Lenovo ThinkCentre M70z Kullanıcı Kılavuzu - Sayfa 35

Masaüstü Lenovo ThinkCentre M70z için çevrimiçi göz atın veya pdf Kullanıcı Kılavuzu indirin. Lenovo ThinkCentre M70z 50 sayfaları. Machine type: 7570, 7577, 7578, 7580, 7583, 7584, 7589, 7594, 7595, 7597, 7598
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Lenovo ThinkCentre M70z Kullanıcı Kılavuzu

Chapter 6. Troubleshooting and diagnostic programs

This chapter provides information about some basic troubleshooting and diagnostic programs. If your
computer problem is not described in this chapter, see Chapter 7 "Getting information, help, and service" on
page 31 for additional troubleshooting resources.
This chapter contains the following topics:
•
"Basic troubleshooting" on page 27
•
"Diagnostic programs" on page 28
•
"Cleaning an optical mouse" on page 29

Basic troubleshooting

The following table provides some basic information to help you troubleshoot your computer problems.
Note: If you cannot solve the problem after doing the basic troubleshooting, have the computer serviced.
Refer to the ThinkCentre Safety and Warranty Guide that came with your computer for the safety and
warranty information and the list of service and support telephone numbers. You can also get the latest
service and support telephone numbers and a PDF version of the ThinkCentre Safety and Warranty Guide
from the Lenovo Support Web site at:
http://www.lenovo.com/support
Symptom
The computer does not start
when you press the power
switch.
The monitor screen is blank.
The USB or PS/2 keyboard does
not work.
© Copyright Lenovo 2010
Verify that:
• The power cord is correctly connected to the rear of the computer and to a
working electrical outlet.
• The power indicator on the front of the computer is on.
• The computer voltage matches the voltage available at the electrical outlet for
your country or region.
Verify that:
• The power cord is correctly connected to the rear of the computer and to a
working electrical outlet.
• The computer voltage matches the voltage available at the electrical outlet for
your country or region.
• The brightness and contrast controls are set correctly.
Verify that:
• The computer is turned on.
• The keyboard is correctly connected to an appropriate keyboard connector (the
PS/2 keyboard connector or one of the USB connectors) on the computer.
• No keys are stuck.
Action
27