Chapter 6. Troubleshooting and diagnostics
This chapter describes some basic troubleshooting and diagnostic programs. If your
computer problem is not described here, see Chapter 7, “Getting information, help,
and service,” on page 73 for additional troubleshooting resources.
Basic troubleshooting
The following table provides information to help you troubleshoot your computer
problem.
Symptom
Action
The computer does not start
when you press the power
button.
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,
make sure that it is switched on.
v
The power indicator on the front of the computer is on.
v
The voltage is set to the correct setting for your country.
If you cannot correct the problem, have the computer serviced. Refer to the
safety and warranty information that is provided with your computer for a list of
service and support telephone numbers.
The monitor screen is blank.
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 voltage is set to the correct setting for your country.
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 option connector rather than the one in the rear of the system
board. For more information, see "Connecting your computer" in the
ThinkCentre
Safety and Warranty Guide
.
If you cannot correct the problem, have the computer serviced. Refer to the
safety and warranty information that is provided with your computer for a list of
service and support telephone numbers.
© Copyright Lenovo 2009
67
Содержание 7515-J9U - ThinkCentre A58 Desktop PC
Страница 1: ...Machine Types 7515 7523 7569 and 7611 ThinkCentre User Guide ...
Страница 2: ......
Страница 3: ...ThinkCentre User Guide ...
Страница 8: ...vi User Guide ...
Страница 20: ...12 User Guide ...
Страница 74: ...66 User Guide ...
Страница 90: ...82 User Guide ...
Страница 91: ......
Страница 92: ...Part Number 53Y6259 Printed in USA 1P P N 53Y6259 ...