Lenovo 3000 N100 0689 Supplementary Manual page 26

Solving computer problems
Problem:
The screen is unreadable or distorted.
Solution:
Problem:
The screen stays on even after you turn off your computer.
Solution:
18
Lenovo 3000 N100 Service and Troubleshooting Guide
Note: If you use the Fn+F7 key combination to apply a presentation
scheme, press Fn+F7 at least three times in three seconds, and
the image is displayed on the computer screen.
→ If you are using the ac adapter, or using the battery, and the battery
status indicator is on (is green), press Fn+F11 to make the screen
brighter.
→ If the standby status indicator is blinking, press Fn to resume from
the standby mode.
→ If the problem persists, do the Solution in the problem below.
→ 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 as follows:
Right-click the desktop to open the Display Properties window.
1. Click the Settings tab.
2. Check whether the screen resolution and color quality are correctly
set.
3. Click Advanced.
4. Click the Adapter tab.
5. Make sure that "NVIDIA xxxxx" or "Intel xxxxx" is shown in the
adapter information window.
Note: The device driver name xxxxx depends on the video chip
that has been installed on your computer.
6. Click the Properties button. Check the "Device status" box and
make sure the device is working properly. If not, click the
Troubleshoot button.
7. Click the Monitor tab.
8. Make sure the information is correct.
9. Click the Properties button. Check the "Device status" box and
make sure the device is working properly. If not, click the
Troubleshooter button.