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I have Asus P5K SE motherboard i recently changer the CPUfrom core2quad to core2due after the change i got a message at the very beginning of the boot

"Unknown CPU detected, Bios Update is Required to Unleash it's Full Power the system will shutdown after 25 seconds".

i believe that i must do a BIOS update the problem is that i cant boot into windows or into cd rom or even flash it is not letting me to enter the BIOS setup even

how could i flash BIOS without being able boot from anything ?

Thread UPDATE: i was able to flash the latest bios without changing the CPU using the integrated ASUS flash tool , after flashing BIOS successfully and rebooting i got rid from the CPU message instead i got Image i removed all the USB devices , and the front USB wires and placed the mother board on a non metal surface but will have this USB message , any idea

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Unleash the Core 2 Quad back into the motherboard, unleash the BIOS update, unleash the Core 2 Duo. –  ta.speot.is May 31 at 9:12
    
Have you tried entering the BOIS since flashing the new version? Are you sure the version you flashed was for your make /model of motherboard? Sounds like it may not have flashed properly –  Jonny Wright May 31 at 9:50
    
no i cant enter the BIOS after flashing , yes it was for that model and from asus site , i had watched a youtube tut and the flash tool graved me o error messages –  Alexander May 31 at 13:18

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