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USB problem

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Old 23rd Apr 2010, 12:13
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USB problem

Can anyone shed light onto this odd USB problem. I have a Satmap GPS which was talking to my desktop using their Satsync software. Suddenly it has stopped communicating. If I plug the GPS into the desktop it shows up in Explorer as drive G: If I click on drive G it says ‘Please insert a disc into drive G:’ The Satsync software can’t see it either, it just sits there waiting for some input. Unplug the GPS and the ‘drive G:’ icon disappears as expected. Plugging in and unplugging also triggers the device connect and device disconnect sounds.
Plug the same GPS into a laptop using the same cable and all is well. All other USB devices on the desktop work normally. Much head scratching going on here. Any clues?
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Old 23rd Apr 2010, 14:50
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If you use Device Manager does that "see" the GPS device?
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Old 23rd Apr 2010, 14:55
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Can you/(have you) reinstall the software? Tried other USB slots?
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Old 23rd Apr 2010, 15:12
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When you unplug it do you do it safely or do you just haul the cable out?
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Old 23rd Apr 2010, 15:55
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Thganks for the replies.
(1) Device Manager sees the GPS unit as a USB Mass Storage Device
(2) Tried 2 other USB ports - same symptoms
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Old 23rd Apr 2010, 16:02
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Then, as mentioned before, reinstall the drivers/software.
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Old 23rd Apr 2010, 16:18
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Sorry forgot to mention, re-installing the software was the first thing I tried, do it 3 times now. Message sent to Satmap asking for help. Stunning silence from them. It was working fine before the volcano caused chaos.
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Old 23rd Apr 2010, 16:54
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The fact that your device works on your laptop but not on your desktop is highly indicative of a problem with your desktop. What version of Windows are you running on each of these systems ie, your laptop and desktop?
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Old 23rd Apr 2010, 17:02
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XP Pro on both
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Old 23rd Apr 2010, 17:23
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What does System Information see, if anything?

Start Menu> All Programs> Accessories> System Tools> System Information
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Old 23rd Apr 2010, 17:41
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Under components when the GPS is plugged in it lists it as a mass storage device. The laptop also reports it as a mass storage device.
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Old 23rd Apr 2010, 18:01
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Interesting. So the Desktop operating system sees the device just as the laptop OS does.

Prior to the commencement of hostilities or, problems, when you clicked on the GPS device (drive letter G:?) in Windows Exploder on the desktop, what appeared? The reason I ask is because in a previous post you wrote that when you double-clicked on the G: drive it asked to insert media. What did it do prior to the issue?

Have you tried a different cable? (Just for sh**s and grins!)
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Old 24th Apr 2010, 01:25
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Are you using a guest account on your problem machine? If so, what happens if you run as Admin?
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Old 24th Apr 2010, 09:26
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SoCal App - I don't understand how to do that because the GPS does not show up in Device Manager when it is unplugged.

Bushfiva - Same result when in both Admin and limited account. Interestingly the laptop only has an Admin account - so this is a difference beween the two machines. I probably need to wait for some response from Satmap.
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