![]() ![]() More important, though, is the 30% unusable space. I've seen quite a few users with erratic external drive behavior which cleared up when they got enough power to the external drive. If it needs more than 0.5A or 500 ma, then obtain a double-headed cable and power it from two USB ports to get all the power needed. How much power does your drive use? A USB port only delivers 500 ma of power at 5 VDC and many drives need more power. Immediately back up your data on that drive. In this instance, I would make three suggestions. It seems that the most important thing is this line Current Pending Sector Count,23,200, 0, Degradation Write Error Rate/Multi-Zone Error Rate,0,100,51, OK Uncorrectable Sector Count, 0, 100, 0, OK Load /Unload Cycle Count,12974, 196, 0, OKĬurrent Pending Sector Count,23,200, 0, Degradation Reallocated Sectors Count,0, 200, 140, OK The smart data is Attribute, raw value, value, threshold, status P.S: I saw a similar topic but there were no conclusion there either. So is there any tool that mark the bad sectors and bypass them? It is not very reasonable to through 250GB because of some bad sectors! Then I decided to perform a low level format with lowlevel. ![]() So I used windows tool and performed the format (not quickly) however at nearly 70% it stuck. My external HDD which is a 250GB WD (powered by USB) seems to have problem! Whenever i try to copy some files, it stuck while copying.
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