4-6
Troubleshooting
2.
Make sure the computer has power by checking for one of the following:
Fans start up
Status LEDs illuminate
If no power, Refer to Power On Issues.
3.
Drain stored power by removing the power cable and battery. Hold the power button for 10
seconds.
4.
Connect the power and reboot the computer.
5.
Connect an external monitor to the computer and switch between the internal display and
the external display is by pressing
Fn+F5
.
6.
If the POST or video appears on the external display only, refer to LCD Failure.
7.
Disconnect power and all external devices including port replicators or docking stations.
Remove any memory cards and CD/DVD discs.
8.
Start the computer. If the computer boots correctly, add the devices one by one until the
failure point is discovered.
9.
Reseat the memory modules.
10. Remove the drives (Refer to
Maintenance Flowchart
).
11. If the Issue is still not resolved, refer to
Online Support Information
.
Abnormal Video
0
If the video appears abnormal, perform the following:
1.
Boot the computer.
If permanent vertical/horizontal lines or dark spots appear in the same location, the
LCD is faulty and should be replaced. Refer to
Maintenance Flowchart
.
If extensive pixel damage is present (different colored spots in the same locations on
the screen), the LCD is faulty and should be replaced. Refer to
Maintenance Flowchart
.
NOTE:
NOTE
:
Make sure that the computer is not running on battery alone as this may reduce display
brightness.
2.
Adjust the brightness to its highest level. Refer to the User Manual for instructions on
adjusting the settings. If the display is too dim at the highest brightness setting, the LCD is
faulty and should be replaced. Refer to
Maintenance Flowchart
.
3.
Check the display resolution is correctly configured:
Minimize or close all Windows.
If display size is only abnormal in an application, check the view settings and
control/mouse wheel zoom feature in the application.
If desktop display resolution is not normal, right-click on the desktop and select
Personalize“ Display Settings
.
Click and drag the Resolution slider to the desired resolution.
Click
Apply
and check the display. Readjust if necessary.
4.
Roll back the video driver to the previous version if updated.
5.
Remove and reinstall the video driver.
6.
Check the Device Manager to determine that:
The device is properly installed. There are no red Xs or yellow exclamation marks
Summary of Contents for Aspire Z1100
Page 1: ...i SERVICE GUIDE Aspire Z1100 ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 42: ...1 32 Hardware Specifications and Configurations ...
Page 43: ...Hardware Specifications and Configurations 1 33 ...
Page 44: ...1 34 Hardware Specifications and Configurations ...
Page 45: ...CHAPTER 2 System Utilities ...
Page 70: ...2 26 System Utilities ...
Page 71: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 74: ...3 4 ...
Page 126: ...3 56 Machine Maintenance Procedures ...
Page 127: ...CHAPTER 4 Troubleshooting ...
Page 149: ...CHAPTER 5 Jumper and Connector Locations ...
Page 156: ...5 8 Jumper and Connector Locations ...
Page 157: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 158: ...6 2 Exploded Diagrams 6 4 Main Assembly 6 4 FRU List 6 6 Screw List 6 13 ...
Page 170: ...6 14 FRU Field Replaceable Unit List ...
Page 171: ...CHAPTER 7 Online Support Information ...
Page 172: ...7 2 Introduction 7 3 ...
Page 174: ...7 4 Online Support Information ...