152
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
166) and fan airways are free of obstructions.
5.
Disable the power management settings in the BIOS to ensure they are not the cause of the problem (see
“Power” on page 47).
6.
Remove all external and non-essential hardware connected to the computer that are not necessary to
boot the computer to the failure point.
7.
Remove any recently installed software.
8.
If the Issue is still not resolved, see “Online Support Information” on page 209.
Содержание Aspire 4930 Series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 14: ...4 Chapter 1 System Block Diagram ...
Страница 48: ...38 Chapter 1 ...
Страница 63: ...Chapter 2 53 ...
Страница 65: ...Chapter 2 55 ...
Страница 66: ...56 Chapter 2 ...
Страница 74: ...64 Chapter 3 6 Remove the HDD cover as shown 7 Remove the WLAN cover as shown ...
Страница 79: ...Chapter 3 69 5 Remove the HDD from the carrier ...
Страница 88: ...78 Chapter 3 Removing the Antenna 1 Remove the Antenna Cables from the securing pins as shown ...
Страница 91: ...Chapter 3 81 6 Place the antenna cable as shown to avoid damaging them ...
Страница 102: ...92 Chapter 3 13 Remove the Finger Print Reader board from the Upper Cover ...
Страница 104: ...94 Chapter 3 13 Remove the Launch Board from the Upper Cover ...
Страница 110: ...100 Chapter 3 13 Lift the I O Board clear of the Lower cover 14 Disconnect the I O Board cable and remove the board ...
Страница 119: ...Chapter 3 109 18 Disconnect the DC IN Cable from the Mainboard ...
Страница 121: ...Chapter 3 111 14 Lift the Thermal Module clear of the Mainboard ...
Страница 123: ...Chapter 3 113 15 Lift the CPU clear of the Mainboard ...
Страница 127: ...Chapter 3 117 14 Remove the HDMI Module as shown ...
Страница 130: ...120 Chapter 3 10 Lift up the bezel rightside first and remove it from the LCD Module ...
Страница 134: ...124 Chapter 3 11 Lift the Camera Module clear of the LCD Module ...
Страница 138: ...128 Chapter 3 12 Remove the LCD brackets by pulling away from the LCD Panel as shown ...
Страница 160: ...150 Chapter 3 ...
Страница 191: ...Chapter 6 181 ...
Страница 214: ...Appendix A 204 ...
Страница 218: ...208 Appendix B ...
Страница 220: ...210 Appendix C ...