USB connectivity - different laptops

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TimRose
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USB connectivity - different laptops

Post by TimRose » March 12th, 2009, 12:47 am

I have a VB6 application talking to a PM4 -and it works nicely on an old Toshiba laptop. Same application, same ergo, same USB cable on new Dell laptop and no communication!

USB cable is 2 metres.
Old laptop would be USB 1.0...and new is USB 2.0.

Any other people had this problem?

Tim Rows!

haboustak
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Post by haboustak » March 13th, 2009, 11:12 am

I've connected my PMs to a whole bunch of USB 1.0 and 2.0 hardware as well as several different makes of USB hub. If the monitor is listed as a Human Interface Device in device manager then the physical stuff is working.

Have you tried any other PM software on the Dell? Examples: The LogCard Utility or the SDK test application.

Only one application can use the PM at a time (file_share_none). It's possible some other application or service on the Dell is claiming and locking the device before you're able to launch the VB6 app.

Mike

TimRose
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USB connectivity

Post by TimRose » March 13th, 2009, 7:33 pm

Mike
I did try the default programs as well as my PM application.

Good point about checking the device manager... and any other app or service getting in before my app.

I have also realized that the PMI will 'wake up' upon connection to USB...so I will check that.
Good to know it is not a USB 1.0/2.0 thing.

Tim

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Citroen
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Re: USB connectivity

Post by Citroen » March 13th, 2009, 8:08 pm

TimRose wrote:Good point about checking the device manager... and any other app or service getting in before my app.
Two tools may help: USBDeview and SnoopyPro
Dougie Lawson
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Twitter: @DougieLawson

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