Chapter 7. Troubleshooting and diagnostics
This chapter describes some basic troubleshooting and diagnostic programs. If your server problem is not described here, see Chapter 9 “Help and service” on page 81 for additional troubleshooting resources.
This chapter provides information about the following topics:
•“Basic troubleshooting” on page 75
•
Basic troubleshooting
The following tables provide information to help you troubleshoot your server problems.
Note: If you cannot correct the problem, have the server serviced. For a list of service and support telephone
numbers, refer to the Warranty and Support Information document at: http://www.lenovo.com/support/phone
General problems
The following table describes the general problems and suggested actions to correct detected problems.
Symptom | Action |
|
|
The server does not start when | Verify that: |
you press the power switch. | • The power cord is correctly connected to the rear of the server and to a working |
| |
| electrical outlet. |
| • If your server has a secondary power switch on the rear of the server, make sure |
| that it is switched on. |
| • The power indicator on the front of the server is on. |
| • The server voltage matches the voltage available at the electrical outlet for your |
| country or region. |
|
|
The monitor screen is blank. | Verify that: |
| • The monitor signal cable is correctly connected to the monitor and to the |
| appropriate monitor connector on the server. |
| • The monitor power cord is correctly connected to the monitor and to a working |
| electrical outlet. |
| • The monitor is turned on and the brightness and contrast controls are set |
| correctly. |
| • The server voltage matches the voltage available at the electrical outlet for your |
| country or region. |
| • If your server has two monitor connectors, be sure to use the connector on |
| the graphics card. |
|
|
The operating system does not | Verify that: |
start. | • 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 69. |
|
|
The server beeps multiple times | Verify that no keys are stuck. |
before the operating system |
|
starts. |
|
|
|
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