120
Chapter 4
If the POST or video appears on the external display, see “LCD Failure” on page 121.
5.
Disconnect power and all external devices including port replicators or docking stations. Remove any
memory cards and CD/DVD discs. Restart the computer.
If the computer boots correctly, add the devices one by one until the failure point is discovered.
6.
Reseat the memory modules.
7.
Remove the drives (see “Disassembly Process” on page 40).
8.
If the Issue is still not resolved, see “Online Support Information” on page 217.
Abnormal Video Display
If video displays abnormally, perform the following actions one at a time to correct the problem.
1.
Reboot the computer.
2.
If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and
should be replaced. See “Disassembly Process” on page 40.
3.
If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD
is faulty and should be replaced. See “Disassembly Process” on page 40.
4.
Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings.
NOTE:
Ensure that the computer is not running on battery alone as this may reduce display brightness.
If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. See
“Disassembly Process” on page 40.
5.
Check the display resolution is correctly configured:
a.
Minimize or close all Windows.
b.
If display size is only abnormal in an application, check the view settings and control/mouse wheel
zoom feature in the application.
c.
If desktop display resolution is not normal, right-click on the desktop and select
Personalize
´
Display Settings
.
d.
Click and drag the Resolution slider to the desired resolution.
e.
Click
Apply
and check the display. Readjust if necessary.
6.
Roll back the video driver to the previous version if updated.
7.
Remove and reinstall the video driver.
8.
Check the Device Manager to determine that:
•
The device is properly installed. There are no red Xs or yellow exclamation marks.
•
There are no device conflicts.
•
No hardware is listed under Other Devices.
9.
If the Issue is still not resolved, see “Online Support Information” on page 217.
10.
Run the Windows Memory Diagnostic from the operating system DVD and follow the onscreen prompts.
11.
If the Issue is still not resolved, see “Online Support Information” on page 217.
Random Loss of BIOS Settings
If the computer is experiencing intermittent loss of BIOS information, perform the following actions one at a
time to correct the problem.
1.
If the computer is more than one year old, replace the CMOS battery.
2.
Run a complete virus scan using up-to-date software to ensure the computer is virus free.
3.
If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power
and data cables between devices.
Summary of Contents for Aspire One AOD150
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 28: ...18 Chapter 1 ...
Page 42: ...32 Chapter 2 5 Flash is complete when the message Flash programming complete displays ...
Page 55: ...Chapter 3 45 4 Lift the Memory cover up to remove 5 Lift the WLAN cover up to remove ...
Page 67: ...Chapter 3 57 7 Lift the Upper Cover clear of the computer ...
Page 78: ...68 Chapter 3 4 Lift the USB Board clear of the computer rear edge first ...
Page 80: ...70 Chapter 3 4 Turn the Bluetooth Module over and disconnect the Bluetooth cable ...
Page 83: ...Chapter 3 73 9 Turn the Mainboard over and disconnect the Power Cable ...
Page 85: ...Chapter 3 75 5 Remove the Speaker Module from the Lower Cover ...
Page 110: ...100 Chapter 3 4 Secure the Speaker Module cable in place with the adhesive strips ...
Page 220: ...Appendix A 210 ...
Page 228: ...218 Appendix C ...
