Acer EM-7T HM50/70 Technical Information download pdf (Page 142)

132 Chapter 4

Wireless Function Failure

If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a non-

defective FRUs:

Thermal Unit Failure

If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a

non-defective FRUs:

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 181 182

Aspire 5517 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
Environment 13
System Block Diagram 14
Your Acer Notebook tour 15
Closed Front View 16
Rear View 17
Left View 17
Right View 18
Indicators 20
TouchPad Basics 21
Using the Keyboard 22
Windows Keys 23
Hot Keys 24
Special Key 25
Using the System Utilities 26
24 Chapter 1 34
System Utilities 35
Aspire 5517 BIOS 36
Security 38
Setting a Password 39
Removing a Password 39
Changing a Password 40
Chapter 2 31 41
BIOS Flash Utilities 43
DOS Flash Utility 44
WinFlash Utility 45
Using Boot Sequence Selector 48
Using DMITools 49
Disassembly Requirements 51
Chapter 3 51
Pre-disassembly Instructions 52
Disassembly Process 52
Removing the Battery Pack 54
Removing the SD Dummy Card 55
Removing the Lower Covers 56
Removing the DIMM Modules 59
Removing the WLAN Module 60
52 Chapter 3 62
Chapter 3 53 63
Step Size Quantity Screw Type 63
HDD Carrier M3*3 4 63
Main Unit Disassembly Process 64
Removing the Switch Cover 65
Removing the Keyboard 66
Removing the LCD Module 67
58 Chapter 3 68
Removing the Upper Cover 71
62 Chapter 3 72
Removing the Power Board 75
66 Chapter 3 76
Removing the TouchPad Bracket 80
Chapter 3 71 81
TouchPad Bracket M2*3 2 81
Removing the Mainboard 82
Removing the RTC Battery 83
Removing the Thermal Module 84
Chapter 3 75 85
Removing the CPU Fan 86
Chapter 3 77 87
Removing the CPU 88
Removing the LCD Bezel 90
Removing the Camera Module 91
Removing the LCD Panel 92
Chapter 3 83 93
Chapter 3 85 95
Removing the Antennas 96
Chapter 3 87 97
88 Chapter 3 98
Replacing the Antennas 99
Chapter 3 91 101
Replacing the LCD Panel 102
Replacing the Camera Module 104
Replacing the LCD Bezel 105
96 Chapter 3 106
Replacing the CPU 107
Replacing the CPU Fan 108
Replacing the Thermal Module 108
Replacing the Mainboard 109
Chapter 3 101 111
Replacing the Power Board 114
Replacing the Upper Cover 114
Chapter 3 105 115
106 Chapter 3 116
Chapter 3 107 117
Replacing the LCD Module 118
Rear Securing 119
Chapter 3 111 121
112 Chapter 3 122
Replacing the Keyboard 123
Replacing the Switch Cover 124
Chapter 3 115 125
Replacing the WLAN Module 126
Replacing the DIMM Modules 126
Replacing the ODD Module 127
Replacing the Lower Covers 127
Replacing the SD Dummy Card 128
Replacing the Battery 129
120 Chapter 3 130
Troubleshooting 131
Power On Issue 132
No Display Issue 133
Random Loss of BIOS Settings 134
LCD Failure 135
Built-In Keyboard Failure 135
TouchPad Failure 136
Internal Speaker Failure 136
Sound Problems 137
Microphone Problems 137
HDD Not Operating Correctly 138
ODD Failure 139
Discs Do Not Play 140
Discs Do Not Burn Properly 140
Playback is Choppy 140
Drive Not Detected 141
Drive Read Failure 141
Wireless Function Failure 142
Thermal Unit Failure 142
External Mouse Failure 143
Other Failures 143
Intermittent Problems 144
Undetermined Problems 144
Post Codes 145
Chapter 5 149
Bottom View 150
Power Board 151
Clearing Password Check 152
Clear CMOS Jumper 152
BIOS Recovery by Crisis Disk 153
144 Chapter 5 154
Chapter 6 155
Aspire 5517 Exploded Diagrams 156
Chapter 6 147 157
Base Assembly 158
Rear Assembly 159
Aspire 5517 FRU List 160
Chapter 6 151 161
152 Chapter 6 162
Chapter 6 153 163
154 Chapter 6 164
Chapter 6 155 165
156 Chapter 6 166
Chapter 6 157 167
158 Chapter 6 168
Chapter 6 159 169
Appendix A 170
Test Compatible Components 173
Microsoft 174
Vista Environment Test 174
Online Support Information 177
168 Appendix C 178

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