Chapter 4. Troubleshooting And Diagnostics; Basic Troubleshooting - Lenovo NetVista A40 Quick Reference

Chapter 4. Troubleshooting and diagnostics

If you are having a problem with your computer, this chapter describes some
basic troubleshooting and diagnostic tools. If your computer problem is not
described here, see Access IBM on your desktop for more detailed
troubleshooting information.

Basic troubleshooting

Symptom
The computer does not
start when you press the
power button.
The monitor screen is
blank.
© Copyright IBM Corp. 2001
Action
Verify that:
v The power cord is plugged into the rear of the computer
and into a working electrical outlet.
v If your computer has a secondary power switch on the
back of the computer, ensure that it is switched on. Check
the power indicator on the front of the computer to ensure
that the power is on.
If you cannot correct the problem, have the computer
serviced.
Verify that:
v The monitor cable is securely attached to the rear of the
monitor and to the rear of the computer.
v The monitor power cord is plugged into the monitor and
into a working electrical outlet.
v The monitor is turned on, and the brightness and contrast
controls are set correctly.
v The monitor signal cable is securely connected to the
monitor and to the monitor connector on the computer.
Note: If your computer has two monitor connectors, verify
that your monitor is connected to the one in the AGP option
slot rather than the one in the rear of the system board. See
"Chapter 2. Setting up your computer" on page 5.
If you cannot correct the problem, have the computer
serviced.
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