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Thread: Why won't chkdsk run correctly the first try?

  1. #1
    trents is offline New Member
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    Default Why won't chkdsk run correctly the first try?

    After running system file checker on all the classroom computers in a private school I provide tech support for, I am also running chckdsk /f /r. There are about 25 computers involved, all with Windows 10 installed and with all latest updates from Microsoft. These are older machines with a lot of hours on the hard drives. I have checked the SMART info on all machines and replace the drives that were in failure.

    On all but about two of these machines I am finding I have to run chkdsk twice in order to get it to scan correctly. The first time the machine reboots, starts to run the chkdsk scan but immediately runs to 100% complete whereupon it boots back into Windows. When I issue the chkdsk /f /r command again it will reboot and run the full scan in a normal fashion over a period of sever hours. To have to issue the command twice is so frustrating and time consuming. These machines are old take a long time to boot.



    What is happening here?

  2. #2
    Matrix's Avatar
    Matrix is offline Senior Member
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    Some file system corruption looks like.

    Run Disk Cleanup to clear PC junk, and then run ChkDsk in Safe Mode. That might make the issue go away.

  3. #3
    trents is offline New Member
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    But I have already run "dism.exe /online /cleanup-image/restorehealth" followed by "sfc /scannow" to restore file system health. And even so, you would not think file system corruption would manifest itself in this same way on all those machines.

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