Lenovo ThinkPad T410 2518 User Manual page 18

To run PC-Doctor, do as follows:
1. Turn off the computer, and then turn it on again.
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2. When the ThinkPad logo comes up, immediately press the ThinkVantage
button. The Rescue and Recovery workspace opens.
3. Click Diagnose hardware.
For more information about PC-Doctor, see the Help for the program.
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ThinkPad T410s, T410, T510, and W510 Service and Troubleshooting Guide