USB hard drive looses connectionq

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tkjjkt

Hello,
i have a USB hard drive (250gig) with an external power supply.
Running on WinXP.
The drive works fine. Except, it seems to loose its connection to the
computer from time to time. It then immediately connects again to the
computer without any problem.
However, this "feature" is deadly for back up programs, as when the
drive looses the connection to the computer the backup program stops
working. The reason is that it cannot find the drive at that moment.
Does anyone else have this issue, or perhaps has a recommendation?
thanks in advance for any help....
 
Is this a "packaged" drive, or one you cobbled together using a used drive
and an external USB case?

If it the first instance, call the drives manufacturer. If it is the second
instance - YOU are the manufacturer, and anything could be the problem.

Give all the details about your system and external drive/case that you can.
We need them all.

--
Regards,

Richard Urban
Microsoft MVP Windows Shell/User

Quote from George Ankner:
If you knew as much as you think you know,
You would realize that you don't know what you thought you knew!
 
Hello,
thanks for responding so quickly!
This drive is a package drive. I'm struggling to find the exact
details. I know there are programs that can do this, but i did'nt
really want to install any extra software. Is there a program that i
can run to tell me details about the equipment in my computer, without
installing something?
What i can find is the following: HDS72252 5VLAT80 USB device. It is a
250 Gig drive.
I'll keep looking for info ....
Again, thanks ....
 
If it is losing, and then making connection, I would suspect a "bad"
connection and I would think it would be in the drive case. Maybe there is
supposed to be a fan that should be spinning - but isn't. Maybe a cable or
connection is bad. If the drive is new, take it back for exchange.

--
Regards,

Richard Urban
Microsoft MVP Windows Shell/User

Quote from George Ankner:
If you knew as much as you think you know,
You would realize that you don't know what you thought you knew!
 
Hello,
i have a USB hard drive (250gig) with an external power supply.
Running on WinXP.
The drive works fine. Except, it seems to loose its connection to the
computer from time to time. It then immediately connects again to the
computer without any problem.
However, this "feature" is deadly for back up programs, as when the
drive looses the connection to the computer the backup program stops
working. The reason is that it cannot find the drive at that moment.
Does anyone else have this issue, or perhaps has a recommendation?
thanks in advance for any help....

If actual power/current is being lost, that would be faulty hardware or
power supply. But if it is the drive kicking in and out of standby, then
adjust power options.

If you look in the properties of individual devices in Device Manager, some
items will have a Power Management page. If you want a device to be "always
on," use the settings on that page to disable standby. For a device that
has a USB connection, you may have to adjust Power Management settings for
USB elements as well as the ones for the actual device.
 
Ok, i've checked every possible power setting of every hard drive and
USB item in the device manager. Nothing relates to this drive, or a
USB port where this drive could be connected to.
I've also tried identifying the manufacture of the drive, without luck.
I thought perhaps there is a home page where a specific driver must be
available ....
Some hstory: this is my second drive like this. The first one had the
exact same characteristic. It failed after about 4 months operating.
The drive stored everything just fine, only with this characteristic
that it would disconnect from time to time. I first noticed it, when
after disconnecting, it connected again and my PC opened a window and
checked through all folders etc. on the drive, and then opened the
window asking me what to do with this device that "was just connected".
I just thought this was "normal". But, then the drive failed after 4
months (no response to anything any longer). I returned it, and they
sent me a new one. I was hoping this would not be the case with this
one, but now i'm getting suspicous ......
Does all this seem strange? Shoudl i be overly suspicous about this
behaviour of the drive? Having said that, two drives in a row, with
the same "problem" seems unlikely also?
Getting real frustrated now .....
 
Responses in line...

Ok, i've checked every possible power setting of every hard drive and
USB item in the device manager. Nothing relates to this drive, or a
USB port where this drive could be connected to.

