122
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
131) 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 167.
Start
Check
AC/Batt only
power on
Swap
AC/Battery
OK
NG
Check
Power/B
Whether OK
OK
Swap Power
SW/B
OK
NG
Swap M/B
Содержание EC14D
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 45: ...Chapter 2 35 ...
Страница 46: ...36 Chapter 2 ...
Страница 81: ...Chapter 3 71 5 Lift out entire speaker module ...
Страница 104: ...94 Chapter 3 3 Replace the one 1 screw 4 Replace the FFC and adhere the adhesive tape over the cable ...
Страница 108: ...98 Chapter 3 5 Connect the thermal module cable to the mainboard ...
Страница 111: ...Chapter 3 101 7 Replace the CRT cable 8 Connect the speaker and card reader board cables ...
Страница 117: ...Chapter 3 107 Replacing the LED Board 1 Replace the LED board 2 Replace the one 1 screw 3 Connect the LED board FFC ...
Страница 119: ...Chapter 3 109 3 Beginning with the bottom edge press around the edges of the upper cover to snap it into place ...
Страница 124: ...114 Chapter 3 3 Gently slide the ODD back into the chassis 4 Replace the one 1 screw to secure the ODD module in place ...
Страница 150: ...140 Chapter 4 ...
Страница 156: ...146 Chapter 5 ...
Страница 169: ...Chapter 6 159 ...
Страница 178: ...168 Appendix C ...
Страница 182: ...172 ...