After recently upgrading my Windows 7 Pro desktop (Dell Optiplex 380) to Windows 10, access to the internal D: drive (a 2T Seagate) is intermittently slow (it was working fine before). I can see and access the drive, but programs accessing files on the drive either hang up/time out or are very slow. For example, I am unable to play back audio files stored on D: without constant - and often extended - dropouts. When trying disk benchmark programs on D:, they either hang up entirely (CrystalDiskMark) or seem to work in spurts (HD Tune Pro), showing intermittent access. Any idea what could be going on?
Internal HDD slow access after Windows 10 upgrade
- Thread starter rtos_ny
- Start date
Dell Optiplex 380 is old Intel G41 chipset motherboard. Intel does not intend to support upgrades on this chipset to support Windows 10. But if you try and it doesn't work, you do have one month you can revert back to your previous Windows 7 OS.
I had considered this possibility, however accessing files on my C: drive (a 250-GB WD) doesn't appear to be an issue, so am not sure why the second drive is such a problem.
Update: I just booted up in Safe Mode (with networking) and programs are now able to access drive D: without any problems. I'm not entirely sure what to conclude from this.
Update 2: So, based on the results under Safe Mode, I decided to try stopping various Windows services under regular full Windows to see if any of them affected access to the D: drive. Sure enough, one of them - TdmService ("Manages self-encrypting drives") - seems to be the main culprit. Once it's stopped, CrystalDiskMark is finally able to access and test the D: drive without hanging up. So far, based on trying several programs that regularly access files on the D: drive, it looks like this may indeed have been the source of the problem.
gijoe50000
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- May 27, 2013
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I'm having the exact same problem at the moment, also with a seagate 2TB, after a windows 10 upgrade. Disk speed almost always at 100% even when Windows only reports a few KB's (I don't trust windows monitoring at all). It takes ages to do anything on it.
I don't have a TDMService to disable but I'm going through stopping what I can to see if I can get it sorted..
Do you have anymore updates on this? Is your drive still running fine?
I don't have a TDMService to disable but I'm going through stopping what I can to see if I can get it sorted..
Do you have anymore updates on this? Is your drive still running fine?
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