Try reposting this in the 'Q&A' forum. The 'Discussion' forum is for matters of general discussion, not specific problems in search of a solution. The 'Water Cooler' is for non-technical discussions. You can submit a question to 'Q&A' here:
https://www.techrepublic.com/forum/questions/post?tag=mantle_skin;content
There are TR members who specifically seek out problems in need of a solution. Although there is some overlap between the forums, you'll find more of those members in 'Q&A' than in 'Discussions' or 'Water Cooler'.
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[b]So why do you need to run CHKDSK so often?[/b] But in addition to the tests you have done already have you tested the HDD with it's makers Testing Utility? You can download this from the HDD Makers Web Site.
If it fails the first test remove the HDD from the computer fit to another and retest. If it fails the second test the HDD has gone to [b]Silicon Heaven[/b] but if it passes the second test the M'Board, Power Supply or Data Lead in the first computer needs attention/replacment.
Col