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Acer Aspire V3-551G Acer V3-551 and 551G Notebook Service Guide - Page 81

Internal Keyboard Failure

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Internal Keyboard Failure If the internal keyboard fails, perform the following: Start OK Check KB FPC well insert NG OK Re-assemble the KB FPC to M/B Is KB ok? OK Swap M/B NG Replace KB material Figure 4:4. Internal Keyboard Failure Troubleshooting 4-7

Section	Page
Table of Contents	2
General Information	7
Hardware Specifications and Configurations	9
Features	9
Notebook Tour	13
Top View	13
Front View	14
Left View	15
Right View	16
Base View	17
Touchpad Basics	18
Keyboard Basics	19
System Block Diagram	22
Specifications Table	23
System Utilities	44
BIOS Setup Utility	44
Navigating the Bios Setup Utility	44
BIOS	45
Information	45
Main	47
Security	48
Boot	52
Exit	53
Boot Manager	54
BIOS Flash Utilities	55
DOS Flash Utility	56
WinFlash Utility	58
Miscellaneous Tools	60
Using DMITools	60
Using the LAN MAC EEPROM Utility	61
HDD/BIOS Password	63
Unlocking the HDD	63
Clearing the Password Check and BIOS Password	65
Crisis Utility SOP	66
Creating a USB Flash Crisis Disk	66
Using the Crisis Utility Disk	67
Jumper and Connector Locations	70
Mainboard Top View	70
Mainboard Bottom View	71
USB Board View	72
Power Board View	73
CMOS Jumper	74
Troubleshooting	76
General Information	76
Power On Issues	77
No Display Issues	78
LCD Picture Failure	80
Internal Keyboard Failure	81
Touchpad Failure	82
Internal Speaker Failure	83
Internal Microphone Failure	85
USB Failure	86
Wireless Function Failure	87
Bluetooth Function Failure	88
4-in-1 Card Function Failure	89
Unit Thermal Failure	90
Cosmetic Failure	91
Other Functions Failure	92
BIOS Problems	92
Intermittent Problems	93
Undetermined Problems	93
Service and Maintenance	96
Introduction	96
Recommended Equipment	96
Maintenance Flowchart	97
Getting Started	99
Battery Pack Removal	100
Battery Pack Installation	101
Dummy Card Removal	102
Dummy Card Installation	103
Base Door Removal	104
Base Door Installation	106
ODD Module Removal	108
ODD Module Installation	111
DIMM Module Removal	114
DIMM Module Installation	115
HDD Module Removal	116
HDD Module Installation	117
HDD Carrier Removal	118
HDD Carrier Installation	118
WLAN Module Removal	119
WLAN Module Installation	121
Palm Rest Removal	123
Palm Rest Installation	126
Upper Case Removal	129
Upper Case Installation	133
RTC Battery Removal	137
RTC Battery Installation	138
Mainboard Removal	139
Mainboard Installation	142
Thermal Module Removal	146
Thermal Module Installation	148
CPU Removal	150
CPU Installation	151
Speaker Removal	152
Speaker Installation	155
USB Module Removal	158
USB Module Installation	160
Power Board Removal	162
Power Board Installation	164
Keyboard Removal	166
Keyboard Installation	168
LCD Module Removal	171
LCD Module Installation	174
DC-In Cable Removal	178
DC-In Cable Installation	179
LCD Bezel Removal	180
LCD Bezel Installation	182
CCD Module Removal	185
CCD Module Installation	186
LCD Panel Removal	187
LCD Panel Installation	191
LCD Panel Bracket Removal	195
LCD Panel Bracket Installation	196
WLAN Antenna Removal	197
WLAN Antenna Installation	199
Microphone Module Removal	201
Microphone Module Installation	202
FRU (Field Replaceable Unit) List	204
Exploded Diagram	205
Main Assembly	205
Lower Cover Assembly	207
Upper Cover Assembly	208
LCD Assembly	209
FRU List	211
Screw List	217
Test Compatible Components	219
Microsoft® Windows® 7 Environment Test	219
Aspire V3-5510	219
Online Support Information	229

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