Tom's Hardware > Forum > Storage > Hard Disks > WIndows can't see both my hard drives at once any more!

WIndows can't see both my hard drives at once any more!

Forum Storage : Hard Disks - WIndows can't see both my hard drives at once any more!

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I have 2 500gb Comstar external hard drives running on my Windows 2000 system (Labeled H: and I:).This has been working for months but today I rebooted and windows only saw one drive. After a few reboots and swapping ports etc I came to the conclusion that the PC can see either H: or I: but not both at once any more. When I plug the 2nd drive in, windows will pop up a message that it wants to reboot, but rebooting doesn't fix it.

Both of these drives are working, because I tested them on another system.

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It's possible that your system can't provide enough power for both hard disks to run at the same time. Though external hard disks require minimal power. In any case, did you add a new component to your computer?

Also, have you downloaded the latest for your motherboard and chipset?

------------------------------ Desktop | E7300 | P5KPL-AM | 2GB DDR2 667MHz | NVIDIA 9500 GT | ST3320613AS | w2228h
XPS M1330 | T8300 | Dell 0U8042 | 2GB DDR2 800MHz | NVIDIA 8400M GS | WD2500BEVS-75US | 1280 x 800
Reply to r_manic

No new components.... The drives both have their own power coming from outlets, so I'm not sure what it could mean although the power issue seems possible?

Reply to proisioa

Are these USB drives?

Check device manager and Disk managment in control panel for their presence.
Assign a letter if necessary.

------------------------------ Google is your friend and Bob's your uncle
Reply to evongugg
Tom's Hardware > Forum > Storage > Hard Disks > WIndows can't see both my hard drives at once any more!
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