Home > How To > Serial Port Not Working Xp

Serial Port Not Working Xp

Contents

You may block or delete all cookies from this site but parts of the site may not work. And checking teraterm is restarted. If it is, remove that too using the same process. Because mine only works if you short out the 3rd and 4th from the left of the top row.Forget my last message, I worked out how to do it, set "Flow check over here

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. the wrong image hadn't ended up on the wrong board!?! current community blog chat Super User Meta Super User your communities Sign up or log in to customize your list. Then i switched the blinking leds of, Reinstalled the driver, and voila,  working, on a port which was blocked before....   Please log in to post a reply. © mbed blog

How To Check Serial Port Is Working In Windows 7

Still no serial data. I tried it on my Vista machine, and had to re-install the Windows serial port driver but all is working well on it. Null cables switch wires. By joining you are opting in to receive e-mail.

Attempting communications over the COM port provides the exact same result whether it is plugged in or not. I have an old 486 laptop w/o USB or a cd-rom, so I keep a small DOS partition on one desktop. I then loaded the new drivers onto the Vista machine and all worked fine.   Recently, I received my LPC1768 mbed. How To Check Com Port Is Working Or Not In Windows 7 This page gives you a simple example of configuring screen on Mac:

https://blogs.oracle.com/blogsagainbynight/entry/t...

That is the correct pinout if you are looking directly at the female and it is correct if

Great job.I think neelandan used a scanner as it says in his other instructables. How To Check Serial Port Communication Add Stickiness To Your Site By Linking To This Professionally Managed Technical Forum.Just copy and paste the BBCode HTML Markdown MediaWiki reStructuredText code below into your site. Microsoft: Windows XP Whatever gets in through the ... 7 Step 7: Start typingWith the loopback plug in place, click inside the hyperterminal window and press a few random keys on the keyboard. http://www.tomshardware.com/forum/50350-45-serial-port-problems The list of printer and Serial ports available will be shown.

This program usesa serial port for communication. How To Check Com Port Is Working Or Not In Windows Xp http://behindtheweb.blogspot.com/ RE: How yo check if Serial Port ( COM 1) working rclarke250 (TechnicalUser) 28 Jun 11 15:18 is the serial port configured for the device in question? Edited: 01 Dec 2009 I originally started developing with the LPC2368 beta unit on a Windows XP machine. I do not have the resources while at work to create a loopback RS232 cable, but may try that on a third machine when I get home.

How To Check Serial Port Communication

Can i have the exe of hyperterminal because i cant find itActually the usb port is usually easier to work, it sets itself up. http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/serial-port-not-working-in-xp-virtual-pc/69e4168d-dfe6-409a-b9b9-9f994b98f507?db=5 Ben"If it works don't fix it! How To Check Serial Port Is Working In Windows 7 When you can see what you are typing, you know that the COM port is working and you can see which port number the physical serial port is. How To Check Serial Port Is Working In Windows Xp Note: To open a telnet session on the COM port, you need a telnet client like PuTTY or Hyper Terminal.

This would confirm e.g. I also made sure that the baud rates, stop bits, etc. Note: the installer needs to be run for each mbed, as windows registers the drivers based on the serial number. spaceman_spif Active Participant ‎02-19-2005 12:58 PM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator I wrote a program that How Do I Check To Ensure The Com Port Is Listed Properly In Windows Xp, Vista, 7 Or 8?

For sanity, it might also be worth ensuring the program on the mbed really is running - e.g. Thank you for your persistence; I'm sure it will help any other unlucky Windows users solve their problem much more quickly. So...in review....same PC, running XP, same terminal program, same code (compiled for the appropriate mbed board). I installed it on Windows XP Mode and attempted to run the program.

Also worth mentioning is that some usb devices set themselves up as virtual serial ports ( and if you do not have a serial port this is how usb to rs232 How To Test Com Port Did I cheat? Re-installed drivers, and everything works fine.

By continuing to use our site, you consent to our cookies.

The COM ports exist with no visible problems on device manager (though no attached devices come up, again don't know if they should). If perhaps we got mixed up in what you are using it may be that you don't have a null cable. The device shows no change in status whether it is plugged in to the computer or not (though I am not certain that it should). How To Check Serial Port In Command Prompt Member ‎02-21-2005 11:11 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator Hi Spaceman:Are you able to communicate with

It is the first we've seen where it was not easily resolved. Try putting the Serialdevices... This may come to nothing, but it'd be good to discount it. Jim Harris wrote: I then tried to run the LPC1768 on my XP machine, and again found I had to re-load the Windows Serial Port Driver.

Click on the "Hardware" tab. RE: How yo check if Serial Port ( COM 1) working rclarke250 (TechnicalUser) 23 Jul 11 15:26 The link I posted back in June, shows how to create the loopback plug Ed FairGive the wrong symptoms, get the wrong solutions. Privacy statement  © 2016 Microsoft.

So I set up that version of the program to use COM1 as the VISA resource name. If you are not happy with this use of these cookies please review our Privacy Policy to learn how they can be disabled. Microsoft Customer Support Microsoft Community Forums Windows Client   Sign in United States (English) Brasil (Português)Česká republika (Čeština)Deutschland (Deutsch)España (Español)France (Français)Indonesia (Bahasa)Italia (Italiano)România (Română)Türkiye (Türkçe)Россия (Русский)ישראל (עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 So I think the summary of the problem is: Windows sometimes incorrectly and repeatably allocates mbed to a COM port which is in use/not suitable which it thinks is free The result is

Next, install MAX on the target machine. I wonder if this is some hangover from the old driver getting picked up when you put in a new device. windows-xp rs232 share|improve this question asked Jul 30 '12 at 15:19 Evan Williams 1112 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote 9600-8N1 With COM Not the answer you're looking for?

George Lee Member ‎02-20-2005 07:37 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator Hi,Have you done the loopback RE: How yo check if Serial Port ( COM 1) working bronano (TechnicalUser) (OP) 3 Jul 11 06:15 @xwb,Yes my PC is old one with 2 COM ports.I'll try what you RE: How yo check if Serial Port ( COM 1) working vacunita (Programmer) 28 Jun 11 14:12 Technically speaking, Windows does not automatically detect hardware plugged into serial ports, like COMs.You Thought maybe it had been suggested before.

LoginQuick Buy United States Canada United Kingdom France Spain Netherlands Republic of Ireland Sweden Austria Switzerland Germany Italy Belgium Europe Mexico Japan Australia International (USA) English [change] 1 800 265 1844 Jim Harris wrote: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. Edited: 01 Dec 2009 Hi Jim, Jim Harris wrote: The good news is...I have it working. When the new (current) driver was released, I started using that and it wored fine.

Terms | Privacy | Site Feedback Follow us on Twitter | Find us on Google+ Developer Resources Partners Cloud Hardware Boards Components Documentation Documentation Cookbook Code Questions Forum | Log In/Signup If not, this is very strange. Check here for making a loopback plug, and performing the loopback test.