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Windows 7 - windows does not recognize the device
I have a Seagate external HD - 1GB, separate power supply (ST31000SEXM101-RK), which I use for backups.
My computer has 2x320GB HDs, the first with Vista 32, Vista 64(both Business), and Windows 7 Professional 64 bit which I have been using as the preferred OS for 3 months. The second HD is for data.
In the last few days, when awakening the computer from Windows 7 sleep (moving the mouse) I have been getting the message:-
“The USB device has malfunctioned and Windows does not recognize it.
Try reconnecting the device. If Windows still does not recognize it replace
the device”.
Actions tried; Restart-no change. Unplug USB and reconnect-no change. Windows explorer-does not show the Seagate drive, nor does Disk Management. Device Manager no longer lists it, but there is "unknown device" showing in the USB list.
Unplugging the power and reconnecting has the drive working normally.
However....
Next re-awakening from sleep - the same Windows message.
As this drive needs to be on line in the small hours and must awaken the computer from sleep, this present condition means no backup, until restart and reconnect the next morning.
Is there a cure for this?
Seagate are willing to replace the drive, but if it is a W7 problem, then a new drive is no solution.
My computer has 2x320GB HDs, the first with Vista 32, Vista 64(both Business), and Windows 7 Professional 64 bit which I have been using as the preferred OS for 3 months. The second HD is for data.
In the last few days, when awakening the computer from Windows 7 sleep (moving the mouse) I have been getting the message:-
“The USB device has malfunctioned and Windows does not recognize it.
Try reconnecting the device. If Windows still does not recognize it replace
the device”.
Actions tried; Restart-no change. Unplug USB and reconnect-no change. Windows explorer-does not show the Seagate drive, nor does Disk Management. Device Manager no longer lists it, but there is "unknown device" showing in the USB list.
Unplugging the power and reconnecting has the drive working normally.
However....
Next re-awakening from sleep - the same Windows message.
As this drive needs to be on line in the small hours and must awaken the computer from sleep, this present condition means no backup, until restart and reconnect the next morning.
Is there a cure for this?
Seagate are willing to replace the drive, but if it is a W7 problem, then a new drive is no solution.
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Dean_S
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you might try to making an orderly shutdown after solving the issue by unplugging and replugging. make sure that the unknown device really has vanished in device manager. let the usb plugged when rebooting. after boot check device manager and call hardware wizard to solve problem if still exist.
is the unknown device your mouse ?
ASKER
Thankyou to the responders
acl-puzz
The Seagate hard drive does not come with a driver. It is recognized immediately on connection. ( I have Automatic Updates set so as to get the latest drivers).
I have now given the device to the supplier to test, so for the moment can't work on it. However, yesterday a Canon scanner, which has a mini size connector like the HD (but no separate power supply) also got the "Windows does not recognize.......". In its case unplugging and reconnecting worked, and today it is still OK after awakening from sleep. I have heard that this type of connector did give trouble in the past, so I am wondering if this is a factor. I will await the reponse from my supplier before I return to this.
is-profi
I believe I have done all the things you have suggested, and now this includes the referral to my supplier (hardware wizard).
IanTh
The "unknown device" was the Seagate external hard drive.
acl-puzz
The Seagate hard drive does not come with a driver. It is recognized immediately on connection. ( I have Automatic Updates set so as to get the latest drivers).
I have now given the device to the supplier to test, so for the moment can't work on it. However, yesterday a Canon scanner, which has a mini size connector like the HD (but no separate power supply) also got the "Windows does not recognize.......". In its case unplugging and reconnecting worked, and today it is still OK after awakening from sleep. I have heard that this type of connector did give trouble in the past, so I am wondering if this is a factor. I will await the reponse from my supplier before I return to this.
is-profi
I believe I have done all the things you have suggested, and now this includes the referral to my supplier (hardware wizard).
IanTh
The "unknown device" was the Seagate external hard drive.
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The partially selected is interim only - I await my supplier's response and probably a new Hard Drive. I will then be able to confirm or otherwise the resolution of this problem.