Originally Posted by confus-ed
I'd get the appropriate disk test utility from your manufacturer, figure out how to make a bootable floppy disk with it & test your drive - its begining to all sound remarkably like hardware issues & the other 'main culprit' for random weirdness is the PSU - if you have a tester or a multimeter I'd also be having a good look at that ..
However this unit appears to be still in warranty - so don't be opening the case without getting in touch with Mesh or it'll invalidate any warranty you've got left - if they say 'oh sure, you can try all that .. that techie's telling you right ..' then fair do's - but if not I don't want you left with busted stuff they won't replace ;)