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- Z800 Bios update - please help

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09-17-2017 02:23 AM
OK. I searched for the reset button on the motherboard (SW50 - which I reset a few times in succession for security).
Now the Power-On BIOS is working again, HP has to deal with the BIOS software problem:
DOES NOT reset all values to the default !
Thanks Alexanderhernan.
PS Now I have a small problem with connections Audio Front ... hope sow fix soon.
09-17-2017 05:55 AM
Yes, Here is the motherbioard diagram.
#12 is the location of the "clear CMOS button".
Here is a link to the manual with instructions.
https://www.manualslib.com/download/690474/Hp-Z800.html
Also you want to make sure your motherboard battery is good.
Not a bad idea to replace your battery if it is old. Using a bad battery can cause all kinds of bios problems.
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