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HP Recommended
hp pavilion gaming desktop TG01-2xxx

Product Number: 3Y2HBEA#UUW

System Board ID: 8906
Bios Vendor: AMI

Bios Revision: F.15

I did a stupid thing and disabled ALL USB support in BIOS.
Because of the above action now there is no keyboard or mouse that are working.

 

How do I get back into the BIOS to undo the USB setting and enable all USB?
I have tried to remove the cmos-battery on the motherboard - waited 10 minutes - removed the ssd-disk and booted the machine -- but still no keyboard support.

Are there any way to reset BIOS to factory setting with some jumpers or something on the motherboard?
Or are there any other solution?

Or are the computer a brick now?

 

Please help

/beppe

 

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Hi @Beppe_swe 

 

You shut down the PC. Disconnected the PC from AC power.

 

Then depressed the power button to drain residual power from the MB.

 

You then removed the CR2032 MB battery for 10 minutes.

 

These actions should reset CMOS to factory settings.

 

I can't locate any HP images of the Erica6 MB. Check the MB for CMOS reset jumpers. The PCB silkscreen should identify the CMOS jumpers. The jumpers should be located near the CMOS battery and the BIOS chip.

 

Try a CMOS reset using the CMOS reset jumpers if possible. But, removing the CMOS battery should also reset CMOS.

 

The MB could be in trouble if you cannot reset CMOS.

 

Regards

View solution in original post

3 REPLIES 3
HP Recommended

Hi @Beppe_swe 

 

You shut down the PC. Disconnected the PC from AC power.

 

Then depressed the power button to drain residual power from the MB.

 

You then removed the CR2032 MB battery for 10 minutes.

 

These actions should reset CMOS to factory settings.

 

I can't locate any HP images of the Erica6 MB. Check the MB for CMOS reset jumpers. The PCB silkscreen should identify the CMOS jumpers. The jumpers should be located near the CMOS battery and the BIOS chip.

 

Try a CMOS reset using the CMOS reset jumpers if possible. But, removing the CMOS battery should also reset CMOS.

 

The MB could be in trouble if you cannot reset CMOS.

 

Regards

HP Recommended

Yes - remove the motherboard-battery (cmos battery) is the trick here!

 

I previously removed the battery AND the ssd-disk ( I assumed to force it into bios if nothing to boot on ) - but without ssd it showed a "BIOS"-like dialog page where the keyboard is not working even with usb-enabled and a working usb-keyboard!

When I put the ssd back and rebootee I was enable to access BIOS with F10!

Thanks for your reply!

 

HP Recommended

Hi @Beppe_swe 

 

Good to see you recovered USB support.

 

Disconnecting the system disk should not affect USB function. You would normally get a "no boot disk detected error".

 

Very good. Your PC is not a paperweight.

 

Regards

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