How to re-install BIOS on SONY VAIO VPCF23N1E

June 25, 2015 at 05:32:09
Specs: Windows 7 H.Premium
hi, A usb device was plugged into usb3.0 no#1 and subsequently my keyboard only half works, and windows starts flickering,. if left for any period of time. it then became worse as the days went on. my bios goes crazy upon windows 7 start-up.? and the machine crashed to a blue error msg screen indicating a usb driver problem.! i have re-installed the drivers and they are sying they're working properly. but keyboard still not working.? , even in bios.? i'm having to use on screen keyboard.! Lol. any help adv. would be gr8ly appreciated. thx

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June 25, 2015 at 05:58:57
try another keyboard plugged in and if that fixes problem the one on the laptop has something wrong with it.sometimes you can clean them if you spilled something in it but often just replace it


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