uploading sketch with Windows 7 - no COM3

Hello all,

I just migrated all my Arduino stuff to a Windows 7 PC. I was using a MAC with no problems, but since I've started looking into wireless with XBees I need to use X-CTU which only runs on a PC. <sigh> X-CTU is necessary to program the XBees in API mode, etc. etc. Anyway, now I'm having a problem uploading sketches using the PC. I keep getting the following message:

avrdude: stk500_getsync(); not in sync: resp = 0x00

I believe this has something to do with the COM port. I only see COM1 and COM2, which Arduino can't use, COM3 does not seem to come up and the sketches won't upload.

Any help is greatly appreciated.

Thanks,

Kevin H.

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0 ntewinkel over 13 years ago

Hi Kevin,

You need to set up the com port (Mac is soo much easier!).
Here are the instructions: http://arduino.cc/en/Guide/Windows#toc4

Hope that helps.

Cheers,
-Nico
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0 mcb1 over 13 years ago in reply to ntewinkel

Kevin

Some Windows have issues with the UNO.

There were some contributions on the Arduino forums.
Sometimes there are other windows programs using or monitoring the com ports.

At one stage I resorted to using the Freetronics driver, just to ensure windows loaded a different driver.

Mark
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0 mcb1 over 13 years ago in reply to ntewinkel

Kevin

Some Windows have issues with the UNO.

There were some contributions on the Arduino forums.
Sometimes there are other windows programs using or monitoring the com ports.

At one stage I resorted to using the Freetronics driver, just to ensure windows loaded a different driver.

Mark
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