Windows 10: How to check for issues after a power failure? Solved


  1. Posts : 154
    Microsoft Windows 10 Pro 64-bit
       27 Jan 2017 #1

    How to check for issues after a power failure?


    This morning, the electricity went out for a second, and my computer shut down, then started back up when the power came back on.

    How can I be 100% sure that no important Windows files (or the registry or master file table) were corrupted? I'm a bit paranoid because my old computer developed a debilitating (and still undiagnosed) problem in which the hard drive would lock up at random intervals, and that computer turned out to have a corrupted master file table (although that may have been caused by the problem that caused to locking hard drive rather than being the cause). I don't want anything like that happening to this computer.

    I've already run chkdsk /r C: in an elevated command prompt. Is there anything else I can do to make extra sure that there's no damage?

    I have a very recent (last night) system image backup of Windows made using Macrium Reflect Free, but I think that using it at this point would be an overreaction.
    Last edited by hbenthow; 27 Jan 2017 at 12:49.
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  2.    27 Jan 2017 #2

    Going forward, consider using an UPS with enough wattage to handle your computer center.
    "...I have a very recent (last night) system image backup of Windows made using Macrium Reflect Free, but I think that using it at this point would be an overreaction..." Not an over-reaction at all; I have restored my OS partition several times amongst my three computers over the years due to external and internal problems -- no more worries.
    Last edited by RolandJS; 28 Jan 2017 at 12:07.
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  3. Posts : 154
    Microsoft Windows 10 Pro 64-bit
    Thread Starter
       27 Jan 2017 #3

    RolandJS said: View Post
    Going forward, consider using an UPS with enough wattage to handle your computer center.
    I plan to buy one soon. Unfortunately, the power went out before I got it.
    "...I have a very recent (last night) system image backup of Windows made using Macrium Reflect Free, but I think that using it at this point would be an overreaction..." Not an over-reaction at all; I have restored my OS partition several times amongst my three computers this year due to external and internal problems -- no more worries.
    But what if it wouldn't work right, and I'd be left without a working computer? (I don't have an extra hard drive to test out the restored backup on, so I'd have to overwrite my current hard drive.) I've never restored from a backup before (I've successfully cloned my hard drive using Macrium, but cloning and restoring from an image are a bit different).

    Do you think it would be safer than just trying to check for issues on my current hard drive?
    Last edited by hbenthow; 27 Jan 2017 at 14:07.
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  4.    28 Jan 2017 #4

    The only difference between cloning and restoring from an image is that you get to keep that image and be able to restore from it at any time. All you have to do is to make image of complete disk with all the partitions and a rescue disk/USB to boot and restore from. It also has a bonus of being able to fix eventual BOOT problems and restore image from SATA in IDE mode to a SSD with SATA in AHCI mode.
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  5. Posts : 154
    Microsoft Windows 10 Pro 64-bit
    Thread Starter
       28 Jan 2017 #5

    Thank you all for the information. I did a restore using the system image. It seems to have worked flawlessly, except that I am now having to re-do my search index (which is taking a long time).
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  6. Posts : 1,577
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       29 Jan 2017 #6

    I would also run sfc /scannow from an admin command prompt. Also, look at Event Viewer for a few days to see if you have any new error types. If that passes and the PC works OK I would assume all is fine.
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  7.    29 Jan 2017 #7

    Could also check the Event Viewer to see if any problems were reported.

    Windows is pretty well able to handle the loss of power. You typically wouldn't experience much trouble except maybe for losing a file you were working on that you had not yet saved.

    As others have said, investing in a UPS is a good idea. If nothing else to ensure you are getting good clean power to your PC. I have used them for years. Just remember, they are only intended to run your computer for a few minutes so you can save your work and shut down.
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  8. Posts : 154
    Microsoft Windows 10 Pro 64-bit
    Thread Starter
       29 Jan 2017 #8

    As I wrote before, I restored from the Macrium backup, so the installation of Windows that was running during the outage is now gone.

    That said, I intend to keep Steve C's comments in mind if this happens again.

    I plan on getting a UPS as soon as possible. This is the one that I'm considering getting now; do you think it's good enough to use with my current system? I have a desktop computer, an LCD monitor, an all-in-one printer/scanner/copier, and several external hard drives.

    Amazon.com: APC Battery Backup & Surge Protector (BE750G) - 750VA 10-outlet Uninterruptible Power Supply (UPS): Home Audio & Theater
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