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Old 02-15-2006, 10:25 PM   #1 (permalink)
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Default desktop manager - communication error

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Hello everyone, first post here! I've been using my BB 7250 with Sprint for a few days now and so far it is pretty cool.

YESTERDAY:
My question concerns the desktop software. I am attempting to link via USB. When I plug in the BB, windows detects it. Then I open the device manager, I see an attempting to connect message on the BB then I get a communication error window on the PC. Under connection settings it says something like "USB:XXX XXX" but in the status box at the bottom of the device manager window it says disconnected.

I tried resetting the BB (removed battery) and this did nothing.

Any suggestions? I figured that this is probably something really easy that I'm just overlooking.

TODAY:
Just tried with Sprint tech support on the phone to downgrade desktop manager. Uninstalled 4.1, installed 4.0 and I still have the same sort of issue.

If I start desktop manager then plug in the device, device manager doesn't see the BB. If I plug the BB in first, then start the software, it will detect the BB, and even see it's PIN under connection settings. Yet it still gives the same communication error window and shows that it is disconnected in the status bar area and the device now goes into a loop of saying "connecting to desktop" every 2-3 seconds.

Tech support said that I should try this on another computer to verify that it is either my PC or the BB. Seems like this should be a much easier fix...

Any suggestions?
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Old 02-16-2006, 01:21 PM   #2 (permalink)
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Nobody has any idea's?
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Old 02-16-2006, 01:26 PM   #3 (permalink)
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are you using an usb hub?
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Old 02-16-2006, 02:27 PM   #4 (permalink)
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We have that problem every now and then and end up manually registering the USB connection.

Take a look at the following KB articles and see if they work...

Support - Protocol Error: Data Transfer Aborted
Support - Desktop Manager remains in Working mode

Good Luck!
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Old 02-16-2006, 02:56 PM   #5 (permalink)
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Quote:
Originally Posted by murpheous
are you using an usb hub?
I believe so. When I look in the Windows device manager I see several entries under the USB portion. USB Root Hub & USB 2.0 Hub.

Why?
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Old 02-16-2006, 03:00 PM   #6 (permalink)
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Quote:
Originally Posted by Nomis
We have that problem every now and then and end up manually registering the USB connection.

Take a look at the following KB articles and see if they work...

Support - Protocol Error: Data Transfer Aborted
Support - Desktop Manager remains in Working mode

Good Luck!
Thanks, I've printed those to take home and give a try.
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Old 02-16-2006, 03:19 PM   #7 (permalink)
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Quote:
Originally Posted by UnChained!
I believe so. When I look in the Windows device manager I see several entries under the USB portion. USB Root Hub & USB 2.0 Hub.

Why?
No, thats normal to see that in the Device Manager. That doesn't meas your using a hub. Do you have your BlackBerry connected directly into your computer, or do you plug it into a hub. The hub then plugs into a computer. BlackBerries dont like hubs. You need to make sure your plugging the BlackBerry directly into your computer.

If nothing else has worked, try uninstalling/reinstalling the Desktop Manager one more time. Use the instructions from THIS thread.

P.S. When you reinstall the Desktop Manager, make sure your BlackBerry is NOT connected to your computer. Connect it after the install finishes.
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Last edited by d_fisher : 02-16-2006 at 03:22 PM.
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Old 02-17-2006, 08:43 AM   #8 (permalink)
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Quote:
Originally Posted by d_fisher
No, thats normal to see that in the Device Manager. That doesn't meas your using a hub. Do you have your BlackBerry connected directly into your computer, or do you plug it into a hub. The hub then plugs into a computer. BlackBerries dont like hubs. You need to make sure your plugging the BlackBerry directly into your computer.

If nothing else has worked, try uninstalling/reinstalling the Desktop Manager one more time. Use the instructions from THIS thread.

P.S. When you reinstall the Desktop Manager, make sure your BlackBerry is NOT connected to your computer. Connect it after the install finishes.
Thanks - printing the re-install thread right now!

I did succesfully pair the BB on my wifes PC, but after I loaded the BB device software upgrade (ver. 4.02.41A) from Sprint her PC wouldn't communicate with the BB either. I uninstalled that and it was back in business.

Back to my PC, in safe mode I removed all usb root hub's in Dev. Mgr. and unplugged all the devices. I also deleted desktop manager and the device upgrade. When I rebooted I had Windows load the MS drivers instead of the VIA's. I reloaded desktop manager, connected the BB and ended up with the same crap!

So now I still have my original "sync to my PC" problem plus now why does the device upgrade being loaded on the PC cause it not to communicate.

My guess is that the device manager version on the CD is 4.0.0.3.0 and the version on Sprints download site (where I got the device upgrade) is 4.0.0.3.3.

Would that last digit difference cause this.

This is really getting silly!
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