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Can't read from the source file or disk while copying

I am trying to copy something FROM my 1TB internal hard drive TO my external hard drive, and when it gets to a certain point, it always says "Can't read from the source file or disk" and it'll name a certain file that can't be read.

I have read that this may mean the drive may contain bad sectors and is bad, so my question is, is it my internal hard drive or my external hard drive that has bad sectors?

Again I am trying to copy something already on my internal drive to my external drive.

The 1TB drive is new I just bought it from Newegg and the external drive I have had for a while and it already has alot of files on there. I am thinking this may be the 1TB drive but I just wanna make sure on here first before I RMA it or anything.


Thanks for any help.
13 answers Last reply Best Answer
More about read source file disk copying
  1. so did you try just copying just that file?
  2. Best answer
    I'd try running chkdsk with the /f option on each drive first.
  3. rgd1101 said:
    so did you try just copying just that file?


    Well no just sometimes it gives me that error at an earlier point and sometimes it gets past that point but will give me an error again for a different file.
  4. Hawkeye22 said:
    I'd try running chkdsk with the /f option on each drive first.


    How would I run chkdsk?

    If the drive letter is "E" what should I type?
  5. At a command prompt (possible need run as administrator):

    chkdsk e: /f

    If this is an OS drive, it will ask to run at boot time. Answer yes, then reboot. You can then find the results of the chkdsk in the event viewer.
  6. Hawkeye22 said:
    At a command prompt (possible need run as administrator):

    chkdsk e: /f

    If this is an OS drive, it will ask to run at boot time. Answer yes, then reboot. You can then find the results of the chkdsk in the event viewer.


    It is a storage drive, I have an SSD as boot drive. And it is asking if I want to force a dismount on the drive because it's in use by another process?
  7. I just tried copying again and it is the same file that brings up the message. Since it says can't read from "Source file" does that mean my HDD has bad sectors
  8. yes, do the chkdsk like hawkeye22 said
  9. I think I am just gonna RMA it and get a new one because I just tried to backup games from Steam before I run chkdsk and was waiting for a game to finish updating before I could back it up and it comes up with an error in steam saying (Disk write error).
  10. yup, if it new, RMA it, it probably going to get worst.
  11. rgd1101 said:
    yup, if it new, RMA it, it probably going to get worst.


    Yeah it is new just got it, and it's a Western Digital Black 1TB too, hopefully the exchanged one is good.
  12. how do you tell it to run as admin?
  13. IHateWD said:
    how do you tell it to run as admin?


    open start menu and search for "cmd"
    when it shows, right click it and choose run as admin
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