150
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
160) 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 245.
Summary of Contents for ASPIRE 5252
Page 4: ...IV ...
Page 10: ...X Table of Contents ...
Page 38: ...28 Chapter 1 ...
Page 69: ...Chapter 3 59 4 Detach the WLAN module from the WLAN socket ...
Page 86: ...76 Chapter 3 5 Lift the Bluetooth cable from the cable guides Discrete UMA ...
Page 97: ...Chapter 3 87 8 Remove the LCD assembly from the lower cover ...
Page 108: ...98 Chapter 3 5 Lift the microphone set clear of the panel ...
Page 119: ...Chapter 3 109 4 Replace the adhesive tape securing the inverter board cable to the LCD cover ...
Page 125: ...Chapter 3 115 7 Replace the adhesive tape to secure the antennas to the lower cover ...
Page 136: ...126 Chapter 3 4 Connect the USB cable to the mainboard and lock the connector ...
Page 144: ...134 Chapter 3 4 Connect the speaker cable B 5 Connect and lock the touchpad FFC C ...
Page 148: ...138 Chapter 3 4 Slide the HDD module in the direction of the arrow to connect the interface ...
Page 158: ...148 Chapter 3 ...
Page 186: ...176 Chapter 3 ...
Page 254: ...244 Appendix B ...
Page 256: ...246 Appendix C ...
Page 260: ...250 ...