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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 1-7	5
Communication 1-7	5
Privacy Control 1-7	5
Dimensions and Weight 1-8	5
Power Adapter and Battery 1-8	5
Special Keys and Controls 1-8	5
I/O Ports 1-8	5
Software 1-9	5
Environment 1-10	5
Notebook Tour 1-11	5
Closed Front View 1-13	5
Indicators 1-17	5
Windows Keys 1-21	5
Hotkeys 1-22	5
Specification Tables 1-25	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 Memory Card 3-9	6
Removing the Battery 3-10	6
Removing the Main Door 3-12	6
Removing the Memory Module 3-14	6
Removing the HDD Module 3-17	6
Removing the WLAN Card 3-21	6
Removing the ODD Module 3-23	6
Main Unit Disassembly Process 3-26	6
Removing the Speaker Module 3-37	6
Remove the Power Switch Board 3-40	6
Removing the Motherboard 3-48	7
Removing the Thermal Module 3-52	7
Removing the CPU 3-54	7
Removing the Bottom Case 3-56	7
LCD Module Disassembly Process 3-61	7
Removing the LCD Bezel 3-62	7
Removing the LCD Panel 3-66	7
Removing the Hinges 3-69	7
Removing the Camera 3-71	7
Removing the LVDS Combo Cable 3-72	7
LCD Reassembly Procedure 3-76	7
Replacing the LCD Panel 3-77	7
Replacing the LCD Bezel 3-84	7
Replacing the Bottom Case 3-87	7
Replacing the CPU 3-90	7
Replacing the Thermal Module 3-92	7
Replacing the Motherboard 3-95	7
Replacing the IO Board 3-98	7
Replacing the Keyboard 3-100	7
Replacing the Power Switch Board 3-103	7
Replacing the Speaker Module 3-105	7
Replacing the Top Case 3-108	7
Replacing the Top Case Palmrest 3-111	7
Replacing the ODD Module 3-116	7
Replacing the WLAN Card 3-119	7
Replacing the HDD Module 3-121	7
Replacing the DIMM Module 3-125	7
Replacing the Main Door 3-127	7
Replacing the Battery 3-128	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	8
Internal & External Speaker Failure 4-10	8
Microphone Failure 4-12	8
USB Failure 4-13	8
WLAN Failure 4-14	8
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
CHAPTER 6	8
FRU List	8
V3-771/V3-771G Exploded Diagrams 6-4	8
FRU List 6-6	8
Screw List 6-13	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 1-7	12
Communication 1-7	12
Privacy Control 1-7	12
Dimensions and Weight 1-8	12
Power Adapter and Battery 1-8	12
Special Keys and Controls 1-8	12
I/O Ports 1-8	12
Software 1-9	12
Environment 1-10	12
Notebook Tour 1-11	12
Closed Front View 1-13	12
Indicators 1-17	12
Windows Keys 1-21	12
Hotkeys 1-22	12
System Block Diagram 1-24	12
Specification Tables 1-25	12
Computer specifications 1-25	12
System Board Major Chips 1-26	12
Processor 1-26	12
Processor Specifications 1-27	12
DIS 35W CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105) 1-28	12
DIS 45W CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105)) 1-28	12
UMA CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105) 1-29	12
System Memory 1-29	12
Memory Combinations 1-29	12
Graphics Controller 1-30	12
Video Interface 1-30	12
BIOS 1-31	12
LAN Interface 1-31	12
Keyboard 1-31	12
Hard Disk Drive (AVL components) 1-32	12
Super-Multi Drive Interface 1-32	12
BD Combo Drive Interface 1-33	13
BD RW Drive Interface 1-34	13
LED 17.3” 1-35	13
Display Supported Resolution (System Supported Resolution) 1-35	13
Graphics Controller 1-36	13
Display Supported Resolution (GPU Supported Resolution) 1-36	13
Display Supported Resolution (LCD panel Supported Resolution) 1-37	13
Bluetooth Interface 1-37	13
Bluetooth Module 1-37	13
Camera 1-38	13
WIFI Card 1-38	13
Audio Codec and Amplifier 1-38	13
Audio Interface 1-40	13
Battery 1-40	13
