Symptom | Action |
|
|
The USB Keyboard does not | Verify that: |
work. | • The computer is turned on. |
| |
| • The keyboard is securely connected to a USB connector on the front or rear |
| of the computer. |
| • No keys are stuck. |
| 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 mouse does not work. The | Verify that: |
computer does not respond to |
|
the mouse. | • The computer is turned on. |
| • The mouse is securely connected to the mouse connector on the computer. |
| • The mouse is clean. Refer to “Cleaning an optical mouse” on page 30 for further |
| information. |
| 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 operating system will not | Verify that: |
start. | • There is no diskette in the diskette drive. |
| |
| • The startup sequence includes the device where the operating system resides. |
| Usually, the operating system is on the hard disk drive. For more information, |
| see “Selecting a startup device” on page 19. |
| 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 computer beeps multiple | Verify that no keys are stuck down. |
times before the operating |
|
system starts. | 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. |
|
|
Diagnostic programs
Diagnostic programs are used to test hardware components of your computer. Diagnostic programs can also report
Depending on the preinstalled operating system and the date when your computer was manufactured, Lenovo provides one of the following diagnostic solutions:
•Lenovo Solution Center (used when the Windows operating system is running normally)
•Lenovo ThinkVantage Toolbox (used when you are running the Windows operating system)
•
Notes:
1.You can also download the