152
Chapter 4
Fingerprint Reader Failure
If the
Fingerprint
Reader
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:
Start
Reconnect the
cable to the
Mainboard
Check Fan power cable
Check Fan
Swap the Thermal
Module
CPU Heatink well
seated?
Seat it well
Check CPU
Swap CPU
Swap Mainboard
OK
OK
OK
OK
NG
NG
NG
NG
Summary of Contents for Aspire 4740G
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 56: ...46 Chapter 2 ...
Page 63: ...Chapter 3 53 5 Carefully open the HDD Cover ...
Page 65: ...Chapter 3 55 5 Remove two 2 screws from the WLAN bracket and lift it clear of the device ...
Page 90: ...80 Chapter 3 5 Remove the TouchPad Bracket from the Upper Cover ...
Page 92: ...82 Chapter 3 Step Size Quantity Screw Type Media Board M2 5 3 2 ...
Page 97: ...Chapter 3 87 Step Size Quantity Screw Type Bluetooth Module M2 5 3 1 ...
Page 99: ...Chapter 3 89 7 Lift one edge of the mainboard as shown to remove it from the base ...
Page 107: ...Chapter 3 97 4 Lift the bezel away from the panel ...
Page 110: ...100 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Page 117: ...Chapter 3 107 13 Ensure that the securing pin is properly located ...
Page 129: ...Chapter 3 119 ...
Page 134: ...124 Chapter 3 4 Turn the computer over Replace the fifteen screws on the bottom panel ...
Page 141: ...Chapter 3 131 4 Turn the computer over and replace the six 6 securing screws as shown ...
Page 186: ...176 Chapter 6 ...
Page 187: ...Chapter 6 177 ...
Page 208: ...Appendix A 198 ...
Page 214: ...204 Appendix B ...
Page 216: ...206 Appendix C ...