MSI Black Screen - B85 Bios

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Guest

Guest
have a b85 Barebone nightblade i bought arrived yesterday ,

everything working fine, so last night i M-flash updated the bios to v290 on the MSI site

no problem was working fine today restarted at least 2x times no problem,

but noticed alot of the gaming apps were missing from the liveupdate that i had yesterday so i went to revert back to V260 on MSI , using M-Flash

after it finished, nothing

just a black screen for hours it doesnt boot into bios screen or boot to windows?

have no idea what went wrong, ive removed the graphics card, tried clear cmos, even put the update file on UBS and leave it on for a hour or 3 and nothing computer just switches off after awhile,


 
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Guest

Guest




clear bios button at rear, turn off power, press power button to drain , hold cmos for 5-10 secs