634 display shows up in USB not COM ports

resalution

New member
Hi i have the 634 USB display and i install the usb drivers first then i install crystalcontrol and theni plug in usb. But i cannot get anything to show up on the display. when i open up Device Manager, I see the 634 display in tthe usb section but not in the COM section. How can i fix this problem.

My system specs are:
WINXP
ASUS P4C800-e
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Last edited:

CF Mark

Administrator
It should show up under "Ports" as a "Crystalfontz ...."

If it doesnt, try running the "Add device wizard". It should find it, and ask for the driver location.
 

resalution

New member
hi guys i tried to install again with the usb drivers and CrystalControl 1.02 and when i load like a screen, it displays weird letters like in the pic. What can be the problem.

System SPecs:
Asus P4c800-e
WINXP Pro w/all the recent updates
 

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CF Mark

Administrator
Use the com port speed of "19200".

Also make sure both of the little switches on the back of the LCD are on (in the up position).
 
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