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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 4240 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 45: ...Chapter 2 35 A progress screen displays ...
Page 50: ...40 Chapter 2 2 In DOS mode run the MAC BAT file to write MAC values to eeprom ...
Page 57: ...Chapter 3 47 5 Remove the HDD Cover as shown ...
Page 98: ...88 Chapter 3 4 Lift the bezel away from the panel ...
Page 101: ...Chapter 3 91 4 Lift the LCD Panel out of the casing as shown ...
Page 125: ...Chapter 3 115 4 Replace the single securing screw ...
Page 146: ...136 Chapter 3 ...
Page 176: ...166 Chapter 5 ...
Page 189: ...Chapter 6 179 ...
Page 208: ...Appendix A 198 ...
Page 220: ...210 Appendix B ...
Page 222: ...212 Appendix C ...