couldn't upload to my arduino..

hello! I just received my arduino duemilanove and tried to upload a few examples to it but no success.I'm using ubuntu 9.04. here is the error:

Binary sketch size: 914 bytes (of a 30720 byte maximum)

processing.app.SerialException: Serial port 'COM1' not found. Did you select the right one from the Tools > Serial Port menu?
at processing.app.Serial.(Serial.java:153)
at processing.app.Serial.(Serial.java:76)
at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:71)
at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:78)
at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:53)
at processing.app.Sketch.upload(Sketch.java:1460)
at processing.app.Sketch.exportApplet(Sketch.java:1427)
at processing.app.Sketch.exportApplet(Sketch.java:1382)
at processing.app.Editor$45.run(Editor.java:2165)
at java.lang.Thread.run(Thread.java:619)
processing.app.debug.RunnerException: Serial port 'COM1' not found. Did you select the right one from the Tools > Serial Port menu?
at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:91)
at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:78)
at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:53)
at processing.app.Sketch.upload(Sketch.java:1460)
at processing.app.Sketch.exportApplet(Sketch.java:1427)
at processing.app.Sketch.exportApplet(Sketch.java:1382)
at processing.app.Editor$45.run(Editor.java:2165)
at java.lang.Thread.run(Thread.java:619)
processing.app.debug.RunnerException: Serial port 'COM1' not found. Did you select the right one from the Tools > Serial Port menu?
at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:91)
at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:78)
at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:53)
at processing.app.Sketch.upload(Sketch.java:1460)
at processing.app.Sketch.exportApplet(Sketch.java:1427)
at processing.app.Sketch.exportApplet(Sketch.java:1382)
at processing.app.Editor$45.run(Editor.java:2165)
at java.lang.Thread.run(Thread.java:619)

Serial port 'COM1' not found. Did you select the right one from the Tools > Serial Port menu?

serial port menu is grayed out

ok problem solved! serial port menu is now working fine.maybe becoz of restarting the computer ::slight_smile: