Solving Problems with Your Computer
Troubleshooting Techniques
106 Reference Guide
If you want to go back to using the touch pad, you must standby or shut down the
computer before you detach the mouse.
If the embedded numeric keypad doesn’t work
= Make sure Num Lock is on—that you have pressed Fn+F8 to activate the numeric
keypad and that you have pressed the Lock key to turn on number lock.
= Don’t touch the touch pad while booting or resuming.
If a special feature on a PS/2 mouse doesn’t work
= Make sure you installed any drivers included with the mouse.
= Shut down and resume the computer, so that the system will detect the PS/2 mouse.
You may also want to test the keyboard and pointing devices with diagnostics. See
“Testing Hardware Operation.”
Note
Using both external and internal keyboard and pointing devices (touch pad and external
PS/2 mouse, if they do not work together as you expected please check the BIOS
settings. See “Using the BIOS Setup Utility” on page 82.
Memory problems
If a message says you are out of memory
= In Windows Help and Support, search for Memory Troubleshooter.
= If you are having memory problems running MS-DOS programs, in Windows Help
and Support search for MS-DOS Troubleshooter.
You may also want to test memory with the diagnostics. See “Testing Hardware
Operation.”
Modem problems
If the modem will not connect at 56K speed
= The host modem may not support a 56K (V.90) connection speed.
= The speed at which you connect depends on several factors, such as the current
condition of the telephone line. If you try connecting at another time, it’s possible you
may be able to connect at 56K.
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