Hitachi Deskstar P7K500 320GB HDD (Model# HDP725032GLA360) keeps unmounting under Windows XP SP3. Recognises the drive, in both DOS and Windows, but when mounted under Windows, the drive keeps unmounting for no reason, any ideas?
1. Right click on My Computer > Manage;
2. On the new window
click on Disk Management, on the right side, right click in the USB
Volume and chose "Change Drive Letter and Path..."
3. In the new window click on "Add..." to assign a letter to your USb drive.
Best Regards
I'm thinking of that to !! Lack of power in the motherboard...
Do you have many USb devices ? Try to disconnect all that you can and test it again..
Have you tried to connect to another SATA port?
Best Regards
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This won't help as the drive is not recognised within Windows. The HDD sometimes boots into Windows and sometimes it doesn't. I think the drive is on the way out, personally, I assigned the drive letter when I first partitioned the drive. The problem I have is that when it does mount within Windows, say after 30 mins, it then unmounts itself for no particular reason, and is then not recognised, at all. The drive itself is not a USB drive but a 3.5" SATA 320GB internal HDD, that plugs directly into the motherboard via the SATA connection. It has been tested using the Hitachi HDD fitness test tool under DOS, that program said the drive was working fine and it could find no errors. I wonder whether it might be a lack of power to the motherboard?
OK, sorry it took so long to respond but have been doing some extensive testing. USB, no. Power, no. SATA port is working fine. So I have come to the conclusion that it's an intermittent fault. Either the drive is on the way out OR it's just playing up.
Anyhow thanks for your help and I am just about finishing backing up the last of my 300GB, just in case the HDD does go down, Nik.
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