Chapter 7. Troubleshooting, Diagnostics, And Recovery; Basic Procedure For Resolving Computer Problems; Troubleshooting; Startup Problems - Lenovo ThinkStation P410 Hardware Maintenance Manual

Chapter 7. Troubleshooting, diagnostics, and recovery

This chapter provides solutions to resolve your computer problems. Follow the steps in the basic procedure
for resolving computer problems, which helps you make good use of the troubleshooting, diagnostics,
and recovery information.
• "Basic procedure for resolving computer problems" on page 75
• "Troubleshooting" on page 75
• "Diagnostics" on page 83
• "Recovery information" on page 84

Basic procedure for resolving computer problems

It is recommended that you use the following procedure to resolve computer problems you are experiencing:
1. Ensure that:
a. The cables for all connected devices are connected correctly and securely.
b. All connected devices that require ac power are connected to properly grounded, functioning
electrical outlets.
c. All connected devices are enabled in the BIOS settings of your computer. Refer to "Enabling
or disabling a device" on page 64.
If these actions do not resolve your problem, continue with the next step.
2. Use an antivirus program to see if your computer has been infected by a virus. If the program detects
a virus, remove the virus. If the antivirus program does not resolve your problem, continue with the
next step.
3. Go to "Troubleshooting" on page 75 and follow the instructions for the type of problem you are
experiencing. If these troubleshooting instructions do not resolve your problem, continue with the
next step.
4. Run the diagnostic program. Refer to "Diagnostics" on page 83. If the diagnostic program does not
resolve your problem, continue with the next step.
5. Recover your operating system. Refer to "Recovery information" on page 84.
6. If none of these actions solve your problem, contact the Lenovo Customer Support Center. For a list of
Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone. For more information
about help, service, and technical assistance, refer to Chapter 10 "Getting information, help, and
service" on page 177.

Troubleshooting

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Use the troubleshooting information to find solutions to problems that have definite symptoms.

Startup problems

The computer does not start up when you press the power button.
Solutions:
Ensure that:
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