Lenovo ThinkPad T60p - Manual (Page 27)

Problem: A number appears when you type a letter.
Solution: The numeric lock function is on. To disable it, press and hold Shift
or Fn and then press NmLk (ScrLk).
Problem: All or some of the keys on the external numeric keypad do not
work.
Solution: Make sure that the external numeric keypad is correctly connected
to the computer.
A pointing device problem
Problem: The scrolling or magnifying glass function does not work.
Solution: Check the mouse driver in the Device Manager window, and make
sure that the PS/2 TrackPoint driver is installed.
Standby or hibernation problems
Problem: The computer enters standby mode (the standby indicator turns on)
immediately after Power-on self-test (POST).
Solution: Make sure that:
v The battery is charged.
v The operating temperature is within the acceptable range. See
“Specifications” on page 64.
If these items are correct, have the computer serviced.
Problem: The critical low-battery error message is displayed, and the
computer immediately turns off.
Solution: The battery power is getting low. Connect the ac adapter to the
computer and plug it into an electrical outlet, or replace the battery
with a fully charged one.
Solving computer problems
Chapter 3. Solving computer problems 19