To check what port is used by what service. Open device manager Select the COM Port Right click and then click on Properties/Port Settings Tab/Advanced Button/COM Port Number Drop-down menu and assigned the COM port. Starting from COM1 and changing to COM2, etc for each device. You can assign Ports to each device. I hope that this information helps. Here, find USB Settings and expand this to find USB selecting suspend setting. Change the drop-down menu to Disabled, then click Apply and OK to I was able to get all 4 USB ports on my desktop working after uninstalling the USB host controller and restarting. Overall, it took about 5 minutes. Date Published: December 23, 2009 Last Updated: 2010-06-25 Applies To • G uard1 Plus versions: 2.06, 2.5x, 2.60, 2.7x, 2.8x, 3.x • G uard1 Plus SE versions: 4.12, 4.20, 4.30, 4.40 Summary You are having problems downloading your readers and need to verify the COM port settings for the Downloader or reinitialize the COM port. If your Downloader is connected to your PC with a Serial cable: • Right-click My Computer (Computer in Windows Vista & 7) and select Manage. • In the left column, under System Tools, click Device Manager. • In the right column, expand the Ports (COM & LPT) folder. Your serial port should be listed as Communications port (COM#). NOTE: depending on your PC’s configuration, the COM number may be different. Typically it is COM1 or COM2. • NOTE: This applies to Direct Downloaders only; if you have a Mobile or Modem Downloader, skip to the next section to reinitialize your COM port. If the Serial port is listed, check the Device Manager list for a folder named Downloader. Driver for mac to read ntfs download. Autocad 2017 for mac product key. • If the Downloader folder is present, expand it. You should see an entry for TKS Direct Downloader. Carbon clone for mac. Right-click this entry and select Properties. • In the Properties window, the Location field will show the COM port the Downloader is attached to. Verify that this COM port exists in the Ports (COM & LPT) folder. Many issues with Serial connections can be resolved by reinitializing the COM port. To do this: • In Device Manager, expand the Ports (COM & LPT) folder. ![]() • Right-click the COM port your Downloader is connected to and select Uninstall. • Choose OK or Yes. • You may be asked if you want to restart the computer. If so, choose Restart now, then click OK to restart the PC. If you are not asked to restart, close all open Windows and restart the PC. • When the PC restarts, the COM port will be re-added automatically. Try downloading again to see if the problem is resolved. If your Downloader is connected to your PC with a USB cable: • Right-click My Computer (Computer in Windows Vista & 7) and select Manage. • In the left column, under System Tools, click Device Manager. • In the right column, expand the Ports (COM & LPT) folder. There should be an entry for Prolific USB-to-Serial Comm Port (COM#). If this entry is NOT present, skip to Step 4. If this entry is present and the COM number is 8 or lower, skip to Step 5. If the COM number is higher than 8, disconnect the USB cable from the PC, wait 10 seconds, and reconnect it to a different USB port. Check the “Prolific” entry to see what COM number is assigned. If it is now 8 or lower, skip to Step 5. If it is still higher than 8, you must manually assign the COM port: • Right-click Prolific USB-to-Serial Comm Port (COM#) and select Properties. • Click the Port Settings tab. • Click Advanced. • Click the COM Port Number drop-down arrow, then scroll to the top of the list. • Find an available COM port between 1 and 8 and select it. • Restart the PC, then open Device Manager and verify that the “Prolific” entry is on the desired COM port, then skip to Step 5. • If the “Prolific” entry is not present, check the Device Manager list for a folder called Unknown Devices (with a yellow question mark). If that folder has an entry for USB Serial Controller (with a yellow question mark), the driver for your USB cable is not installed. The driver can be obtained from: • The Plug and Play Downloader Drivers CD that came with your system. • The G uard1 Plus 2.60 or higher CD. • The Attendant SE folder on the Guard1 Plus SE Server share.
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