Then UNhide the drive letter with TweakUI.

oliver wrote:

> I have Windows XP SP2 installed on my computer. I tried to connect a Seagate
> 300GB external hard drive using a USB connector. The hard drive is NOT
> listed on "My computer." It is listed correctly on the "device manager" and
> is "working properly." Using "disk management", it is listed as a 280+GB
> "healthy" NTFS drive without an assigned drive letter. When I assign a drive
> letter, I am able to open the drive using "disk management" and access its
> contents (read/write), but the drive remains unlisted on "My computer." The
> drive is properly listed on "My computer" when I connect it to my laptop
> computer. Seagate customer support couldn't fix the problem and suggested it
> was a Microsoft Windows registry issue. I tried to cleaning out the registry
> without any success. Any thoughts? Thanks.