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Chkdsk has endless loop

Hello Experts,

I have a HP laptop that had bad memory.  After replacing the memory it appears to have caused an issue where it is stuck in a loop of chkdsk.

I am able to repair the problem but if I run chkdsk again it gets caught in the loop and will not reboot.

Any thoughts of how to fix?
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William Fulks
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Yes, I did perform a hardware diagnostics on the entire system to make sure there were not any other hardware issues.

I have not tried the fsutil scan.. will do that now and post back.
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The hard drive is a SATA drive.

I am running a chkdsk d: /R from the windows 7 cd (after startup repair mode).  This typically allows me to get windows started from the hard drive.  After this finishes I will perform another system diagnostic check after re-seatting the memory  (which was what was replaced).

Then I will run a FSUTIL after I can get the machine started on it own with no CD

I will post back later after I have run all the tests.
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Yes, I was using HP's diags.  I will used Ultimate as you suggest.. thanks
normally, you can also run the fsutil command from an elevated command prompt
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that is a nice  way to solve most problems..
but from your posts - impossible to deduce
You should run TDSSKiller on there to make sure it's not a rootkit. Malwarebytes can detect them but can't always remove them, especially if your MBR is infected. Glad you at least identified the problem!
nobus, yes I took a different path after spending alot of trying to clean the disk with check disk and updating with the Win7 CD.  It did not make sense that I had to do it over and over again, thus the antivirus scans.

William Fulks, I did run TDDSKiller, Malwarebytes, Hitman Pro, Cobofix, RKill, JRT, Adware Cleaner to new a few.  I ran several mailware and antivirus multiple times but it just wasn't going to do the job.  I needed to move on rather than waiting hours for each scan to complete (TDDSKiller only took 15 min) but I was not able to get all things removed and I did not feel confident anything would remove it all.
if all is well now - don't forget to close this
Thanks everyone for helping.  Process of elimination was required.  Appreciate the recommendations.