VRAM 1-40	13
USB Port 1-41	13
HDMI Port 1-41	13
AC Adapter 1-41	13
System Power Management 1-41	13
Card Reader 1-42	13
System LED Indicator 1-42	13
System DMA Specification 1-42	13
System Interrupt Specification 1-42	13
System IO Address Map 1-43	13
1-45	13
Features	15
Operating System	15
Platform	15
System Memory	15
Display	15
Graphics	15
Storage Subsystem	16
Audio Subsystem	16
Optical Media Drive	17
Communication	17
Privacy Control	17
Dimensions and Weight	18
Power Adapter and Battery	18
Special Keys and Controls	18
I/O Ports	18
Software	19
Environment	20
Notebook Tour	21
Top Cover View	21
Keyboard View	22
Closed Front View	23
Left View	24
Right View	25
Base View	26
Indicators	27
Touchpad Basics	28
Using the Keyboard	29
Lock Keys	30
Windows Keys	31
Hotkeys	32
Specification Tables	35
Computer specifications	35
System Board Major Chips	36
Processor	36
Processor Specifications	37
DIS 35W CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105)	38
DIS 45W CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105))	38
UMA CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105)	39
System Memory	39
Memory Combinations	39
Graphics Controller	40
Video Interface	40
BIOS	41
LAN Interface	41
Keyboard	41
Hard Disk Drive (AVL components)	42
Super-Multi Drive Interface	42
BD Combo Drive Interface	43
BD RW Drive Interface	44
LED 17.3”	45
Display Supported Resolution (System Supported Resolution)	45
Graphics Controller	46
Display Supported Resolution (GPU Supported Resolution)	46
Display Supported Resolution (LCD panel Supported Resolution)	47
Bluetooth Interface	47
Bluetooth Module	47
Camera	48
WIFI Card	48
Audio Codec and Amplifier	48
Audio Interface	50
Battery	50
VRAM	50
USB Port	51
HDMI Port	51
AC Adapter	51
System Power Management	51
Card Reader	52
System LED Indicator	52
System DMA Specification	52
System Interrupt Specification	52
System IO Address Map	53
BIOS 2-4	58
Main 2-6	58
Security 2-8	58
Boot 2-12	58
Exit 2-13	58
BIOS Flash Utilities 2-14	58
DOS Flash Utility 2-15	58
WinFlash Utility 2-17	58
Remove HDD/BIOS Password Utilities 2-18	58
Removing BIOS Passwords 2-20	58
Cleaning BIOS Passwords 2-21	58
Using DMI Tools 2-22	58
LAN MAC EEPROM Utility 2-29	58
BIOS Setup Utility	59
Navigating the BIOS Utility	59
BIOS	60
Information	60
Main	62
Security	64
Boot	68
Exit	69
BIOS Flash Utilities	70
DOS Flash Utility	71
WinFlash Utility	73
Remove HDD/BIOS Password Utilities	74
Remove HDD Password Utilities	74
Removing BIOS Passwords	76
Cleaning BIOS Passwords	77
Using DMI Tools	78
LAN MAC EEPROM Utility	85
Pre-disassembly Instructions 3-6	90
Disassembly Process 3-7	90
External Module Disassembly Process 3-8	90
Removing the Memory Card 3-9	90
Removing the Battery 3-10	90
Removing the Main Door 3-12	90
Removing the Memory Module 3-14	90
Removing the HDD Module 3-17	90
Removing the WLAN Card 3-21	90
Removing the ODD Module 3-23	90
Main Unit Disassembly Process 3-26	90
Removing the Speaker Module 3-37	90
Remove the Power Switch Board 3-40	90
Removing the Motherboard 3-48	90
Removing the Thermal Module 3-52	90
Removing the CPU 3-54	90
Removing the Bottom Case 3-56	90
LCD Module Disassembly Process 3-61	90
Removing the LCD Bezel 3-62	90
Removing the LCD Panel 3-66	90
Removing the Hinges 3-69	90
Removing the Camera 3-71	90
Removing the LVDS Combo Cable 3-72	90
LCD Reassembly Procedure 3-76	90
Replacing the LCD Panel 3-77	90
Replacing the LCD Bezel 3-84	90
Replacing the Bottom Case 3-87	90
Replacing the CPU 3-90	90
Replacing the Thermal Module 3-92	91
