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Chapter 4
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 49.
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 49.
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 49.
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 207.
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 207.
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.
If the BIOS settings are still lost, replace the cables.
4.
If HDD information is missing from the BIOS, the drive may be defective and should be replaced.
5.
Replace the Motherboard.
6.
If the Issue is still not resolved, see “Online Support Information” on page 207.
Summary of Contents for ENTK83 Series
Page 6: ...VI...
Page 10: ...X Table of Contents...
Page 38: ...28 Chapter 1...
Page 55: ...Chapter 2 45...
Page 56: ...46 Chapter 2...
Page 71: ...Chapter 3 61 4 Detach the WLAN module from the WLAN socket...
Page 88: ...78 Chapter 3 5 Lift the Bluetooth cable from the cable guides Discrete UMA...
Page 99: ...Chapter 3 89 8 Remove the LCD assembly from the lower cover...
Page 110: ...100 Chapter 3 5 Lift the microphone set clear of the panel...
Page 121: ...Chapter 3 111 4 Replace the adhesive tape securing the inverter board cable to the LCD cover...
Page 127: ...Chapter 3 117 7 Replace the adhesive tape to secure the antennas to the lower cover...
Page 138: ...128 Chapter 3 4 Connect the USB cable to the mainboard and lock the connector...
Page 144: ...134 Chapter 3 Replacing the Upper Cover 1 Place the upper cover on the lower cover as shown...
Page 146: ...136 Chapter 3 4 Connect the speaker cable B 5 Connect and lock the touchpad FFC C...
Page 150: ...140 Chapter 3 4 Slide the HDD module in the direction of the arrow to connect the interface...
Page 160: ...150 Chapter 3...
Page 188: ...178 Chapter 5...
Page 219: ...Chapter 6 209...
Page 228: ...Appendix A 200...
Page 236: ...208 Appendix C...
Page 240: ...212...