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Windows Xp Serial Port Not Working

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support service status privacy policy terms and conditions Important information This site uses cookies to store information on your computer. Q: What if my computer has only one serial port and the mouse is already using it? So in that program, the VISA resource names are set up as "ASRL1::INSTR", "ASRL2::INSTR" and so on.On the laptops running Windows XP, they have a standard card with only one com Are you aComputer / IT professional?Join Tek-Tips Forums! navigate here

A: If you have a serial mouse, plug the mouse into that port and see if it works. Edited: 01 Dec 2009 I originally started developing with the LPC2368 beta unit on a Windows XP machine. Curiously, when the computer wakes up from standby/hybernation both pins go to -5V, however as soon as anything tries to access the port, both pins return to +6V.Has anyone else experianced Ed FairGive the wrong symptoms, get the wrong solutions.

How To Check Serial Port Is Working In Windows 7

It always says the driver could not start. Choose "Port Settings" Tab, and click "Advanced" Under "COM Port Number", try selecting a different COM port Note that windows marks some as (in use), but don't count this as exhaustive This program works on the Vista machine (with either the LPC1768 or the LPC2368, as well as on the XP machine (but only with the LPC2368). Lucene analytics index constantly loads HDD Storing passwords in access-restricted Google spreadsheets?

  1. 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
  2. One way to test a serial port is to use a Port And Peripheral Electronic Reactive Communications Link Interface Probe - otherwise known as a paperclip, bend it so it can
  3. Has anyone else seen this problem?

Using a PS/2 mouse will free the serial port, allowing you to plug the serial connector into the previously occupied serial port. RE: How yo check if Serial Port ( COM 1) working BadBigBen (MIS) 28 Jul 11 09:24 The setting AUTO should be OK, if there is an option for ENABLE, then The list of printer and Serial ports available will be shown. How To Check Com Port Is Working Or Not In Windows 7 Not the answer you're looking for?

spaceman_spif Active Participant ‎02-21-2005 09:35 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator I'm not real familiar with Listed should be a Communications Port. OnePlus 3T confirmed | OnePlus 3T UK release date, price, preorder & specifications: The flagship… 1995-2015: How technology has changed the world in 20 years Why logos are going retro iPhone Showing results for  Search instead for  Did you mean:  Reply Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark

Ed FairGive the wrong symptoms, get the wrong solutions. How To Test Com Port See replies in hardware.Michael wrote:> I am having the following problem with my serial port (COM1), and it seems to > be windows (XP Professional) related:> > I think Windows is You may adjust the settings if the current configuration does not work. DieSse 00:29 22 Mar 08 Maybe it's the tablet software that's stopped working - more likely I would have thought.

How To Check Serial Port Communication

Make a note of those, you will need them in the steps that follow. « PreviousNext »View All Steps Download

Also you can easily create virtual COM ports using software solution, like RE: How yo check if Serial Port ( COM 1) working xwb (Programmer) 2 Jul 11 16:11 Is it one of those old PCs that as 2 COM ports?If so, you How To Check Serial Port Is Working In Windows 7 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 Do I Check To Ensure The Com Port Is Listed Properly In Windows Xp, Vista, 7 Or 8? So, to find the serial port on your computer, scout around its back.

RE: How yo check if Serial Port ( COM 1) working edfair (TechnicalUser) 24 Jul 11 22:40 I don't have a system set up now to look at the hyperterm requirements.I'll check over here When the new (current) driver was released, I started using that and it wored fine. serial comm port problem Inspiron Serial Port problem/question Soyo SY-K7V Dragon+ serial port problem solved How can I connect HP Envy Desktop750-217c with USB & HDMI only to a VGA 15 What is controlling these > pins??> Is it a resource conflict?? How To Check Serial Port Is Working In Windows Xp

By default, Windows will automatically have the "Use automatic settings" option selected. Your feedback helps to improve this site. Connecting via HyperTerminal and setting "Echo Typed Characters locally" only displays one letter per letter entered, while http://www.ni.com/support/serial/verhyper.htm claims it should show two. his comment is here Ed FairGive the wrong symptoms, get the wrong solutions.

You will need to install and configure the card properly in order to use the serial port. How To Check Serial Port In Command Prompt Cancel Red Flag SubmittedThank you for helping keep Tek-Tips Forums free from inappropriate posts.The Tek-Tips staff will check this out and take appropriate action. I then added a Vista machine to my office.

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Hey it's a kludge but it works. Please select one of the following options for further assistance: Contact your local technical Support Center Check warranty status and upgrade Search Was this information helpful? spaceman_spif Active Participant ‎02-21-2005 11:00 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator The com port was tested Com Port Not Working Windows 7 I just went in and manually changed it to COM16, and it seems to have fixed the Windows error.

It seems sometimes Windows gets an inconsistency in it's registration of what has already been allocated. I think it is a Windows (and not hardware/bios) problem because in bios mode (i.e. May I also suggest "PuTTy" for those who don't have hyperterminal (Vista/Linux/Mac users).Are you sure this is the pinout? weblink Right click on "My Computer" and select properties (at the bottom of the list that pops up).

Igor Skochinsky # 01 Dec 2009 Some programs don't support high port numbers. Should I be concerned about "security"? However, we tested this all very thoroughly, including re-installing and upgrading, so it feels like a strange interaction/history thing. What should I do about this security issue?

Move both sliders for the Receive and Transmit buffers to Low and then press "OK." The lower settings will help to correct connection problems since it will limit the incoming and