JFW 4, XP, Braille displays, and Ports

  • From: "Jeff Bohrman" <jeffjaws@xxxxxxxxxxxxx>
  • To: "Mailing List JFW" <jfw@xxxxxxxxxxxxx>
  • Date: Sun, 11 Jan 2004 11:47:14 -0500

Hello:
I have a very difficult problem that my computer technician and others can't 
seem to figure all that out.  Most of the issues are related to the usage of 
Jaws and the ports I have on my Desktop.

 

I have a Dell 1.2 GHZ computer with three serial ports and a number of USB 
ports.  Up to about three weeks ago, I had been using various Braille Display 
units (PB 80, PB 40, and BL M40) on COM1 without any problem.  I have Windows 
XP Home edition operating system and use JFW 5 PRO.  Now all of the Braille 
Display units will not work on COM1 and COM2 but will work on COM4.  I think 
the problem started when I installed a new printer with an USB cable.

 

We contacted Dell who assisted us through performance test and they said the 
COM1 was communicating fine and dandy.  They could not help us further because 
we added the two serial ports on our own.  FS said to use COM4 and that was it. 
 The tech was here yesterday to try to figure out why COM1 and COM2 do not work 
and still no solution.

 

While the tech was here, I simply pulled out an USB cable with no device on it. 
 Presto, the Braille display went blank!  The tech had to power off and on my 
system to get the COM4 to communicate with the display.

 

And even more so weird was that we tried to install USB hub into the USB port 
in the back of the computer.  Windows XP would not recognize it so we had to 
move the plug into the USB port in front of the CPU.  I want to point out that 
we also did the performance test for all USB ports and they were communicating 
fine and dandy as well.  Jaws is damn strict when it comes to using USB ports 
always getting confused if we change things around on USB ports.

 

Why in the heck would the new printer cause all that havoc.  We even 
uninstalled the printer driver but this did not help.  Why aren't COM1 and COM2 
working with Braille displays????

 

Thank you!

 

Jeffrey Bohrman

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