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Hello,   Since 6 months i’ve had this problem that was making me angry every time i boot up my PC.   It says a message saying «invalid signature detected check secure boot policy in setup »   I didn’t care at the time but yesterday i tried to finally see what’s going on and tried to reset the keys and all that stuff for hours.   My PC would work if i desactiveted secure boot but i would have and EDK menu every time i wanted to boot my PC and the games i play on my PC actually requires the secure boot (VALORANT).   I tried everything Clear Cmos Jumper method everything but nothing seems to show up on my screen when i boot up.   Can someone can help me either by sending the files for a Q-Flash or help me reset my bios in any way so i can use my pc ?   PC infos :   MEDION B660M DS3H AX DDR4 / MD35266 / 10025006. ... Mehr anzeigen

Hi, I'm trying since one year to update my bios but at the last part of updating it says Oem Failed. Can someone send me the bios of it i will put every info juste below : MEDION B660M DS3H AX DDR4 / MD35266 / 10025006 Bios Date 01/19/2022 Thanks for helping. ... Mehr anzeigen