Symptom

Action

 

 

The keyboard does not work.

Verify that:

The computer does not respond

v The computer is turned on.

to the keyboard.

v The monitor is turned on and the brightness and contrast controls are set

 

 

correctly.

 

v The keyboard is securely connected to the keyboard connector on the front or

 

rear of the computer.

 

v No keys are stuck.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

warranty and safety information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The Enhanced Performance USB

Verify that:

Keyboard does not work.

v The computer is turned on.

 

v The keyboard is securely connected to a USB connector on the front or rear of

 

the computer.

 

v No keys are stuck.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

warranty and safety information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The mouse does not work. The

Verify that:

computer does not respond to

v The computer is turned on.

the mouse.

v The mouse is securely connected to the mouse connector on the front or rear of

 

 

the computer.

 

v The mouse is clean. Refer to “Cleaning the mouse” on page 57 for further

 

information.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

warranty and safety information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The operating system will not

Verify that:

start.

v There is no diskette in the diskette drive.

 

v The startup sequence includes the device where the operating system resides.

 

Usually, the operating system is on the hard disk. See “Selecting a startup

 

device” on page 49 for more information.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

warranty and safety information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The computer beeps multiple

Verify that no keys are stuck down.

times before the operating

If you cannot correct the problem, have the computer serviced. Refer to the

system starts.

 

warranty and safety information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

Diagnostic programs

Diagnostic programs are used to test hardware components of your computer and report operating-system-controlled settings that can cause hardware failures. There are two diagnostic programs preinstalled on your computer to help you diagnose problems:

vPC-Doctor for Windows (used when diagnosing problems while running the Windows operating system)

54User Guide

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Image 72
Lenovo 3000 J Series manual Diagnostic programs