Do I need to reinstall Win 7 after replacing motherboard and cpu?

Do I need to reinstall Win 7 after replacing motherboard and cpu? Ihave heard that you can do a repair or upgrade to avoid reinstalling all my files
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  1. Hi spinker and welcome to THG.

    In some cases u don't need do anything since the OS load the necessary files for the upgrades that u did. Few months ago I changed my mobo for a new one and I haven't to re-install or repair the OS just boot up without problems.
  2. You might need to reinstall all your drivers,

    when I created a new computer my graphics card was completely unsupported (ati 4870HD) until I installed the drivers, the screen resolution was limitied to" 640x480 256 colours"

    My LAN card was also unsupported, required drivers to connect to my router

    but when I fresh installed windows 7 on a formated hard drive I didn't have that same problems, auto detect internet and graphics card, the drivier data I think is stored in the motherboard ROM

    I had a similar situation on my old computer
  3. Yes I dib get my answers.

    After installing a new cpu, motherboard and ram. Windows 7 pro 64 Windows 7 reinstalled flawlessly very interesting to watch the progress as WIN y went about finding all the new drivers and files to complete the installtion. We dod not have to do a repair just had to confirm with Windows ownership of program and had to also reinstate ownership of Microsoft Flight Simulator supplying keys.
    Went like a breeze.

    Larry System
    Win 7 Pro 64 bit
    Intel Core i7-960 new
    Motherboard: Gigabyte GA-X58A-UD3R new
    Nvidea GeForce GTX 285--Nvidia Driver: 258.96 installed a month ago
    RAM G.SKILL PI Series 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 new
    Western Digital 320GB 7200 RPM 16MB Cache SATA 3.0Gb
    Western Digital Raptor WD1500ADFD 150GB 10000 RPM 16MB Cache SATA 1.5Gb
    Power Supply: Corsair 750 watt
    Case: Thermaltake M9
  4. May or may not. But the first boot will take some time like it might say getting devices ready or stuff.
  5. i recommend to do fresh installation because it will load necessary drivers and also u will get rid off previous installed driver which is unnecessary.
  6. ^ happens automatically
  7. Windows should find the drivers automatically, well it did for me, and usually has in the past, except for Vista, (which was about as much use as a one legged man in an arse kicking competition).
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