Windows 8 and 8.1 Forums


Optimize Drives - Defrag HDD and TRIM SSD in Windows 8

  1. #20


    Posts : 22,582
    64-bit Windows 10


    I usually set all my maintenance schedules to run when I know I'll be on the computer in the morning when I'm just doing my routine stuff before getting busy.

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  2. #21


    Posts : 562
    W10 x64 pro and W8.1 x86


    That sounds like a plan I tend to leave mine on while having breakfast and that's when it always seems to run automatically. As soon as its left alone (no keys pressed, no cursor movement) is when it starts.

    OK, so from all you've mentioned on this I think that it probably knows what its doing and so I'll sit it out for some time and see what develops. And thanks for the info on it all.
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  3. #22


    Posts : 22,582
    64-bit Windows 10


    You're most welcome. Please let us know how it goes.
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  4. #23


    Posts : 562
    W10 x64 pro and W8.1 x86


    Well I'm now over two weeks in and I relented and ran optimise manually as nothing was reported as having happened.

    I don't really think there is a problem as such, but it is difficult to know just what is going on. Running optimise on all the partitions was completed in around 1 second for each. Does that sound right ? I could see a progress count of 'Trim 20%, 30%, 60% etc' but it really was all over in a second or so. The C drive was actually the quickest to do, the others that in reality see little change were the slowest, slowest being a relative term though.

    I also observed a rather strange effect a few days ago that makes me think that the drive is doing 'something' on its own as regards maintenance, and it was this... I moved 6 files totalling around 120mb from a USB stick to my documents folder, and I found the free space on C had suddenly jumped up by around 0.7Gb

    Click image for larger version
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  5. #24


    Posts : 22,582
    64-bit Windows 10


    Hello Mooly,

    SSDs today have a built-in garbage collection feature that helps keep them optimized, so it usually doesn't take long at all to TRIM a SSD in Windows.
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  6. #25


    Posts : 562
    W10 x64 pro and W8.1 x86


    Thanks Shawn. I guess at the end of the day its all working fine despite Windows not doing what I would expect and updating the schedule.
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  7. #26


    Posts : 14
    Windows 8.1 64-bit


    I just discovered that the built-in defrag does not work very well, whether I let it defrag on schedule or manually. Sometimes, the system still slows down, and does better only when I use a third-party defrag program, and do a boot defrag.

    Interestingly enough, similar takes place even for HDs containing data. For example, I am currently using an SSD for the boot drive, so there are no more problems with a system slowdown, but I use an internal HD to burn large videos to DVDs. I routinely copy videos to the HD, burn them, delete them, then clear the recycle bin. At some point, verification errors begin to pop up after burning a DVD. It happens with the second and third disks, using disks from another tumbler, and other video files selected. It doesn't matter if I optimize the HD using the built-in Windows defrag and boot the system several times.

    It's only when I defrag the HD using another program does the problem disappear.
      My System SpecsSystem Spec

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