mainboard	143
Replacing the LCD Module & Cables to Mainboard	144
Replacing the Card reader	147
Replacing the Power Switch board&Battery	148
Replacing the Keyboard	151
Replacing the ODD Module	157
Replacing the WLAN Module	160
Replacing the SSD Module	162
Replacing the DIMM Module	163
Replacing the HDD Module	164
Replacing the Door	165
Replacing the Dummy Card	166
Power On Issues 4-4	168
No Display Issues 4-5	168
LCD Failure 4-7	168
Keyboard Failure 4-8	168
Touchpad Failure 4-9	168
Internal & External Speaker Failure 4-10	168
Microphone Failure 4-12	168
USB Failure 4-13	168
WLAN Failure 4-14	168
Card Reader Failure 4-15	168
Thermal Unit Failure 4-16	168
HDMI and CRT Failure 4-17	168
CD-ROM/DVD Failure 4-18	168
Other Functions Failure 4-19	168
Post Codes 4-20	168
Introduction	169
General Information	169
Power On Issues	170
No Display Issues	171
LCD Failure	173
Keyboard Failure	174
Touchpad Failure	175
Internal & External Speaker Failure	176
Microphone Failure	178
USB Failure	179
WLAN Failure	180
Card Reader Failure	181
Thermal Unit Failure	182
HDMI and CRT Failure	183
CD-ROM/DVD Failure	184
Other Functions Failure	185
Intermittent Problems	185
Undetermined Problems	185
Post Codes	186
POST Code Range	186
Clearing Password Check and BIOS Recovery 5-6	196
BIOS Recovery by Crisis Disk 5-8	196
Clearing Password Check and BIOS Recovery	200
Clearing Password Check	200
Clear CMOS Jumper	201
BIOS Recovery by Crisis Disk	202
FRU List	203
MA50_HX Exploded Diagrams 6-4	204
FRU List 6-10	204
MA50_HX Exploded Diagrams	206
Main Assembly	206
LCD Assembly	208
Top Case Assembly	209
Bottom Case Assembly	210
FRU List	212
Microsoft® Windows® 7 Environment Test 7-4	224
Microsoft® Windows® 7 Environment Test	226
M3 581T/581TG	226
Online Support Information	231

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