128
Chapter 4
Power On Issue
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRUs:
Computer Shutsdown Intermittently
If the system powers off at intervals, perform the following actions one at a time to correct the problem.
1.
Check the power cable is properly connected to the computer and the electrical outlet.
2.
Remove any extension cables between the computer and the outlet.
3.
Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly
into a known good electrical outlet.
4.
Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page
140) and fan airways are free of obstructions.
5.
Remove all external and non-essential hardware connected to the computer that are not necessary to
boot the computer to the failure point.
6.
Remove any recently installed software.
7.
If the Issue is still not resolved, see “Online Support Information” on page 209.
Summary of Contents for Aspire 5935 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 47: ...Chapter 2 37 ...
Page 54: ...44 Chapter 2 ...
Page 83: ...Chapter 3 73 5 Disconnect the cable from the Power Saving Board as shown ...
Page 88: ...78 Chapter 3 8 Remove the FInger Print Reader from the bracket as shown ...
Page 98: ...88 Chapter 3 4 Lift the right side Saddle clear of the Lower Cover as shown ...
Page 102: ...92 Chapter 3 5 Disconnect the cable from the Bluetooth Module ...
Page 109: ...Chapter 3 99 5 Using both hands lift the Thermal Module clear of the Mainboard ...
Page 161: ...Chapter 5 151 LS 5011P LCD Backlight Board Item Description JP1 Backlight on off Connector ...
Page 164: ...154 Chapter 5 LS 5014P VR Board Item Description SW1 VR SWITCH ...
Page 165: ...Chapter 5 155 LS 5015P Finger printer Board Item Description U2 LTT SS801U 13_LGA28 ...
Page 170: ...160 Chapter 5 LS 501AP HDMI Board Item Description U1 CH7318A BF TR_QFN48_7X7 ...
Page 183: ...Chapter 6 173 ...
Page 212: ...Appendix A 202 ...
Page 218: ...208 Appendix B ...
Page 220: ...210 Appendix C ...
Page 224: ...214 ...