Replacing the Motherboard 3-95	91
Replacing the IO Board 3-98	91
Replacing the Keyboard 3-100	91
Replacing the Power Switch Board 3-103	91
Replacing the Speaker Module 3-105	91
Replacing the Top Case 3-108	91
Replacing the Top Case Palmrest 3-111	91
Replacing the ODD Module 3-116	91
Replacing the WLAN Card 3-119	91
Replacing the HDD Module 3-121	91
Replacing the DIMM Module 3-125	91
Replacing the Main Door 3-127	91
Replacing the Battery 3-128	91
Machine Disassembly and Replacement	93
Recommended Equipment	93
Replacement Requirements	93
Pre-disassembly Instructions	94
Disassembly Process	95
External Module Disassembly Process	96
External Modules Disassembly Flowchart	96
Removing the Memory Card	97
Removing the Battery	98
Removing the Main Door	100
Removing the Memory Module	102
Removing the HDD Module	105
Removing the WLAN Card	109
Removing the ODD Module	111
Main Unit Disassembly Process	114
Main Unit Disassembly Flowchart	114
Removing the Top Case Palmrest	115
Removing the Touchpad Switch Board	118
Removing the Top Case	121
Removing the Speaker Module	125
Remove the Power Switch Board	128
Removing the Keyboard Bracket	130
Removing the Keyboard	133
Removing the IO Board	134
Removing the Motherboard	136
Removing the Thermal Module	140
Removing the CPU	142
Removing the Bottom Case	144
LCD Module Disassembly Process	149
LCD Module Disassembly Flowchart	149
Removing the LCD Bezel	150
Removing the LCD Panel	154
Removing the Hinges	157
Removing the Camera	159
Removing the LVDS Combo Cable	160
LCD Reassembly Procedure	164
Replacing the Camera	164
Replacing the LCD Panel	165
Replacing the LCD Bezel	172
Replacing the Bottom Case	175
Replacing the CPU	178
Replacing the Thermal Module	180
Replacing the Motherboard	183
Replacing the IO Board	186
Replacing the Keyboard	188
Replacing the Power Switch Board	191
Replacing the Speaker Module	193
Replacing the Top Case	196
Replacing the Top Case Palmrest	199
Replacing the ODD Module	204
Replacing the WLAN Card	207
Replacing the HDD Module	209
Replacing the DIMM Module	213
Replacing the Main Door	215
Replacing the Battery	216
Power On Issues 4-4	218
No Display Issues 4-5	218
LCD Failure 4-7	218
Keyboard Failure 4-8	218
Touchpad Failure 4-9	218
Internal & External Speaker Failure 4-10	218
Microphone Failure 4-12	218
USB Failure 4-13	218
WLAN Failure 4-14	218
Card Reader Failure 4-15	218
Thermal Unit Failure 4-16	218
HDMI and CRT Failure 4-17	218
CD-ROM/DVD Failure 4-18	218
Other Functions Failure 4-19	218
Post Codes 4-20	218
Introduction	219
General Information	219
Power On Issues	220
No Display Issues	221
LCD Failure	223
Keyboard Failure	224
Touchpad Failure	225
Internal & External Speaker Failure	226
Microphone Failure	228
USB Failure	229
WLAN Failure	230
Card Reader Failure	231
Thermal Unit Failure	232
HDMI and CRT Failure	233
CD-ROM/DVD Failure	234
Other Functions Failure	235
Intermittent Problems	235
Undetermined Problems	235
Post Codes	236
POST Code Range	236
Clearing Password Check and BIOS Recovery 5-6	246
Clearing Password Check and BIOS Recovery	250
Clearing Password Check	250
Clear CMOS Jumper	251
BIOS Recovery by Crisis Disk	252
FRU List	253
V3-771/V3-771G Exploded Diagrams 6-4	254
FRU List 6-6	254
Screw List 6-13	254
V3-771/V3-771G Exploded Diagrams	256
Main Assembly	256
FRU List	258
Screw List	265
Microsoft® Windows® 7 Environment Test 7-4	268
Microsoft® Windows® 7 Environment Test	270
V3 771/771G	270
Online Support Information	281

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