Dell Precision 3540 Service Manual page 134

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Steps
1. Turn off your computer.
2. Disconnect the power adapter from your computer.
3. Remove the base cover.
4. Remove the battery.
5. Press and hold the power button for 20 seconds to drain the flea power.
6. Install the battery.
7. Install the base cover.
8. Connect the power adapter to your computer.
9. Turn on your computer.
NOTE:
For more information about performing a hard reset, see the knowledge base article
www.dell.com/support.
134
Troubleshooting
000130881
at

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