Unmountable_boot_volume error

By Mumbles2X ยท 5 replies
Sep 18, 2015
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  1. Hello, I have been having a problem with my laptop for the past week where I cannot start it up due to an error called "UNMOUNTABLE_BOOT_VOLUME". It gets stuck at the starting windows screen with no load bar. Then after a few minutes it will switch to a blue screen with the error.

    I tried going into safe mode but that also gave me the same result. Safe mode will fail when it hits this file "\windows\Systems32\Drivers\aswRvrt.sys".

    My Laptop is a Samsung laptop with Intel core i7 and it uses windows 7. I would also like to mention that I did not download any new software recently that I'm aware of. Any help would be appreciated.
  2. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +242

    This is a avast system file. Unless you can somehow get back into windows. It does not look good. If you can try your F8 key and click on ( last known good configuration) In the menu. You maybe able to get back in windows. If not and you have a win 7 dignostic disk. You maybe able to do a system restore to a earlier time and get back in windows. Hope this helps. This is only if it is avast that has cause this.
  3. Mumbles2X

    Mumbles2X TS Rookie Topic Starter

    I tried doing the last known good configuration but it still gave me the same results. Sadly I do not have a windows 7 diagnostic disk. Is there anyway to buy that disc for cheap, or maybe download something like the disc onto a flash drive? Just throwing out some ideas. Does avast usually cause this error?
  4. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +242

    If you know someone who has win 7. They will be able to make one for you thru windows recovery. If you have a recovery partition you can boot into from outside of windows. This sometime times will give you the option to run a system restore. Avast , Avg or any for that matter can cause such an error if there files are corrupted.
    Last edited: Sep 18, 2015
  5. familyman14

    familyman14 TS Enthusiast Posts: 185

    Is it possible to DL Windows 7 on a flash drive from another computer to install on his?
  6. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +242


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