Computer Screen Problems - Lenovo ThinkPad X301 Service And Troubleshooting Manual

Computer screen problems

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ThinkPad X301 Service and Troubleshooting Guide
Incorrect characters appear on the screen.
1. Make sure that the operating system and the application program are
installed correctly.
2. If they are installed and configured correctly, have the computer serviced.
Missing, discolored, or bright dots appear on the screen every time I turn on
my computer.
This is an intrinsic characteristic of the TFT technology. Your computer's
display contains multiple thin-film transistors (TFTs). A small number of
missing, discolored, or bright dots on the screen might exist all the time.
The screen is blank.
1. Do the following:
v Press Fn+F7 to bring up the image.
Note: If you use the Fn+F7 key combination to apply a presentation
scheme, press Fn+F7 at least three times in three seconds.
v If you are using the AC adapter, or using the battery, and the battery
status indicator is on (is green), press Fn+Home to make the screen
brighter.
v If the sleep (standby) status indicator is on (is green), press Fn to
resume from the sleep (standby) mode.
2. If the problem persists, do the Solution in the following Problem.