splendid Posted September 20, 2004 Share Posted September 20, 2004 The USB2.0 External HD was working fine until SP2 was installed.In device manager, there was a yellow question mark on USB device. I let Windows update the driver and the yellow mark disappeared.Now the drive letter is gone. I deleted the partition. I could partition it only after I rebooted. And still no drive letter. I could not format (NTFS) the HD.I tried the device on another computer with SP2 with the same problem.I tried it on a computer with SP1 and it worked fine.I did BIOS flash. It got Via chipset 4-in-1 V5.1 installed. Windows update was performed. Tried USB2.0 driver from Constar.Any idea or recommendation?USB Enclosure: Constar ST-2322B2HD: Maxtor 120GBCPU: AMD64 3000+RAM: PC3200 512MBMB: MSI K8T Neo-Fis2rVideo: EVGA GF-FX5500 256MBWindows: XP Home OEM Link to comment Share on other sites More sharing options...
splendid Posted September 20, 2004 Author Share Posted September 20, 2004 Sorry about a typo.USB Enclosure shoud be ST-2312B2. Link to comment Share on other sites More sharing options...
BeenThereB4 Posted September 20, 2004 Share Posted September 20, 2004 Go to "Administrative Tools" - "Disk Management" and assign a drive letter to the partition. Link to comment Share on other sites More sharing options...
XtremeMaC Posted September 20, 2004 Share Posted September 20, 2004 in short go to runtype diskmgmt.msc Link to comment Share on other sites More sharing options...
splendid Posted September 20, 2004 Author Share Posted September 20, 2004 I can add a driver letter but i cannot format. When I reboot, the driver letter disappears. Link to comment Share on other sites More sharing options...
splendid Posted September 20, 2004 Author Share Posted September 20, 2004 The Maxtor HD is fine. When I connect it directly, I can partition and format it. Link to comment Share on other sites More sharing options...
XtremeMaC Posted September 20, 2004 Share Posted September 20, 2004 hmm okay 2 things u can do1st uninstall the drive. (go to hardware properties and find the hdd and right click uninstall) then go to view and "show hidden deviced" see if u have any other entries of your hdd if found delete, restart..2nd go to regedit then go to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\IDEfind your hdd and remove the registry entry of it after a restart it should find your hdd and everything should be finebut b4 doing this search in kb articles of microsoft. they've something for it I know... Link to comment Share on other sites More sharing options...
IcemanND Posted September 20, 2004 Share Posted September 20, 2004 is the drive coming up as dynamic or basic? As I recall you could for it to make an external device dynamic in sp1 but it wasn't supposed to and they fixed/broke that in sp2. change it to basic and try again. Link to comment Share on other sites More sharing options...
splendid Posted September 20, 2004 Author Share Posted September 20, 2004 XtremeMaC, I will try your suggestion.IcemanND, it is basic not dynamic. Link to comment Share on other sites More sharing options...
splendid Posted September 20, 2004 Author Share Posted September 20, 2004 Thanks to XtremeMaC, I finally resolved the problem.When I connected the USB 2.0 External HD, Device Manager listed it as USB Storage Device with a yellow question mark. I let Windows find the driver. I then clicked on View Hidden Devices and saw a yellow question mark on Unknown Device. I let Windows find the driver and it did. Now I can delete, create a partition and format the HD without any problem.Thanks guys. Link to comment Share on other sites More sharing options...
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