Port com1 windows xp

On the Port Settings tab, make the appropriate changes. Additionally, how do I set up a COM port? Right click on the Device and click on Properties. Click on the "Port Settings" tab. Pull down the scrollbar and select COM1. To check what port is used by what service. If you are using a serial port built into the computer , it will be listed as a "Communications Port ".

Click Performance and Maintenance. Click System. From the Hardware tab, click Device Manager. Summary Right-click the My Computer icon on your desktop, and then click Properties.

Click the Hardware tab, and then click Device Manager. Now on the right panel, you can see the key ComDB. In value Data section select all and delete reset to zero 0 Close the registry editor and then restart your computer.

Refer: How to manage devices in Windows XP. Hope the information helps. Please post back and let us know. Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback. Apparently XP Professional does, but that is not available. To see if this is the problem and hopefully fix it , try changing the assigned COM port. Open the Windows Device Manager. Right-click on the device whose designation you want to change and select Properties.

Click on Port Settings and then click the Advanced button. Take a metal paperclip or wire and cross pins 2 and 3. Open the HyperTerminal Software and create a new connection.

Enter a name for your connection and click OK. The device is very important in data transfer. It allows data to be moved between devices. Still, USB ports can be used to supply electric power using a cable to devices that don't have their own source of power. Click on the Port Settings tab, and then click the Advanced Button. For this, click show hidden devices under View, then expand all the nodes under device manager.

Uninstall any entries which appear grayed out, then restart. Then try plugging your external device to the computer and see if it works. IRQ 04 is the current setting. To get the reimaged workstation to open COM1, I open COM1 properties, resource tab, un-check then re-check the "Use automatic settings" box without applying the un-check status.

After re-checking the "Use automatic settings", I click OK. I then go back to see what the settings are. It has changed to IRQ This change works until the workstation has been rebooted then these steps have to be applied again. I do not have the problem with any comm ports except COM1. We're using canned software. Changing to use a different comm port is not an option.

It appears the cloning process causes the problem.