Fix Communication Port Com1 Not Working (Solved)

Home > Windows 7 > Communication Port Com1 Not Working

Communication Port Com1 Not Working


If the CPU, for example, wants to send information out on COM1, it writes to I/O port 0x3F8, as this I/O port is "connected" to the UART IC register which holds Choose "Port Settings" Tab, and click "Advanced" Under "COM Port Number", try selecting a different COM port Unplug and replug the mbed to reload the driver - if the problem persists, Please report back how you get on. Please re-enable javascript to access full functionality.

BLEEPINGCOMPUTER NEEDS YOUR HELP! CONTRIBUTE TO OUR LEGAL DEFENSE All unused funds will be donated to the Electronic Frontier Foundation (EFF). Have a computer technician check to see that the serial port cables are properly connected to the motherboard. How to Fix Computer Port Problems...

Com1 Port Not Working Windows 7

Simon Simon Ford # 01 Dec 2009 And remember to unplug-replug after making the change to reload the driver, and see any results. I then go back to see what the settings are. Proposed as answer by arnavsharmaMVP, Moderator Wednesday, June 05, 2013 5:40 AM Marked as answer by arnavsharmaMVP, Moderator Tuesday, July 09, 2013 9:12 AM Friday, April 06, 2012 1:23 AM Reply For more information about ActiveSync or Lynx, please refer to the Field PC user`s manual.

I changed the port for this to COM2 and run my software, eventhough COM1 dosn't show in the Port List.awaithing your reply pleasebest regardsabdul naser 0Votes Share Flag Collapse - Did You would have to install a driver for such a device. I had moved the port to many places, but had to keep it between COM1 and COM16, as Terraterm only goes up to port 16. Com Port Not Working Windows 7 Open the WavPlayer software by clickingStart | Programs | Bytescribe | WavPlayer.

Select the Modem tab from the Properties window. Was this article helpful? Now could you find booting time what happend with COM1. 0Votes Share Flag Collapse - I'm not exactly sure what you're asking. Edited: 14 Jan 2010 Dave, try this method.

For sanity, it might also be worth ensuring the program on the mbed really is running - e.g. Unable To Open Connection To Com3 Unable To Open Serial Port I'm looking for anyone that can tell me what setting(s) I can change to make COM1 to work without having to go through additional steps after restarting the workstation. ARM websites use two types of cookie: (1) those that enable the site to function and perform as required; and (2) analytical cookies which anonymously track visitors only while using the If windows did not recognize any serial (COM) ports in step 1, but you do have 9-pin or 25-pin serial ports on the back of your computer, the serial (COM) ports

Unable To Open Connection To Com1 Unable To Open Serial Port Putty

Maybe just change the communications port to whatever available (besides com1 of course) then try shutting down the laptop and restarting without changing the USB port. Note: the installer needs to be run for each mbed, as windows registers the drivers based on the serial number. Com1 Port Not Working Windows 7 There may be a problem with the serial port itself. Unable To Open Com Port Windows 7 I REMOVED ALL OEM*.* FILES RELATED TO USB FORM C:\WINDOWS\INFNOW IT IS PERFECTTHANK YOU VERY MUCH FOR COOPERATIONABDUL NASER 0Votes Share Flag Back to Networks Forum 13 total posts (Page 1

The whole cause and effect thing might make things worse if i try that . But in the mean time you could look at the following: (Note, I don't have an XP machine with me so can't guide exactly - based on Vista). By disabling cookies some features of the site will not work.

Read More accept and hide this message Report Content × Spam Inappropriate Cancel Access Warning You do not have the Beginning to think I am having problems on the PC with XP. Unable To Open Connection To Com1 Putty Windows 7

Going back to the LPC1768, it fails. For instructions, please visit our website starting at: Reset System Testing the Serial Port If you feel the serial port on the Field PC is not communicating, the Make sure ActiveSync or any other program is disabled from using the serial port before continuing. A case like this could easily cost hundreds of thousands of dollars.

share|improve this answer answered Jul 14 at 23:17 Wes Sayeed 7,57511538 Selected this for best answer purely because it addresses the primary part of my question: what the Communications Cannot Open Com Port Windows 7 by tstreich ยท 8 years ago In reply to COM1 PROBLEM In device manager did you look at the Communications port(COM1) under Ports (Com & LPT)?? 0Votes Share Flag Collapse - Disable the modem in BIOS setup or Device Manager.

That didn't help.>> In my old Dell XPSR450, I had the internal modem AND the COM port> worked fine for GPS, Palm, etc.

Double-click on theComputersetting and the following Computer Properties window will appear. Set the computer on its side so that the PCI and ISA cards sit at a 90-degree angle to the floor. Why do most microwaves open from the right to the left? Serial Port Not Working Windows Xp yes / no Related articles Common connection issues with ActiveSync / WMDC Configure Archer with Hemisphere XF101 for GPS/GIS applications CF card device not working or not recognized Hemisphere GPS PocketMax

Look for other programs that might be using a serial (COM) port. Select Com2 or Com4 for hotsynch or disable the modem, preferably >in BIOS, if it is not being used. Can you go back to a restore point prior to the tweak?You can try to remove all the com ports and let the computer rediscover them. In addition, COM1 shares computer resources with COM3, so it is very likely that you will also not be able to use COM3 for your WavPlayer foot pedal.

you could try and disable the com port in the BIOS [but then you said your laptop doesn't have one so the BIOS shouldn't report that there is one]. 0Votes Share THE device manager reports "This device cannot find enough free resources that it can use. (Code 12) If you want to use this device, you will need to disable one of On laptop computers, you will usually find only one serial (COM) port configured as COM1.