Steps
1. Remove the
2. Disconnect the battery cable from the system board.
3. Remove the
.
4. Wait for one minute.
5. Replace the
6. Connect the battery cable to the system board.
7. Replace the
.
Real Time Clock (RTC) battery reset
Press and hold the power button for 25 seconds to force Real Time Clock (RTC) battery reset.
Clearing BIOS (System Setup) and System passwords
About this task
To clear the system or BIOS passwords, contact Dell technical support as described at
NOTE:
For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
System setup
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Summary of Contents for Inspiron 7490 P115G
Page 1: ...Inspiron 7490 Service Manual Regulatory Model P115G Regulatory Type P115G001 ...
Page 49: ...Removing and installing components 49 ...
Page 50: ...50 Removing and installing components ...
Page 53: ...Removing and installing components 53 ...