Question How to reset notebook bios with motherboard without jumper and clear cmos battery?

[marceloverclock]

How to reset the bios on a notebook motherboard that has neither jumper nor battery for clear CMOS? The motherboard is similar to a tablet or cell phone board, attached to the notebook housing.

https://imgur.com/a/qsAd9s3

View: https://imgur.com/a/qsAd9s3

 

[geofelt]

The battery is to preserve settings when there is no power.
If you disconnect the battery for a moment, that should reset the bios.
Are you sure that is what you want to do?
The unit manual may have a software method that is less intrusive.

 

[marceloverclock]

The battery is to preserve settings when there is no power.
If you disconnect the battery for a moment, that should reset the bios.
Are you sure that is what you want to do?
The unit manual may have a software method that is less intrusive.

friend, thank you for the answer, but, I've already done it, without success, I left the battery disconnected from the motherboard two days straight, I even "closed short" between the positive and negative poles of the motherboard with the battery disconnected to "drain" all energy from the spare board, without success, the type of memory in this BIOS is different from the others, It does not need electrical power to keep the data recorded, it is similar to the memory contained in pen drives.

 

[Hotrod2go]

Can you obtain the technical manual for this notebooks board? should be some info in there to tell you how & if you can clear the CMOS.

 

[marceloverclock]

There is no advanced information on this subject, other than the tip to press Power for 15 seconds, but it doesn't work.