I have a Maxtor One Touch 250GB external. If I don't disable power options
for the USB hub that it's connected to, it goes into standby. This does not
keep me from using the drive. It just means I have to wait for it to come
back from standby OR I can disable standby, it's available all of the time.
My preference is to have it always available when it's connected/powered
on, so I do disable USB from standby so that it stays "awake." This works
for me. I don't know why it isn't working for you unless there is a
physical (hardware) problem with the drive itself.
I've also tried identifying the manufacture of the drive, without luck.
I thought perhaps there is a home page where a specific driver must be
available ....
Some hstory: this is my second drive like this. The first one had the
exact same characteristic. It failed after about 4 months operating.
The drive stored everything just fine, only with this characteristic
that it would disconnect from time to time. I first noticed it, when
after disconnecting, it connected again and my PC opened a window and
checked through all folders etc. on the drive, and then opened the
window asking me what to do with this device that "was just connected".
I just thought this was "normal". But, then the drive failed after 4
months (no response to anything any longer). I returned it, and they
sent me a new one. I was hoping this would not be the case with this
one, but now i'm getting suspicous ......

Having autoplay appear is normal if you connect/activate the drive while
there's a current Windows session. The operating system sees these things
as "removable storage" so Autoplay is offered.

One thing I am careful about: If I am going to disconnect the drive, I use
the "safely remove hardware" tool down by the clock. Or I turn off the
computer and then power it down. Data corruption can occur if care is not
taken when disconnecting.

Aside: There is a setting to allow quick removal. I don't mind using that
with a little USB stick but I shy away from using it with a larger drive
that contains data that is important to me.
Does all this seem strange? Shoudl i be overly suspicous about this
behaviour of the drive? Having said that, two drives in a row, with
the same "problem" seems unlikely also?
Getting real frustrated now .....

Based on the experiences I've had with external USB hard drives, yes it
does sound strange. Which is why I keep hinting at possible hardware
trouble. Unfortunately, since you can't determine the manufacturer, you
can't contact them for technical support. If that was possible, you might
find out there was a firmware update for the drive that corrects this
problem (out of reach because the mfr is unknown) or they could tell you
without a doubt that the drive needs to be replaced.
 
Thanks Sharon.
as long as i don't use the drive for autobackups, it's not a problem.
I've turned off the autoplay function, so that when the drive
disconnects and and then reconnects i don't even notice it. I do,
however, hear the winxp sound of a device disconnecting and of a device
connecting. That's when i know it happened again.
For normal usage it's not a problem cause the drive is there when i
wnat to access someting or copy something to it. However, i bought
this thing for the precise task of backups! That is what does not
work!
Do you know of any program i can use to analyze my computer and perhaps
give me details of the drives manufacturer?
thanks.
 
Thanks Sharon.
as long as i don't use the drive for autobackups, it's not a problem.
I've turned off the autoplay function, so that when the drive
disconnects and and then reconnects i don't even notice it. I do,
however, hear the winxp sound of a device disconnecting and of a device
connecting.

When a USB external goes to standby, there is no connect/disconnect noise
from Windows. That noise happens when the connection is physically broken:
drive unplugged or faulty connection. Loose cable? Bad cable?

I haven't seen this problem but have heard of some instances where the USB
connector is loose fitting. In this case, one needs to find and use a cable
with connectors that fit tighter
For normal usage it's not a problem cause the drive is there when i
wnat to access someting or copy something to it. However, i bought
this thing for the precise task of backups! That is what does not
work!
Do you know of any program i can use to analyze my computer and perhaps
give me details of the drives manufacturer?

If you manually perform a backup, does the drive work without
disconnecting? That may be your only work around. If the drive has a habit
of disconnecting during long data transfers, then I wouldn't trust it even
for backup.

I don't know of any tool to help you test this. If other USB devices work
reliably in the same USB port without losing "contact," then the problem is
in the drive not the port.

As Richard said, it could be in the enclosure. Perhaps a failed fan and the
drive shuts off to avoid overheating. Or a loose connection (where the
drive connects to the internal electronics). Don't forget to check cabling
as mentioned above too.
 
Hello,
i have a USB hard drive (250gig) with an external power supply.
Running on WinXP.
The drive works fine. Except, it seems to loose its connection to the
computer from time to time. It then immediately connects again to the
computer without any problem.
However, this "feature" is deadly for back up programs, as when the
drive looses the connection to the computer the backup program stops
working. The reason is that it cannot find the drive at that moment.
Does anyone else have this issue, or perhaps has a recommendation?
thanks in advance for any help....

If the connection is "loose" then just tighten it down. Problem
solved.
 
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