Company about
Home > Windows 7 > Serial Port Not Working Windows 7

Serial Port Not Working Windows 7


Learn more You're viewing YouTube in English (United Kingdom). Working... Simon Dave Malham # 13 Jan 2010 I have a problem with Windows not recognizing one of my 3 mbed units as a serial device. Tried all the changing of ports, swapping over of usb leads, rebooting of machine, running just one mbed, or two (my normal configuration as I'm working on CAN bus controlled lighttubes check over here

note: There may be a mode setting or mode listings for the parallel port. Edited: 25 Nov 2009 Hi Jim, Jim Harris wrote: Recently, I received my LPC1768 mbed. Try using COM4 or some other low number. Right click on COM1 / Properties / Port Settings / Advanced shows COM1 with COM2 "in use" and COM3 "in use".

Reset Com Ports Windows 7

Edited: 01 Dec 2009 Hi Jim, Jim Harris wrote: The good news is...I have it working. Press the RIGHT ARROW key to select Advanced. We have a serial cable connecting directly to a windows 7 computer and the other end of the rs232 cable plugged into the Mazak machine. To remove entries type: pnputil.exe -d oem###.inf (use space between exe & - and d & Oem then press enter) Remember to replace # with the number of the inf file

There may be a problem with the serial port itself. But as you have had the board working with Vista, it is unlikely to be this. This would confirm e.g. Windows 7 Com Port Settings If not, this is very strange.

Loading... Windows 7 Serial Port Test Finder The Doctors Live Healthy Health Videos Better Sleep Style Luxury Auto Beauty Dining Fashion Home & Design Home Elegance Lust List Travel Window Shopping Food & Cooking Alison Cook Restaurant But then also check if you disconnect/reconnect, that an old serial driver is not recognised. Loading...

I'd like to clean that list up a bit. Reset Com Port Without Reboot Help Desk » Inventory » Monitor » Community » ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: Connection to One by one, right click the phantom ports, and select Uninstall This should now have cleared out your system of unwanted phantom USB ports. On laptop computers, you will usually find only one serial (COM) port configured as COM1.

Windows 7 Serial Port Test

The good news is...I have it working. his explanation I then tried to run a program that writes out to the port. Reset Com Ports Windows 7 Support Forum Join the conversation! Release Com Port Windows 7 They are typically configured as COM1 and COM2.

First off, can you confirm the Firmware on the LPC1768 and LPC2368 mbed's are up to date (see Firmware). Loading... Loading... Older systems often have one 9-pin serial port and one 25-pin serial ports (these are D-shaped connectors on the back of the PC). Reset Com Ports Windows 10

Use the arrow keys to navigate to the "Safe Mode" option, and then press "Enter." This disables all but the basic programs, services and hardware connections, allowing you to reinstall the A serial port mouse may be using the resources of two COM ports. Sign in to add this video to a playlist. this content flashing an LED at the same time.

That is great news! Reset Com Ports Windows Xp Is there a way to test the port ? 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,

Also you may have driver package loaded on as program that may need removal using control panel/programs/uninstall a program.

Z7_3054ICK0KGTE30AQO5O3KA3015 hp-online-communities-portlet Actions ${title} Loading... Sign in to make your opinion count. Connect a serial or parallel device to test the serial or parallel port. Windows 7 Serial Port Driver I had tried removing and re-installing the COM port.  Don't know how Adobe would be related...

I would not worry about it being any other issue. I just went in and manually changed it to COM16, and it seems to have fixed the Windows error. From the Device Manager list, click the + next toPorts. Join the community Back I agree Powerful tools you need, all for free.

Jim Simon Ford # 01 Dec 2009 . We are using Camlink by Griffo Brothers as our software. If the computer reports that the driver package is in use by a currently installed device, then you must either uninstall the device first, or use the -f on the pnputil Continue removing the ports until all serial ports or all parallel ports are removed.

I finally chose COM9, and it works fine now. share|improve this answer answered Nov 11 at 7:37 ZtareKQF 1 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up Any ideas? have you talked to the guys that sold it to you they may know of a way to get it running i used to have a cable and programe for testing

I am guessing that the dual core or multicore is affecting you to. but it is now.. It's probably not your case since you do have mass storage working but just in case...Also, open Device Manager, choose View-Devices by connection, and check whether you have this kind of So only the "Arbiter" setting seems to be telling the Win7 system what is really "in use".

If it is, remove that too using the same process. Simon Dave Malham # 14 Jan 2010 Hi Simon, Duh'oh! Then (re)start teraterm and see if you get life! Re-installed drivers, and everything works fine.

Doing this will display the Modem Properties window. Sign in Share More Report Need to report the video? Jim Harris # 01 Dec 2009 Ok...just did a couple of more things.   I tried my LPC2368 mbed. Feel free to spend some time formatting your submission and I will reverse my vote. –Ramhound Oct 13 '15 at 16:30 surprised that this answer doesn't have upvotes, as

Also, can you clarify on the cable type?  Is it a serial cable on both ends, or is it a USB(PC side) to serial (CNC side)Verified COM port  settings and cable It always says the driver could not start. This may come to nothing, but it'd be good to discount it. share|improve this answer answered Apr 5 '12 at 17:44 grawity 160k20299384 1 The hidden serial ports don't seem the be the main cause of the issue.