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– The screen resolution and color quality are correctly set.
– The monitor type is correct.
To check these settings, do the following:
For Windows 7:
1. Right-click on the desktop, and click Screen resolution.
2. Click Advanced Settings.
3. Click the Adapter tab.
4. Make sure that the correct device driver name is shown in the adapter information window.
Note: The device driver name depends on the video chip that has been installed on your computer.
5. Click the Properties button. If you are prompted for an administrator password or conrmation, type
the password or provide conrmation. Check the “Device status” box and make sure the device is
working properly. If not, click the Troubleshoot button. Close the Properties window.
6. Click the Monitor tab. Check whether the color quality is correctly set, make sure other information
is also correct.
7. Click the Properties button. If you are prompted for an administrator password or conrmation, type
the password or provide conrmation. Check the “Device status” box and make sure the device is
working properly. If not, click the Troubleshoot button.
For Windows XP:
1. Right-click on the desktop, and click Properties to open the Display Properties window.
2. Click the Settings tab.
3. Check whether the screen resolution and color quality are correctly set.
4. Click Advanced.
5. Click the Adapter tab.
6. Make sure that the correct device driver name is shown in the adapter information window.
Note: The device driver name depends on the video chip that has been installed on your computer.
7. Click the Properties button. Check the “Device status” box and make sure the device is working
properly. If not, click the Troubleshoot button.
8. Click the Monitor tab.
9. Make sure the information is correct.
10. Click the Properties button. Check the “Device status” box and make sure the device is working
properly. If not, click the Troubleshoot button.
• Problem: Incorrect characters appear on the screen.
Solution: Did you install the operating system or application program correctly? If they are installed and
congured correctly, have the computer serviced.
• Problem: The screen stays on even after you turn off your computer.
Solution: Press and hold the power switch for 4 seconds or over to turn off your computer; then turn
it on again.
• Problem: Missing, discolored, or bright dots appear on the screen every time you turn on your computer.
Solution: This is an intrinsic characteristic of the TFT technology. Your computer's display contains
multiple thin-lm transistors (TFTs). A small number of missing, discolored, or bright dots on the screen
might exist all the time.
144 User Guide