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BIOS problem?? after I upgrade My BIOS in HP pc-a6335.sc ,I am no longer able to use the recovery disc.It is posible to roll back the upgrade?


Answers :

Open your case look on the motherboard find what looks like a big watch battery carefully remove the battery leave it out for about a minute and put it back in. This will clear CMOS and restore BIOS to factory settings. Hope this helps
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