Hard drive not detected when installing Win7 but it shows in BIOS


  1. msmoorad
    Posts : 5
    Windows 7 32bit build 7600
       New #1

    Hard drive not detected when installing Win7 but it shows in BIOS


    i have a Dell Optiplex 9020. it came without a hard drive & i installed a 1TB SATA HD but im having a problem installing Win 7 32bit.

    The Win7 is on a USB flash drive. when i try to install it, it shows NO Hard Drive detected but in the BIOS settings, the HD does appear.

    i have tried the "list Disc" option using the command prompt but that only shows the USB flash drive.
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  3. iko22
    Posts : 2,798
    Windows 7 x64, Vista x64, 8.1 smartphone
       New #2

    Hi msmoorad

    Perhaps you not formatted the hard drive? You should choose format drive first, before initiating the Windows 7 installation
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  4. Paul Black
    Posts : 6,021
    Win 7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
       New #3

    Hi msmoorad,

    This might be of use: hard drive not detected during Windows installation

    Did you format the HDD BEFORE you tried installing Windows?

    I hope this helps!
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  6. msmoorad
    Posts : 5
    Windows 7 32bit build 7600
    Thread Starter
       New #4

    fixed: it appears my hard drive is faulty- i never even thought of that as its a fairly new drive-hardly used it but when i connected an older 320gb drive, it was detected & windows installed.

    then i connected the 1Tb drive to another pc and it was also not detected- so it seems its the hard drive.

    thanks for replying though.
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  7. Paul Black
    Posts : 6,021
    Win 7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3
       New #5

    You are very welcome msmoorad, I am glad you have sorted it out!
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