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Thanks. I will check the serviceability of my adaptor and optical mouse by using both on another computer. The adaptor is an MS product. My wish (intention) is to use an optical mouse (with a USB cable) in a PS/2 port. As an alternative, I could, as you suggest, buy a new PS/2 mouse instead. My conclusion, that there is a problem, is based on the 'error report' that I described in my first post and because I cannot uninstall the PS/2 mouse. Once again, many thanks for your thoughts on the issue.

Thanks. I will check the serviceability of my adaptor and optical mouse by using both on another computer. The adaptor is an MS product. My wish (intention) is to use an optical mouse (with a USB cable) in a PS/2 port. As an alternative, I could, as you suggest, buy a new PS/2 mouse instead. My conclusion, that there is a problem, is based on the 'error report' that I described in my first post and because I cannot uninstall the PS/2 mouse. Once again, many thanks for your thoughts on the issue.

I wish to run a wired optical mouse via a USB to PS2 adapter because I am short of available USB ports. Also, it seems to me that there is a PS/2 problem that should be fixed, rather than avoided. I realise that the articles refers to operating systems other than XP, but thought I would try the solutions mentioned, as I had run out of other options (before asking you for help) In response to beeceebee: Yes, I have tried your suggestion but the optical mouse is not recognised in the PS/2 port on reboot. On further reboot, with the optical mouse again connected to the USB port, I find that the PS/2 uninstall has not been achieved. Incidentally, in device manager, the PS/2 connection is viewed as a hidden file. Is this relevant? Thanks for your help.

I wish to run a wired optical mouse via a USB to PS2 adapter because I am short of available USB ports. Also, it seems to me that there is a PS/2 problem that should be fixed, rather than avoided. I realise that the articles refers to operating systems other than XP, but thought I would try the solutions mentioned, as I had run out of other options (before asking you for help) In response to beeceebee: Yes, I have tried your suggestion but the optical mouse is not recognised in the PS/2 port on reboot. On further reboot, with the optical mouse again connected to the USB port, I find that the PS/2 uninstall has not been achieved. Incidentally, in device manager, the PS/2 connection is viewed as a hidden file. Is this relevant? Thanks for your help.

Yes, I am short of USB ports. I could do as you suggest, and buy a hub, but itn't there is a PS2 problem to be fixed?

Yes, I am short of USB ports. I could do as you suggest, and buy a hub, but itn't there is a PS2 problem to be fixed?

I am using Windows XP Professional, Version 2002, Service Pack 3. Until recently I was using an MS IntelliMouse Pro, PS/2 compatible mouse. Then I purchased an MS Comfort Optical Mouse 1000 with a USB connection. The latter operates correctly at the USB port but I now wish to connect this mouse to the PS/2 port using an MS USB-PS/2 adaptor. However, the optical mouse does not operate at the PS/2 port. The device manager indicates that a HID-compliant mouse AND a PS/2 compatible mouse are connected, but the latter has an exclamation point in a yellow circle, and the mouse properties indicate that ‘This device is either not present, not working properly, or does not have all the drivers installed (Code 24)’ I have read Microsoft support article ID 188572 but have not been able to ‘remove’ the PS/2 mouse by the methods given and the article does not apply to Windows XP. Can you help please? Thanks

I am using Windows XP Professional, Version 2002, Service Pack 3. Until recently I was using an MS IntelliMouse Pro, PS/2 compatible mouse. Then I purchased an MS Comfort Optical Mouse 1000 with a USB connection. The latter operates correctly at the USB port but I now wish to connect this mouse to the PS/2 port using an MS USB-PS/2 adaptor. However, the optical mouse does not operate at the PS/2 port. The device manager indicates that a HID-compliant mouse AND a PS/2 compatible mouse are connected, but the latter has an exclamation point in a yellow circle, and the mouse properties indicate that ‘This device is either not present, not working properly, or does not have all the drivers installed (Code 24)’ I have read Microsoft support article ID 188572 but have not been able to ‘remove’ the PS/2 mouse by the methods given and the article does not apply to Windows XP. Can you help please? Thanks