I've been playing with the Arduino IDE on my Windows 7 laptop for a few weeks and having a bunch of fun with it.
However while I was working with a project I was fiddling around with the settings under the tools menu, and noticed that the "serial port" option was not selecting a any com port. I did see "COM 3" was available and selected it.
After I did this the Serial monitor DOES NOT OUTPUT any data. It also now is titled COM 3.
Nothing I can do will reverse this. In other words I cannot DE-SELECT COM 3 and restore it to the unselected way it was.
How do I fix this? Its important to get the serial output back.
I've tried holding the reboot button and plugging it in, then releasing it. Does not fix the problem
As far as I can tell this has nothing to do with the hardware, just the IDE itself.
Should I just remove Arduino from the PC and reinstall it? It actually doesn't look like I installed it. Is there some config file or registry setting that stores this information somewhere that I could manually edit?
If you open the device manager and open the section of the com ports (start-> computer-> manage-> devicemanager (something like that)
do you see the comport being added/removed when inserting the Arduino?
Arduino drivers can interfere with bluetooth devices, don't know the details, but you could try to turn them of.
Reinstalling the IDE can be done rather quick, so that can always be done.
robtillaart:
If you open the device manager and open the section of the com ports (start-> computer-> manage-> devicemanager (something like that)
do you see the comport being added/removed when inserting the Arduino?
Thanks for your reply. I've been hunting around and asking so far no one can provide a solution.
I have a unknown device "USB Serial" in device manager which disappears when I reboot the Teensy2.0, and reappears when I let go of the button. I CAN program the board and it works but I cannot get any serial.println() output in the Serial Monitor in Arduino 1.0. The basic serial example (for example) doesn't work. I'm positive this is DUE to the serial port being SET in the Tools menu, but it REFUSES to be UNSET from the IDE.
Arduino drivers can interfere with bluetooth devices, don't know the details, but you could try to turn them of.
Reinstalling the IDE can be done rather quick, so that can always be done.
I have no bluetooth devices on this laptop. And prior to SELECTING COM3 it worked 100%.
I simply unzipped Arduino into my project folder and it works. I tried making a second folder and unzipping Arduino again but the SAME setting came back in the new installation.
So this must be set outside the folder likely in a system folder or in the registry. But so far no one can confirm my assumption is true or not.
I really don't want to have to get another computer for this...
Since you are seeing "USB Serial" under unknown devices that is an indication the driver has not been installed for the virtual serial port.
Looking on the Teensy website, I came across this page that has instructions to download and install the drivers for the Teensy.
Once the drivers have been installed, Windows will assign a comm port for the Teensy and then you can select it's comm port.