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SSD Disk Space Used Up 16GB Overnight

I've got a Samsung 850 evo 250gb ssd and yesterday I had around 184gb but it has gone down to 168gb. I tried using ccleaner but that cleared up only 1gb and I've also tried disk cleanup but that was only able to free up 62mb of space. How would I get this space back?

Side note, I use Windows 10.

Image: https://imgur.com/a/n4Uqi
Reply to Thisguyneedshelp123
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More about ssd disk space 16gb overnight
  1. Before trying to clean, you need to determine why and what.

    Install and run WinDirStat. Run as Administrator.
    This may help discover what is using your drive space.
    Reply to USAFRet
  2. RUN Winderstat to see what storage issue there might be , it will show you what is taking up the space.
    Reply to SR-71 Blackbird
  3. Download and install WinDirStat and analyze your SSD. That will tell you exactly what is taking up space. It could be a page file (which you can move to a different drive) or a hibernate file, which needs to stay on the OS drive.
    Reply to mjslakeridge
  4. the other thing did you made a virus scan in case .
    Reply to scout_03
  5. USAFRet said:
    Before trying to clean, you need to determine why and what.

    Install and run WinDirStat. Run as Administrator.
    This may help discover what is using your drive space.
    SR-71 Blackbird said:
    RUN Winderstat to see what storage issue there might be , it will show you what is taking up the space.

    mjslakeridge said:
    Download and install WinDirStat and analyze your SSD. That will tell you exactly what is taking up space. It could be a page file (which you can move to a different drive) or a hibernate file, which needs to stay on the OS drive.

    https://imgur.com/9m4y5zy

    Thanks for the quick feedback. So this is what I got, it turned out to be a hiberfil.sys and pagefil.sys taking up 9.8gb. The "Application" (green) are some nvidia driver updates I did couple months back before this issue occurred. The "Application extension" is something I'm sure I shouldn't be messing withs. In the "ESD File" there is a Install.esd that takes up 3gb but don't think I should delete that either.
    Reply to Thisguyneedshelp123
  6. scout_03 said:
    the other thing did you made a virus scan in case .
    I did run a malwarebytes scan for the entire C: drive but nothing turned up.
    Reply to Thisguyneedshelp123
  7. Best answer
    Thisguyneedshelp123 said:
    USAFRet said:
    Before trying to clean, you need to determine why and what.

    Install and run WinDirStat. Run as Administrator.
    This may help discover what is using your drive space.
    SR-71 Blackbird said:
    RUN Winderstat to see what storage issue there might be , it will show you what is taking up the space.

    mjslakeridge said:
    Download and install WinDirStat and analyze your SSD. That will tell you exactly what is taking up space. It could be a page file (which you can move to a different drive) or a hibernate file, which needs to stay on the OS drive.

    https://imgur.com/9m4y5zy

    Thanks for the quick feedback. So this is what I got, it turned out to be a hiberfil.sys and pagefil.sys taking up 9.8gb. The "Application" (green) are some nvidia driver updates I did couple months back before this issue occurred. The "Application extension" is something I'm sure I shouldn't be messing withs. In the "ESD File" there is a Install.esd that takes up 3gb but don't think I should delete that either.



    $Windows.~BT is the issue. 23.3GB
    You recently did a major Windows update? That folder is the remnants of that 'Update'.

    Run Disk Cleanup, and find the function for "Previous Windows installations"
    Reply to USAFRet
  8. https://www.disk-partition.com/windows-10/ssd-optimization-windows-10-4348.html
    SSD TWEAKS and TIPS.
    Reply to SR-71 Blackbird
  9. I don't see a "Previous Windows installation(s)" option but I do see Temporary Windows installation files which I did removed (contained 23.3gb) and that did free up 11gb of space oddly even though 23.3gb was supposed to be removed but that's fine with me. Thanks!
    Reply to Thisguyneedshelp123
  10. Keep WinDirStat installed if you can. From time to time my main OS drive gets close to being filled up, and it is usually some large temp files.
    Reply to mjslakeridge
  11. mjslakeridge said:
    Keep WinDirStat installed if you can. From time to time my main OS drive gets close to being filled up, and it is usually some large temp files.
    For that I usually run CCleaner but I will keep it in case I might need it in the future if a similar issue occurs again.
    Reply to Thisguyneedshelp123
  12. You can also delete Hiberfil.sys. It's a pc, you have absolutely no need for hibernation as that's a laptop application. The other thing hiberfil.sys messes with is fastboot. If you just have to have those extra few seconds, then keep it, otherwise it's pretty useless. Hiberfil.sys uses @75% of your ram size straight off the top of C drive, whether it's turned off or not. If you have 16Gb of ram, it'll appropriate @12Gb automatically, and there's no way to get that back without deleting hiberfil.
    Reply to Karadjgne
  13. Karadjgne said:
    You can also delete Hiberfil.sys. It's a pc, you have absolutely no need for hibernation as that's a laptop application. The other thing hiberfil.sys messes with is fastboot. If you just have to have those extra few seconds, then keep it, otherwise it's pretty useless. Hiberfil.sys uses @75% of your ram size straight off the top of C drive, whether it's turned off or not. If you have 16Gb of ram, it'll appropriate @12Gb automatically, and there's no way to get that back without deleting hiberfil.


    Thanks for the info, but I think I'll keep it if it does speed up the boot for this computer.
    Reply to Thisguyneedshelp123
  14. It does. All of several seconds.
    Reply to Karadjgne
  15. Thisguyneedshelp123 Personally, I always disable hibernation via an elevated privilege command line. However, why don't you simply test it: Time how long a reboot or cold start takes, then disable hibernation and do the same.

    Run command prompt as an administrator
    <type>powercfg.exe /hibernation off<enter>

    * If after hitting enter, you'll receive a carriage return with a blinking cursor, then the command was successful.
    ! If you turn off hibernation through the GUI, the hiberfil.sys file will remain. Turning it off through the command line will automatically remove it.
    Reply to rcald2000
  16. What hiberfil.sys (fastboot) does is at shutdown, it stores every driver etc that's in ram onto the ssd in that untouchable section. Then at boot it just loads what you ran prior. If there's an issue forcing a reboot, that idea gets scrapped and you do 's regular boot, same as a reset. With an SSD, loading previous drivers and loading new drivers is almost the same thing. It's handy for laptops, especially those on hdd, but for a pc, you really don't need the hassle. Many ppl have issues with driver conflicts with fastboot, so it's generally a proscribed fix. Also saves a lot of writing to ssd as you aren't saving all that info from ram at shutdown. It can be important space management for those with 120Gb and smaller SSDs and 16Gb of ram as hiberfil.sys basically partitions 12Gb of ssd space right out of use.
    Reply to Karadjgne
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