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Old April 9th 10, 03:18 PM posted to
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Default Can't see Hard Drive.

"Marian Henna" wrote in message
V2.10.0.0 for XP SP1 and Win2K3 is the one I had, I have downloaded the
Vista flavor, but no help. Thanks for the information as well.

I got to thinking again that the drive may be flakey, so this AM, I
installed it into another Vista machine and it displayed fine in Explorer.

Then thinking that the cable (power or data) were bad in the original
machine so I re-inserted the drive, swapped the cables around and same
thing. I then replaced the cables with brand new ones, same thing.

So it doesn't seem to be the drive, nor the cables.

The BIOS shows the drive correctly so it can't be the motherboard (or
interface). It's gotta be something in Vista.

"LVTravel" wrote in message

"Marian Henna" wrote in message
Hello again, first let me thank you for your help.

I went over the article and confirmed everything in your link. All seems
to be fine. I have no card readers or anything new installed. What I'm
going to do is to review the most recent MS updates that may have been

Normally I turn this off, but was preparing for a training course for 22
students for Vista and completely forgot. This is one of the items in
the link you sent me.

Next, I'll try a Sys-Restore, but I've installed about 55 videos and
related support apps for this upcoming session (which were all installed
onto the invisible drive), and will likely have to re-install. So fare
the apps and vids work fine, but I can't just copy to the drive via the

"I CAN", however copy and see the drive from a dos/command prompt.

Does this help?

I'll post more as it develops (or not develop).

Again, thanks.

"LVTravel" wrote in message

"Marian Henna" wrote in message
My apologies, I should have mentioned that the drive is visible using
Disk Management. The volume is assigned the drive letter D: (basic
volume) and there are no network drives. The DVDRW is assigned drive
letter W: (I do this so that the universe knows it is a

I should have also mentioned that this drive was visible, but only in
the past few days has it disappeared (at least that's when I noticed).

System is Virus and Malware clean as reported by Panda RescueCD,
Kaspersky RescueCD and BitDefender RescueCD. I booted with my BartPE
and ran McAfee command line scanner against both hard disks in the
system, they were both clean.

TweakUI does nothing magical, I read a web hit that suggested running
TweakUI and 'clicking' on the drive and it should work - nada.

The only data on Drive D: (the invisible guy) is video data, nothing
else. I changed the drive letter to drive E: in DM and rebooted, still

I mentioned that I could store docs etc there, but they were only
tests and my dynamic data is never stored there.

"LVTravel" wrote in message

"Marian Henna" wrote in message
For some reason, I cannot see a 1TB hard disk in Vista Explorer.
There are no relevant messages in the event logs etc. I can save
data to it (via apps, word, excel, downloads etc).

I just cannot see it in windows when I go to my computer.

Also, can't seem to find anything pertinent on the web, lost about a
vista drive not being seen by windows 7 (vice versa), but not what I
am looking for.

My concern is that if Windows won't display the drive, it may be
going bad and it's only 6 months old.

Any pointer(s) would be appreciated.


Right click Computer on the desktop. Click Manage then Disk
Management. Do you see the drive in either the top area under Volume
or in the gray area below it? If in the gray area does it have a
drive letter assigned. If so is it the same drive letter that is
assigned to a network drive (which will not show up in the Disk
Management window?) If it is the same letter as a network drive one
or the other needs to be changed. Let us know and we can guide you.

If the drive is not showing up at all in Disk Management I have no
idea how a program could write to the drive.

Any card readers installed on the computer, either in the computer or
an attached printer? Recently installed a printer and it rearranged my
drive letters until I changed the card reader that was on the printer
to a different letter.

You might want to read this article and see if it helps your situation:

I see you mentioned, and I missed, in an earlier post that you have Tweak
UI installed and run. What version do you have and where did you get it?
The one for XP should NOT be run on Vista or Win 7.

Have you totally uninstalled the XP TweakUI from the computer prior to
installing the Vista flavor one? If not uninstall both then
install/reinstall the one I recommend below.

I use Tweak VI free version from and
have been happy with that program. When installing allow it to create a
system restore point when it asks to. If running that program click the
System Information and Tweaks on the left side of the program's window then
Hard drive information, optimize hard... on the right side. In the new
window that opens click on the Hide disk drives / Hard drive tweaks tab.
Ensure that all the drive letters show a check mark next to them. Let me
know if any were turned off.