140
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
154) 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 31).
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 201.
Содержание eMachines E720 Series
Страница 6: ...VI...
Страница 60: ...50 Chapter 3 6 Remove the HDD cover as shown 7 Remove the WLAN cover as shown...
Страница 81: ...Chapter 3 71 6 Turn the upper cover over The upper cover appears as follows...
Страница 102: ...92 Chapter 3 7 Lift the Thermal Module clear of the Mainboard...
Страница 108: ...98 Chapter 3 6 Disconnect the left and right Inverter board cables as shown...
Страница 122: ...112 Chapter 3 3 Replace the RJ 11 cable in its housing...
Страница 133: ...Chapter 3 123 2 Replace the bracket as shown 3 Replace the single securing screw...
Страница 136: ...126 Chapter 3 2 Connect the seven cables on the mainboard as shown B C D E F G A...
Страница 142: ...132 Chapter 3 7 Replace the adhesive strip to secure the cable 8 Replace bracket and secure with provided screw...
Страница 148: ...138 Chapter 3...
Страница 170: ...160 Chapter 4...
Страница 188: ...Appendix A 178 Model Definition and Configuration Appendix A...
Страница 206: ...Appendix A 196...
Страница 212: ...202 Appendix C...