Hi, thanks, here's mine for comparison- I've made sure all the text in the columns is visible, as I asked:
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You'll note a couple of differences in the text in the columns - not all yours is visible.

why does chkdsk find no errors but hdd tune say 100%
- because they are completely different things.

Put very simply, chkdsk is looking at the integrity of the used NTFS files on 1 partition only. Limited.
HD Tune is looking at the whole disk and its SMART characteristics. Comprehensive.

Please post a screenshot of HD Tune's two tabs as asked. Thanks.