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Clearing NVRAM

The instructions and jumper names differ by system type. But read through these to get the idea.

Alienware Aurora CMOS Reset
* Turn the Aurora off
* Remove the left side-panel
* Locate the 3-pin CMOS reset jumper on the motherboard
* Remove the jumper plug from the CMOS reset jumper pins 2 and 3
* Place the jumper on pins 1 and 2 and wait 10 seconds
* Replace the jumper pins 2 and 3
* Replace the left side-panel
* Turn the Aurora on
* If the Aurora still does not post, a motherboard replacement will be necessary

Clearing NVRAM using the motherboard jumper:
* Power the PC off
* Disconnect the PC power cord from the rear of the PC
* Remove the computer cover
* Move the RTCRST (Clear CMOS) jumper from pins 1/2 and place it on pins 2/3
* Press the PC power button
* Move the jumper back to pins 1/2
* Replace the power cord and cover and then power the PC on

* Disconnect the computer power cable from the electrical outlet, and then press the power button to ground the system board
* Remove the computer cover
* Locate the 2-pin CMOS jumper (CLRCMOS/RTCRST) on the system board
* Remove the jumper from the password jumper (CLRPSWD) pins 1 and 2
* Place the jumper on the CMOS jumper (CLRCMOS/RTCRST) pins 1 and 2 and wait approximately 5 seconds
* Remove the jumper and replace it on the password jumper (CLRPSWD) pins 1 and 2
* Close the computer cover
* Power on the PC

* Turn off the computer and disconnect the power cable from the rear of the computer
* Remove the computer cover
* Locate the password (PSWD) and CMOS (RTC_RST) jumpers on the motherboard
* Remove the jumper plug from the PSWD pins
* Place the jumper on the RTC_RST pins and wait approximately 5 seconds
* Put the jumper back on the PSWD pins
* Close the computer cover
* Connect your computer and devices to electrical outlets and turn them on. Boot into windows and try the Bios update again

* Power off
* Remove the computer cover
* Locate the password (PASSWORD) and CMOS (RTCRST) jumpers on the motherboard
* Remove the password jumper plug, and then place it on the CMOS jumper pins and wait approximately 5 seconds
* Remove the jumper plug from the CMOS jumper pins, and then reinstall the plug on the password jumper pins
* Close the computer cover

Reset the BIOS using the System Setup:
* Restart the PC
* Watch the keyboard lights. When they flash, tap the F2 key
* The message, Entering Setup should appear
* Down arrow to Maintenance
* Choose Load Defaults
* Click Continue - Restore factory defaults
* Choose Save- Continue- OK

(2nd way)
* Restart the PC
* Watch the keyboard lights. When they flash, tap the F2 key or the Delete key
* The message, Entering Setup should appear
* When the System Setup screen appears, press the F9 key
* Press the Enter key to confirm that you would like to load the defaults
* Right arrow over to Advanced
* Down arrow to Peripheral Configuration press Enter
* Ensure that all USB listings are set to Enabled or On except for USB Emulation which should be set for NO BOOT
* Press the F10 key to Save your changes
* Right arrow to Exit
* Down arrow to Exit Saving Changes and press Enter


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