Lenovo ThinkPad Edge E330 (English) User Guide - Page 127

Computer screen problems, Problem, Solution, Personalize, Display, Change display settings

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Computer screen problems • Problem: The screen is blank. Solution: Do the following: - Press F6 to bring up the image. - If you are using the ac power adapter, or using the battery and the Power Manager battery gauge shows that the battery is not depleted, press F8 to make the screen brighter. - If your computer is in sleep mode, press Fn to resume from the sleep mode. - If the problem persists, follow the solution for the following problem. • Problem: The screen is unreadable or distorted. Solution: Make sure that: - The display device driver is installed correctly. - The screen resolution and color quality are correctly set. - The monitor type is correct. To check these settings, do the following: 1. Right-click on the desktop, and click Personalize. 2. Click Display at the left. 3. Select Change display settings. Check whether the screen resolution is correctly set. 4. Click Advanced Settings. 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. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and make sure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen. 8. Click the Monitor tab. Check whether the color quality is correctly set, and make sure that the other information also is correct. 9. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and make sure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen. • Problem: Incorrect characters are displayed on the screen. Solution: Did you install the operating system or application program correctly? If they are installed and configured 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 four seconds or more 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 display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. Chapter 9. Troubleshooting computer problems 113

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Computer screen problems
•
Problem
: The screen is blank.
Solution
: Do the following:
–
Press F6 to bring up the image.
–
If you are using the ac power adapter, or using the battery and the Power Manager battery gauge
shows that the battery is not depleted, press F8 to make the screen brighter.
–
If your computer is in sleep mode, press Fn to resume from the sleep mode.
–
If the problem persists, follow the solution for the following problem.
•
Problem
: The screen is unreadable or distorted.
Solution
: Make sure that:
–
The display device driver is installed correctly.
–
The screen resolution and color quality are correctly set.
–
The monitor type is correct.
To check these settings, do the following:
1. Right-click on the desktop, and click
Personalize
.
2. Click
Display
at the left.
3. Select
Change display settings
. Check whether the screen resolution is correctly set.
4. Click
Advanced Settings
.
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. If you are prompted for an administrator password or confirmation, type
the password or provide confirmation. Check the
Device status
box and make sure that the device
is working correctly. If not, click the
Troubleshoot
button and follow the instructions on the screen.
8. Click the
Monitor
tab. Check whether the color quality is correctly set, and make sure that the other
information also is correct.
9. Click the
Properties
button. If you are prompted for an administrator password or confirmation, type
the password or provide confirmation. Check the
Device status
box and make sure that the device
is working correctly. If not, click the
Troubleshoot
button and follow the instructions on the screen.
•
Problem
: Incorrect characters are displayed on the screen.
Solution
: Did you install the operating system or application program correctly? If they are installed and
configured 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 four seconds or more 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 display contains
multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen
might exist all the time.
Chapter 9
.
Troubleshooting computer problems
113