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Yesterday my secondary conventional HDD started acting weird. No throughput or even just a few KB and it'll lock at max disk activity.

Sometimes though I can transfer large files instantly but as of a couple days it's switching between 100% activity at idle and then allowing me to use the disk "normally" briefly before switching back to this odd behavior.

Given that the disk is a few years old, is the disk faulty? Or is this a software issue in Windows 10?

screenshot

Mokubai
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Dan
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    Please can you share the "_Processes_" tab, sorted by the "_Disk_" column, with greatest at the top? – Attie Jun 06 '18 at 18:47
  • did you try chkdsk /R d: See if you have bad sectors. – cybernard Jun 06 '18 at 19:00
  • Possible hard disk failure. Check your hard drives for SMART errors [How can I read my hard drive’s SMART status in Windows 7?](//superuser.com/q/29240), and [What is the easiest method of checking SMART status for your hard drive?](//superuser.com/q/14803). Report back with the results. – DavidPostill Jun 06 '18 at 21:18
  • use a [SSD to "solve" it](https://superuser.com/a/1184894/174557) – magicandre1981 Jun 07 '18 at 14:08

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HDD was mechanically b0rked. I installed a new drive and have had no problems since.

Dan
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