SSD hard drive do i use Sata as IDE or AHCI in Bios


  1. sam49
    Posts : 140
    Windows 7 Professional 64 Bit
       New #1

    SSD hard drive do i use Sata as IDE or AHCI in Bios


    Hi Guys
    I have just fitted a SSD drive in my computer windows 7 64 bit system, when I installed windows onto the new SSD I just unplugged my old hard drive and fitted the SSD and just installed windows 7 and all worked ok.
    But after the new install was working I was told I needed to make a change in the BIOS to alter the settings from treat Sata as IDE to treat Sata as AHCI.
    I did this and all was ok with the new drive the installation worked and the new drive is running ok.
    But now I have since read that I should have made the bios change before installing windows nad should not be done after the install,
    So do I need to reinstall windows 7 with the bios changes to treat sata as AHCI before I install or will it work ok it seems to be ok but im not sure now.
    I was also under the impression that I could still have my old hard drive fitted and just select the hard drive I wanted to boot from as the computer started, I wanted to do this so I could still has access to all my old stuff if I needed it.
    But now my old hard drive will not boot until I change the Bios back to treat Sata as IDE, so is this not going to work or will I have to change the bios each time I need access to my old drive.
    Also I have an Asus P6T SE motherboard so can I plug the SSD into any Sata port or is it better to plug it into number 1 if so how do I find which one is number one.
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  3. strollin
    Posts : 3,371
    W10 Pro desktop, W11 laptop, W11 Pro tablet (all 64-bit)
       New #2

    See this tutorial: AHCI : Enable in Windows 7 / Vista
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  4. Solarstarshines
    Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       New #3

    Follow this and you will be set AHCI : Enable in Windows 7 / Vista

    +1 Strollin
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  6. bigmck
    Posts : 4,751
    Windows 7 Home Premium 32-Bit - Build 7600 SP1
       New #4

    sam49 said:
    Hi Guys
    I have just fitted a SSD drive in my computer windows 7 64 bit system, when I installed windows onto the new SSD I just unplugged my old hard drive and fitted the SSD and just installed windows 7 and all worked ok.
    But after the new install was working I was told I needed to make a change in the BIOS to alter the settings from treat Sata as IDE to treat Sata as AHCI.
    I did this and all was ok with the new drive the installation worked and the new drive is running ok.
    But now I have since read that I should have made the bios change before installing windows nad should not be done after the install,
    So do I need to reinstall windows 7 with the bios changes to treat sata as AHCI before I install or will it work ok it seems to be ok but im not sure now.
    I was also under the impression that I could still have my old hard drive fitted and just select the hard drive I wanted to boot from as the computer started, I wanted to do this so I could still has access to all my old stuff if I needed it.
    But now my old hard drive will not boot until I change the Bios back to treat Sata as IDE, so is this not going to work or will I have to change the bios each time I need access to my old drive.
    Also I have an Asus P6T SE motherboard so can I plug the SSD into any Sata port or is it better to plug it into number 1 if so how do I find which one is number one.
    Those SSD's are great aren't they. -- I believe there are some guys on here who kept theirs set at IDE and it is fine. If yours is working, I wouldn't worry about it now that you have changed it. -- When I made my switch to a SSD, I kept my Windows on the HDD for about a month to make sure I didn't have anything I forgot to transfer. You don't need to boot to the HDD to get any files you need. Boot from the SSD and you can still access the HDD and move any files that you need. == Do go through the tutorial as was suggested above. It will answer all of your questions. Thanks,
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  7. sam49
    Posts : 140
    Windows 7 Professional 64 Bit
    Thread Starter
       New #5

    hi guys i have had a look at the link and as soon as i get the time i will give it a go.

    Thanks guys
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