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Unable To Open Connection To Com3 Unable To Open Serial Port

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Please re-subscribe to our Newsletters. I also tried connecting with Hyperterminal, Tera Term and RS232Hex60, all with the same result: "Cannot open COM1" Does anyone have any suggestions as to where to continue troubleshooting? We've heard that some security software (in their scans of devices and files) can hold open COM ports - that's another area to think about. That is the strange thing about this problem. http://scriptkeeper.net/unable-to/unable-to-open-connection-to-com1-unable-to-open-serial-port.html

I reinstalled this sucker like twice and repaired it once, rebooted 3 times. Choose... Thanks! Do not send technical questions as PM's they will be ignored. http://support.plugable.com/plugable/topics/cannot_open_com3

Unable To Open Connection To Com3 Unable To Open Serial Port

I just did it again for a sanity check, setting the port to COM10. good solution!(undo) Cancel Edit Your Reply (some HTML allowed) Has the status changed? asked 1 year ago viewed 1262 times Related 116Hertz Uno R3 Board vs Arduino Uno R3 Board1Arduino as ISP with serial monitor for ATmega3281Error opening serial port '/dev/cu.Bluetooth-Modem'. (Port busy)0Arduino/Atmega328P on Short of uninstalling the VM software (which I really don't want to do) I am not sure what to try next.

I can't even select what port to use; the option is grayed out. this is unusual, so I'm suspecting something simple (but not obvious) that's causing the problem .. Choose... Unable To Open Com Port Windows 7 I guess the comport becoming obselete on laptops.

Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders Advanced Search Forum Old software Girder 3.3 "Cannot open Comport" error with USB serial Cannot Open Com Port Windows 7 Thanks, Rick Friday, July 08, 2011 1:50 PM Reply | Quote Answers 0 Sign in to vote What you can do is: My Computer->Properties->Hardware->Device Manager->Ports(COM&LPT)->select the port COM1and right click, Disable I just cannot get any serial terminal debug info out. http://answers.microsoft.com/en-us/windows/forum/windows_xp-hardware/unable-to-open-connection-to-unable-to-open-serial/9c904cca-8132-43af-be20-890eed575a5b support service status privacy policy terms and conditions Important information This site uses cookies to store information on your computer.

Regards,Matt 0 Kudos Message 3 of 4 (553 Views) Reply 0 Kudos Re: Cannot open com port Wolleee Active Participant ‎05-28-2015 05:13 PM Options Mark as New Bookmark Subscribe Subscribe to Putty Unable To Open Serial Port Thanks for letting us know .. It is quite possible for said ports to effectively get "locked up" and unusable until the PC is rebooted. Comment good solution!

Cannot Open Com Port Windows 7

Loading Profile... https://supportforums.cisco.com/document/12067526/usb-console-driver-and-windows-7 Can Egyptian citizen visit Armenia on valid USA visa? Unable To Open Connection To Com3 Unable To Open Serial Port When I connect the Arduino to my computer, the power LED glows and that code runs. Cannot Open Com Port Windows 10 From that, we'll figure out next steps...

I am now testing 3 MEGA boards, 2 USB cables. weblink And no one board response.What to do? kidding, amused, unsure, silly happy, confident, thankful, excited indifferent, undecided, unconcerned sad, anxious, confused, frustrated Cancel 0 Edit Delete Remove Official Fork Tom August 29, 2011 19:13 Hi Bernie I actually Bernie Comment good solution! Unable To Open Connection To Com1 Unable To Open Serial Port Putty

Jun 18, 2006 - 12:13 PM 12345Total votes: 0 Thanks Go4it !!! It comes with drivers on a mini-CD. Add Image I'm e.g. navigate here Not a problem Acknowledged In progress Solved Hi Tom, OK, if we can't shake the other application from connecting to COM3, let's change which COM port is assigned to the USB serial

The last time i use the board, it was fine. Cisco Serial Driver Now i moved one of these devices from COM16 to COM2 and it works perfectly now, but the other one wont work at all and why should i have to change Best regards t.

that error can just pop out at your machine for no apparent reason.

If you can't tell post a picture of the board or a link to where the board came from. John Reply With Quote September 1st, 2003,08:20 AM #4 Mark F View Profile View Forum Posts Private Message Senior Member Join Date Feb 2001 Location Plano, TX, USA Posts 3,055 "Cannot Been hacking at this for 30 minutes. Cisco Serial Driver Download Changing to use a different comm port is not an option.

This one works. You may have to register before you can post: click the register link above to proceed. But in either case the computer doesn't recognize anything new plugged to it. his comment is here See More Log in or register to post comments Kevin Smith Thu, 01/30/2014 - 15:11 Thank you...Mark Nickson......your solution worked perfectly...........been searcing on the web for three hours..........

this one is working. Same error message. Recognizing this, I guess there really is no problem, only an "operator" error on my part. good solution!(undo) Cancel Edit Your Reply (some HTML allowed) Has the status changed?

See More Log in or register to post comments rusfatman Wed, 06/17/2015 - 02:43 Thank you, works fine! Browse other questions tagged serial atmega328 or ask your own question. By continuing to use our site, you consent to our cookies. Any help would be greatly appreciated.

kidding, amused, unsure, silly happy, confident, thankful, excited indifferent, undecided, unconcerned sad, anxious, confused, frustrated Cancel 0 Edit Delete Remove Official Fork muthu pavithran August 27, 2014 18:46 hi sir i Big Thank!! Only today when I connected it to my computer, I got this error-avrdude: ser_open(): can't open device "\\.\com3": the system cannot find the file specified....The "port" under tools menu is grayed