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Windows doesnt recognize new CPU

alexK2016
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I had a core 2 duo in my pc (i know its old) and i got a core 2 quad for a little performance boost because it uses the same socket so i didnt have to get a new motherboard (i checked and the chipset supports the quad). the box judt came in the mail and i installed the cpu and turned the pc on (the first time i turned it on after installing i forgot the 4-pin cpu power connector in case that might be part of the problem). now windows still shows the core 2 duo as the cpu, but cpu-z actually shows the core 2 quad. also cpu-z shows that i only have to cores wich isnt the case with the core 2 quad. does anyone know what the problem might be? do i need to reinstall windows? maybe its a driver update that just came to my mind while typing this im gonna try it out if it doesnt help i hope one of you guys can tell me.

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Windows 10? If so, reboot your computer (full restart, no shutdown).

PC Specs - AMD Ryzen 7 5800X3D - MSI B550M Mortar - 32GB Corsair Vengeance RGB DDR4-3600 @ CL16 - ASRock RX7800XT - 660p 1TBGB & Crucial P5 1TB - Fractal Define Mini C - CM V750v2 - Windows 11 Pro

 

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7 minutes ago, NelizMastr said:

Windows 10? If so, reboot your computer (full restart, no shutdown).

did that before but it didnt work somehow. i deinstalled the cpu in the device manager and the new cpu showed up after a restart. but still thank you

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17 minutes ago, alexK2016 said:

I had a core 2 duo in my pc (i know its old) and i got a core 2 quad for a little performance boost because it uses the same socket so i didnt have to get a new motherboard (i checked and the chipset supports the quad). the box judt came in the mail and i installed the cpu and turned the pc on (the first time i turned it on after installing i forgot the 4-pin cpu power connector in case that might be part of the problem). now windows still shows the core 2 duo as the cpu, but cpu-z actually shows the core 2 quad. also cpu-z shows that i only have to cores wich isnt the case with the core 2 quad. does anyone know what the problem might be? do i need to reinstall windows? maybe its a driver update that just came to my mind while typing this im gonna try it out if it doesnt help i hope one of you guys can tell me.

i just had to deinstall the cpu in the device manager and after it restarted the new cpu showed up

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