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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
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
:
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.
Summary of Contents for Aspire Z3620
Page 1: ...Aspire Z 620 ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 48: ...CHAPTER 2 System Utilities ...
Page 64: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 115: ...CHAPTER 4 Troubleshooting ...
Page 133: ...CHAPTER 5 Jumper and Connector Locaions ...
Page 141: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 142: ...132 Exploded Diagram 134 Main Assembly 134 FRU List 136 Screw List 137 ...
Page 144: ...134 Exploded Diagram Main Assembly Figure 6 1 Main Assembly Exploded Diagram ...
Page 146: ...136 FRU List ...
Page 147: ...137 Screw List ...
Page 148: ...CHAPTER 7 Test Compatible Components ...
Page 149: ...139 Microsoft Windows 7 Environment Test 140 ...
Page 150: ...140 Microsoft Windows 7 Environment Test ...
Page 151: ...CHAPTER 8 Online Support Information ...
Page 152: ...142 Introduction 143 ...