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USB problem and Metrologic Bar Scanner

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Anonymous   08-14-2005 at 06:41:03 PM

Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

We are a business with approximately 110 Dell Latitude Laptops, D550, D600,
D610 all running XP Pro which is continually updated. For unknown reason
after use for several days the Metrologic bar code scanners attached to the
USB quit working. The USB in device hardware shows no problems or conflicts
but too, when putting in the 3 1/2 in floppy drive which is also USB in
attempts to re-image the machine the the floppy is not recognized. It took
awhile but Dell is replacing Motherboards as a solution but we are at loss as
to what causes the problem. The was at one time a Dell service issue about
scanners not getting enough power to run from the USB ports but the article
has been removed. Any ideas anyone? Appreciate your help, Thank You.

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Anonymous   08-15-2005 at 02:09:16 AM
- 0 +

Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

Probably a power issue USB ports supply only 500mA per port. An optical
mouse uses 100mA no telling how much the scanner or floppy uses but if it is
more then that it will not work. Also a laptop will not supply full power
like a desktop if it is running on batteries.

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"Jeff C" <JeffC@discussions.microsoft.com> wrote in message
news:BEFAB3F4-213A-427A-B5A7-8941ED896410@microsoft.com...
> We are a business with approximately 110 Dell Latitude Laptops, D550,
> D600,
> D610 all running XP Pro which is continually updated. For unknown reason
> after use for several days the Metrologic bar code scanners attached to
> the
> USB quit working. The USB in device hardware shows no problems or
> conflicts
> but too, when putting in the 3 1/2 in floppy drive which is also USB in
> attempts to re-image the machine the the floppy is not recognized. It
> took
> awhile but Dell is replacing Motherboards as a solution but we are at loss
> as
> to what causes the problem. The was at one time a Dell service issue
> about
> scanners not getting enough power to run from the USB ports but the
> article
> has been removed. Any ideas anyone? Appreciate your help, Thank You.

Reply to Anonymous
Anonymous   08-15-2005 at 03:50:17 PM
- 0 +

Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

Jeff,
If your running _110_ Dell Latitude Laptops, and can't get support on
this issue from Dell or Metrologic, why would you do business with
these folks in the future?
Look under Device Manager, USB properties, and find out how much each
usb device is drawing. Usually 500Ma is the limit. You could try
connecting the bar scanner to a powered hub, to see if that corrects
your problem.
Best,
Treeman

 


--
Treeman

 


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