Ben Knight of NI 02-20-2005 09:06 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator The first Q I 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 Reply to soundguruman SpirlazzJul 8, 2016, 9:58 AM Thank you so much! Sign in to report inappropriate content. http://helpsbs.com/not-working/netgear-router-lan-ports-not-working.html
Verify that you have the correct IRQ settings for the port. COM25 or some other higher one. I have done all the checks you suggest and the RS232 port is kaput. Join your peers on the Internet's largest technical computer professional community.It's easy to join and it's free.
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. Browse other questions tagged windows-xp rs232 or ask your own question. First I'd heard that I would need a driver to install a driver. It seems sometimes Windows gets an inconsistency in it's registration of what has already been allocated.
Click Performance and Maintenance and then click System. Reports: · Posted 8 years ago Top carvedeggshells Posts: 39 This post has been reported. Then unplug-replug and check it comes in OK (i.e. Hyperterminal Dangerous-Dev 1,174,189 views 5:28 Why Windows Will Not Recognize USB Thumb Drive - Duration: 2:14.
Is there some way to disable the USB ports in BIOS without uninstalling them first, so that when I uninstall them in device manager, it sticks? Usb Ports Not Working Windows 10 I downloaded Driver detective, and it found the problems and installed drivers, but that's when the error occurred on the driver installation. Ed FairGive the wrong symptoms, get the wrong solutions. SOS - PC 825,338 views 4:14 Fix USB Ports Not Working in Windows 10 - Duration: 6:19.
Lucene analytics index constantly loads HDD Why are most pens (that we use to write) blue in color? Device Manager Edited: 01 Dec 2009 Hi Jim, Phil suggested it could be that windows is trying to allocate it to a COM port that is already in use. Go to Device Manager > Ports (COM & LPT) > mbed Serial Port, then right-click and select "properties". 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
That's because there are a lot of other services that have a dependency on Plug and Play. http://helpsbs.com/not-working/f8-not-working-windows-10.html Loading... If you can, the port is free and the problem is apparently on the LV side. Jim Harris # 01 Dec 2009 I am using Terratermpro that allows up to COM16. However...I also tried COM2...still no luck. Usb Device Not Recognized
What am I doing wrong? If perhaps we got mixed up in what you are using it may be that you don't have a null cable. RE: How yo check if Serial Port ( COM 1) working bronano (TechnicalUser) (OP) 27 Jul 11 08:55 Used a VOM to test the voltage on the Tx signal,no voltage.I 'll Source Obviously you should not try this experiment with any unsaved files open.
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. Serial Port That's like going to the car mechanic with engine trouble and being told you need a new engine. "Yup. spaceman_spif Active Participant 02-19-2005 01:08 PM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator Here's some more info...on my
Nope. I fell asleep as the drivers were loaded so I may have missed a warning or something but long story short my USB ports would not work. For sanity, it might also be worth ensuring the program on the mbed really is running - e.g. Null cables switch wires.
to help diagnose this, can we run through a few things... Here are a couple suggestions: 1. share|improve this answer edited Jul 30 '12 at 15:57 answered Jul 30 '12 at 15:47 RedGrittyBrick 57.4k1184134 add a comment| Your Answer draft saved draft discarded Sign up or log have a peek here Thanks for that and, by the way, what CMD did you use?
Sign in to make your opinion count. Learn something new every day. They are very hard to navigate and I can't seem to get an ATI driver that will install correctly. If it doesn't crash your system right away, you might have time to uninstall the USB root hubs in Device Manager and shutdown.
Emilie S. Red Flag This Post Please let us know here why this post is inappropriate. Check here for making a loopback plug, and performing the loopback test. I really agree that you should look into why the RS232 port has stopped working.
I wonder if this is some hangover from the old driver getting picked up when you put in a new device. Reply to Spirlazz Related Resources solved USB 3.0 Ports Not Working solved USB Ports Stop Working post boot solved USB ports not working on first boot solved Front 3.0 USB ports Then (re)start teraterm and see if you get life! There may be several, you must do each, one at a time.
Double check by measuring on 2. Thought maybe it had been suggested before. DrGrant4 735,785 views 1:02 How to Repair a USB Corrupted and USB Not Recognized problem use CMD (command prompt) - Duration: 4:39.