Question about Western Digital My Book Essential Edition (WDG1U5000N) 500 GB Hard Drive

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Slow write hdd

Its an eide western digital wd2500jb, it writes at only 0,47Mb/s when it is supposed to write at 57Mb/s. it has gotten worst now windows will not recognize it and WDDIAG can not complete the tests and it used to complete them before. what can i do? going nuts. thanks for your help

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Well..sounds a lot like it's just really unhappy. data recovery is recommended, and then try a low level reformat of the drive.

Posted on Apr 03, 2008

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I have western digitial hdd model wd5000aajs the problem i'm having is its giving trouble to format and when its installed in the pc i can't start windows or if i try it in linux i doesn't format i just...

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I have a WD2500JB hard drive. When I connect it, I don't hear it start, I only hear a beep. I guess it's completely dead, but maybe there is a solution, anybody can help?

To be sure your hard disk is ded or just have probs in the casing just try to remove the hd from the casing and connect it directly to the system if its 2.5 tb u would have 2 hard drive orthree please connect all of them to gether to your system other wile it could become unalocated
if it works u have prob in the casing so just change the case .
but before going through all this just connect the hdd and go to disk management by right clicking on the my computer icon go to manage and then diskmanagement if itshown there as forgen or unalocated just let me know i will tell you what to do
thanks and regards
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Slow write speed

Had the same problem with my WD2500KS-00MJB0. It also has the (widely reported) defect where the thermal sensor is not reporting correctly (ie 40C when it's just been powered on, and should be reading approx 20C!).

My suspicion is that this line of WD2500KS models has a defective thermal sensor, and after a period of time the thermal sensor fails. When this happens, I suspect that the drive firmware tries to lower the temperature by reducing write speed.

My drive was out of warranty, so I used the 'Customer Loyalty Upgrade' discount on the WD Warranty Check site to get a new 500G drive. I still have the old drive, and some technical knowledge, so I'll see if there's a hardware hack to disable the thermal sensor.

Otherwise, go to the WD site's Warranty Check page, and get yourself a (heavily discounted) Customer Loyalty replacement.

Mar 22, 2008 | Western Digital Caviar WD2500JB Special...

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