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Acer TravelMate B113-M Acer Aspire V5-171 and TravelMate B113 Series Notebook - Page 85

Internal Keyboard Failure

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Internal Keyboard Failure If the internal keyboard fails, perform the following: Start OK Keyboard FPC NG well connected? OK Connect it well Keyboard OK? NG OK Replace M/B Replace keyboard Figure 4:4. Internal Keyboard Failure 4-7 Troubleshooting

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	43
BIOS Setup Utility	43
Navigating the Bios Setup Utility	43
BIOS	44
Information	44
Main	46
Security	48
Boot	52
Exit	53
BIOS Flash Utilities	54
DOS Flash Utility	55
WinFlash Utility	58
Miscellaneous Tools	61
Using DMI Tools	61
HDD/BIOS Password	63
Unlocking the HDD	63
Clearing the Password Check and BIOS Password	65
Crisis Utility SOP	67
When to Use the Crisis SOP	67
Creating a USB Flash Crisis Disk	67
Using the Crisis Utility Disk	70
Jumper and Connector Locations	73
Mainboard Top View	73
Mainboard Bottom View	74
LED Board View	75
IO Board View	76
HDD Board View	77
Clear CMOS Jumper	78
Troubleshooting	80
General Information	80
Power On Issues	81
No Display Issues	82
LCD Picture Failure	84
Internal Keyboard Failure	85
Touchpad Failure	86
Internal Speaker Failure	87
Internal Microphone Failure	89
USB Failure (USB 2.0)	90
Wireless/BT Function Test Failure	91
2-in-1 Card Function Test Failure	92
Unit Thermal Failure	93
Cosmetic Failure	94
Other Functions Failure	95
BIOS Problems	95
Intermittent Problems	96
Undetermined Problems	96
Service and Maintenance	99
Introduction	99
Recommended Equipment	99
Maintenance Flowchart	100
Getting Started	102
Battery Pack Removal	103
Battery Pack Installation	104
Dummy Card Removal	105
Dummy Card Installation	106
Base Door Removal	107
Base Door Installation	109
HDD Module Removal	111
HDD Module Installation	112
HDD Board Removal	113
HDD Board Installation	115
Fan Removal	117
Fan Installation	119
DIMM Module Removal	121
DIMM Module Installation	122
WLAN Module Removal	123
WLAN Module Installation	125
Upper Case Removal	127
Upper Case Installation	132
Mainboard Removal	135
Mainboard Installation	137
IO Board Removal	139
IO Board Installation	141
LED Board Removal	143
LED Board Installation	145
Speaker Removal	147
Speaker Installation	149
Keyboard Removal	151
Keyboard Installation	153
Touchpad Removal	155
Touchpad Installation	157
Thermal Module Removal	159
Thermal Module Installation	160
LCD Module Removal	162
LCD Module Installation	165
DC-In Cable Removal	168
DC-In Cable Installation	169
LCD Bezel Removal	170
LCD Bezel Installation	172
LCD Panel Removal	174
LCD Panel Installation	178
CCD Module Removal	182
CCD Module Installation	183
LCD Panel Brackets Removal	184
LCD Panel Brackets Installation	185
Microphone Removal	186
Microphone Installation	187
WLAN Antenna (Main) Removal	188
WLAN Antenna (Main) Installation	190
WLAN Antenna (Auxiliary) Removal	192
WLAN Antenna (Auxiliary) Installation	193
FRU (Field Replaceable Unit) List	195
Exploded Diagram	196
Main Assembly	196
Lower Case Assembly	198
Upper Case Assembly	199
LCD Assembly	201
HDD Assembly	203
FRU List	204
Screw List	209
Test Compatible Components	211
Microsoft® Windows® 7 Environment Test	211
TravelMate B113 Series	211
Online Support Information	216

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