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  1. #1
    Member Godzilla's Avatar
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    May 2003

    format after installing a new cpu?

    do you have to format/reinstall windows if u swap out JUST a cpu?
    Case: Antec 1200
    Motherboard: Asus Rampage II Extreme
    CPU: Core i7 960 @ 4GHz (160x25)
    Cooler: Corsair H70 (Push/Pull)
    RAM: 12GB Corsair XMS3 1600MHz 9-9-9-24-2T 1.65v
    SSD: OCZ Agility 2 120GB
    Hard Drives: 2 x 1TB Samsung 7200rpm
    Graphics Card: EVGA GTX 970 SC 4GB
    Sound Card: SupremeFX X-Fi
    Power Supply: Cooler Master 1000W
    Optical Drives: LG Blu-Ray RW & Pioneer DVD-RW
    OS: Windows 10 Pro (64-bit)

  2. #2
    Member shant's Avatar
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    Nov 2010
    nop, you don't need to when you change any of the hardware, but i usually do it when i change the board to make sure all old chipset drivers etc are clean, but for cpu no, not needed
    3770k l 4.5Ghz l 1.26vcore
    Maximus V Extreme
    2x2GB Patriot Sector 5 2133Mhz+2x2 2400mhz,all running @ 1866mhz
    2x WD Caviar Black 64mb/1TB(raid 0) + 32GB intel 520 msata ssd caching
    Evga Gtx 460 ee
    Xfx 650W psu Black Edition

  3. #3
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    EarthDog's Avatar
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    Dec 2008
    Cbus Ohio
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  4. #4
    Glorious Leader I.M.O.G.'s Avatar
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    Nov 2002
    Rootstown, OH
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    If you change motherboards and it is a different chipset, a format could be needed. Instead you could sysprep the install to prepare it, or manually remove the chipset driver.

    For the processor, it is just a drop in upgrade with nothing else necessary. Depending on your motherboard, less often, you may need a BIOS update to support newer processors properly.

  5. #5
    Join Date
    May 2011
    Amsterdam, Holland
    Funny, I recently replaced the mainboard for the p8p67. Former board was asus p5qc.
    Now due to a cpu that appeared to run hot in bios, I decided to boot from the sata drive with win7 on from the previous board and check with some programs for temps and voltages etc.. After some struggling I got to the desktop, eventually most new hardware adjusted and asked for new drivers etc.
    But it leaves quite a mess on your system in this case. Needless to say when I found all hardware appeared to be installed correctly I did a clean install.

    As said by others, replacing the cpu requires no reinstall or anything similar.
    You can run it with the new speed without a problem.

    It's only with videocards problems could arise, mainly because of drivers that tend to stick, or create conflicts like when going from nvidia to ati/amd or viceversa.
    And ofcourse mainboards. Due to the different chipsets etc.

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