146
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 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 229.
Summary of Contents for Aspire 4935 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 60: ...50 Chapter 2 ...
Page 68: ...58 Chapter 3 7 Carefully open the HDD Cover ...
Page 95: ...Chapter 3 85 5 Remove the TouchPad Bracket from the Upper Base ...
Page 100: ...90 Chapter 3 5 Lift the USB Board clear of the casing ...
Page 104: ...94 Chapter 3 7 Lift the mainboard right side first to remove from the base ...
Page 112: ...102 Chapter 3 4 Lift the bezel away from the panel ...
Page 115: ...Chapter 3 105 4 Lift the LCD Panel out of the casing as shown ...
Page 122: ...112 Chapter 3 13 Ensure that the securing pin is properly located ...
Page 130: ...120 Chapter 3 7 Insert the cable through the casing to the top side as shown ...
Page 143: ...Chapter 3 133 13 Replace the two securing screws ...
Page 148: ...138 Chapter 3 4 Turn the computer over and replace the six securing screws as shown ...
Page 154: ...144 Chapter 3 ...
Page 193: ...Chapter 6 183 ...
Page 232: ...Appendix A 222 ...
Page 240: ...230 Appendix C ...