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How do I get my external hd to be read by win xp?

Posted on 2011-03-08
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Last Modified: 2012-06-27
I get a black exclamation mark on yellow background in device manager under Device Manager / USB Controllers. I've uninstalled it and rebooted but it keeps coming back.

Please see my other screen shots. device mgr device mgr device mgr device mgr device mgr  
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Question by:mfriend
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Expert Comment

by:N R
ID: 35071450
Did you try to change the drive letter and see if that worked?
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Expert Comment

by:Wayne Barron
ID: 35071580
In Disk Management.
Right click and [Initialize]
See if you are given that option.
If not, what options are provided in the right click menu?
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Author Comment

by:mfriend
ID: 35071586
I tried that and it didn't work. Windows may also think this device is a Canon printer which I have connected. If that is the case, then the external HD is not showing up at all. device mgr
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Expert Comment

by:Wayne Barron
ID: 35071799
May have to many USB devices connected to your system.
May want to check the specs of the MB to see if their is a limit to how many USB devices you are allowed to have connected?
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Author Comment

by:mfriend
ID: 35071812
It has always worked before with the same set up
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by:N R
ID: 35071813
Why not disconnect all others except keyboard and mouse. Then try connecting the device into a different usb pot.
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by:N R
ID: 35071816
@mfriend yes, but to trouble shoot the issue maybe worth a try.
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by:mfriend
ID: 35071821
I even tried connecting the hd to the laptop after removing it from the docking station with no other usb devices attached except for the hd
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by:Wayne Barron
ID: 35071890
Did you make the drive [FAT]?
That has nothing to do with why it is not being picked up, just wondering to the reason why it is a [FAT] instead of [NTFS]

If the drive will not get picked up when it is the only device connected via USB.
Step 1
Make sure that the USB connect to the drive is good.
Step 2
Make sure that the power cable is good and connected properly.
Step 3
Try other cables that you know that are working with this drive to see if it will get recognized.

Sounds to me, like if it is not being recognized, that it is a bad cable.
(or) the drive is going bad.

Hopefully it is just a cable issue.
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Expert Comment

by:BCipollone
ID: 35071968
If there is no data on it you should format it as ntfs.

You should run a chkdsk on that drive and repair it.

info:http://en.wikipedia.org/wiki/CHKDSK
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Author Comment

by:mfriend
ID: 35071987
The cable is attached the the CMS hd casing. I have the exact same problem with another external drive. Both of these drives can be read perfectly when I attach them to my other win 7 laptop. I reformatted the external drive that we are now discussing thinking that would help.
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Author Comment

by:mfriend
ID: 35072277
I ran a chkdsk and then reformatted using NTFS (which is what I think I did the first time I reformatted it). I did this on my win 7 laptop.
 Still have same problem on win xp. Here is the screen shot showing the drive in Y: but when i dbl click on the drive it says "Please insert drive etc" screen shot
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by:dbrunton
ID: 35072328
How are these drives powered?  If they are getting power off USB there may be insufficent available.

Use a powered USB hub if this is so.
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Author Comment

by:mfriend
ID: 35072411
Off  a powered usb hub
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Expert Comment

by:dbrunton
ID: 35072513
You've tried different USB ports?
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Author Comment

by:mfriend
ID: 35072672
yes. Same problem
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by:dbrunton
ID: 35072833
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Author Comment

by:mfriend
ID: 35078714
I now have no exclamation point so the hd should be recognized -- but  it is not recognized.
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by:dbrunton
ID: 35078933
What does Disk Manager see?
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Accepted Solution

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mfriend earned 0 total points
ID: 35086210
I was able to get one hd (Toshiba) to be recognized. This is what i did:

Shut down my laptop. Removed APC power battery backup cord from outlet. Removed laptop ac charger power cord from battery pack. Removed laptop from docking station. Removed battery from laptop and put it back. Then I booted up laptop while not in the docking station. No usb's were attached. Connected hd and it was recognized. Then proceeded to do my backup as usual and it worked. The other hd which is a Western Digital Scorpio made a sound when pc connected to the laptop but was not recognized.

However when I connected my Toshiba hd to the usb hub it was not recognized.

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by:dbrunton
ID: 35086761
What happens if you connect the Toshiba via the USB hub to another computer?
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Author Comment

by:mfriend
ID: 35122805
Good question. I prefer not to try that out. it means disconnecting a lot of connections including 2 other external hard drives.

I discovered that the power plug to the usb hub was disconnected at the hub. One of the problem hd still does not show up in explorer but it does show up in Disk management. The other hd does show up in both, now.

I'm going to call it quits on this issue and just another external hd.

Both hd's do show up on another computer.

Do I assign points even though there is no total solution?
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by:dbrunton
ID: 35122887
You can accept your comments as an answer.  You'll get zero points for it but it is an answer.
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Expert Comment

by:WhackAMod
ID: 35275406
Starting closing process on behalf of the asker.
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