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C Drive Full For No Reason

Post Date: 2018-08-08
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Allen1429 View Drop Down
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Posts: 8 		  Quote Allen1429 Quote  Post ReplyReply bullet Topic: C Drive Full For No Reason
    Posted: 08 Aug 2018 at 6:05pm
My C Drive is an SSD with 91 GB and it says that I only have 19 GB free. The weird thing is when I add up all the folders inside it they only add up to 20GB. I have hidden folders visible but it still doesn't add up. I even tried using programs like Windirstat and even that says I've only used 20 GB. I ran disk cleanup and deleted system restore points too. I've tried everything but can't seem to find where the extra 70 GB went. Any help is appreciated I've looked everywhere :( Thanks!!
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forrest74 View Drop Down
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Posts: 2642 		  Quote forrest74 Quote  Post ReplyReply bullet Posted: 08 Aug 2018 at 9:12pm
Allen1429,
I am not an expert so please understand that I am just guessing here. But I know that when you delete something ... It does not really delete ... Because you can go to your Recycle Bin or Trash folder and undelete files that you deleted months ago. That means your HDD is not overwriting those disk locations, so that space is not available to you. Just because YOU are not using that space with a folder or file does not mean that YOUR DISK is not using that space in case you want to undelete something.

Two thoughts:
1) Have you used a program like Crap Cleaner to clean up your disk? I believe it is called CCleaner now. Very good program and highly recommended by Those Who Know. It fixes problems like this.
2) Have you gone to your recycle bin and emptied it? Once you "empty" those files, they cannot be undeleted anymore. Seems to me that might solve your issue.

No one has answered you yet, so this is my guess at helping you until the real experts get here.

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Snaike View Drop Down
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Posts: 9462 		  Quote Snaike Quote  Post ReplyReply bullet Posted: 08 Aug 2018 at 10:19pm
Run CCleaner as forrest74 says... also Malwarebytes and whatever deep virus scan that you use.
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 09 Aug 2018 at 1:35am
Is it your main, Windows boot drive ?   If so, Windows is probably the reason.

Go into Disc Management and see if the drive has more than one partition.

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Allen1429 View Drop Down
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Posts: 8 		  Quote Allen1429 Quote  Post ReplyReply bullet Posted: 10 Aug 2018 at 5:47pm
I've tried CCleaner and it didn't work either. My recycling bin is empty. It is my main drive but it doesnt say there's more than one partition in the disk management. Idk maybe im looking at it wrong. I'll try malwarebytes but idk if thats the problem cause i just reset my pc with the delete all files option and it still didnt work. My D drive was emptied but the C didnt change much. The windows.old folder has less than 1 MB too so i dont think it could be that
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forrest74 View Drop Down
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Posts: 2642 		  Quote forrest74 Quote  Post ReplyReply bullet Posted: 10 Aug 2018 at 10:39pm
Allen1429,.

Here are some links that might be useful to you.  There are items in these links that have not been mentioned above.
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Calibrator View Drop Down
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Posts: 20 		  Quote Calibrator Quote  Post ReplyReply bullet Posted: 11 Aug 2018 at 7:43pm
You might check your Virtual Memory Settings (which uses HD space). Right-click on your computer on your desktop/Properties/Advanced System Settings/Performance-Settings/Advanced/Check your "Virtual Memory" size.
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Calibrator View Drop Down
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Posts: 20 		  Quote Calibrator Quote  Post ReplyReply bullet Posted: 11 Aug 2018 at 7:52pm
You might also try running the Windows 10 "Disk Cleanup" utility. You might have memory dump files etc taking up space.
Velox
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Nvidia RTX 3090 Founders
ASUS ROG Strix X299-E GamingII
64GB DDR4 3000MHz Corsair
SSD M.2 512GB 970 PRO NVM
SSD M.2 2TB 970 EVO NVM
4TB Western Digital HD

ASUS PG43UQ 43" 4k 144Hz
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Kilogan View Drop Down
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Posts: 8 		  Quote Kilogan Quote  Post ReplyReply bullet Posted: 24 Aug 2018 at 3:31pm
It happened to me, also on an 100gb ssd. I found out that the Winsxs folder took most of my disk space and there's nothing you can do about it or your windows won't work if you deleted the files.
Interesting that it does not show up anywhere what is using that much space
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Alci View Drop Down
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Posts: 250 		  Quote Alci Quote  Post ReplyReply bullet Posted: 27 Aug 2018 at 6:06am
I used to use a program called evidence eliminator to free up space. It recovered 100G on a 250 G HD, the first time I used it. Unfortunately I think it's been discontinued. If space was still a concern for me, I think I'd just routinely do a format and re-install of the OS. Maybe you can mitigate this by only using the primary drive for OS.
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Jerrar View Drop Down
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Posts: 77 		  Quote Jerrar Quote  Post ReplyReply bullet Posted: 19 Sep 2018 at 2:15am
Do check your recycle bin as that takes a lot of space if you are not permanently deleting stuff. Also run the Disk Defragmentation, that helps out to squeeze more space free space by efficiently placing all used blocks of the hdd together and the free ones together.

Edited by Jerrar - 19 Sep 2018 at 2:17am
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Snaike View Drop Down
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Posts: 9462 		  Quote Snaike Quote  Post ReplyReply bullet Posted: 19 Sep 2018 at 2:42am
Originally posted by Jerrar

Also run the Disk Defragmentation, that helps out to squeeze more space free space by efficiently placing all used blocks of the hdd together and the free ones together.



No no no no no no... The OP lists the problem is on an SSD. Never, AFAIK, run defrag on SSDs.
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