Clearing CMOS settings
1 Ensure the computer has been powered down.
2 Plug the power adapter into the computer and ensure that there is power
supplied to the computer via the adapter.
3 Press and hold the power button for 25 seconds to perform Real Time Clock
(RTC) battery reset.
4 Release the power button.
Clearing forgotten passwords
Contact Dell technical support to clear the forgotten passwords, see www.dell.com/
contactdell.
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