Lenovo ThinkPad T61 7659 User Manual page 32

Solving computer problems
Problem:
Solution:
Problem:
Solution:
22
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ThinkPad T61 Service and Troubleshooting Guide
Missing, discolored, or bright dots appear on the screen every time
you turn on your 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.
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, and the image is displayed on the computer screen.
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.
v If you still have the problem, do the Solution in the following
problem "The screen is unreadable or distorted."