Hi,
Are you using RS-232 cable or USB to Serial cable.
If you are using RS-232 cable, then
Did you install USB to Serial drivers ? The USB cable or the installed drivers may not be working properly. Try alternate cable.
Might be problem in USB to serial driver, RC build 7100 is upgraded version of windows 7, kindly upgrade your laptop with RC build 7100.
- Gautam K answered 3 years ago
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