[Jack123]

03-rquarter-(usb-mouse-does-not-work-with-PS2)-8th May-2007

One additional error condition may be the solution – [BIOS SETUP]

Depending on age of PC – Check your BIOS Setup – PS/2 Plug & Play setting may be – DISABLED – if you originally were using a Serial Mouse or USB Mouse –

Also you may have a Power Management Setting – Set for – Power ON by USB Mouse –

Also check to see if USB Legacy Mouse Support is – Disabled

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Time Out

Maybe we are rushing the troubleshooting a bit?? We are giving solutions without any data collection on PC Motherboard Specs & Mouse Specs – We have no idea what equipment you are using – yet we are spewing out solutions?? – That may be harmful to the PS/2 Ports -

Give the – following data so we can properly – research the problem –
1. Computer – Manufacturer & Model Number – of each of your computers
2. Motherboard – Manufacturer & Model Number – of each of your computers
3. Type of PC for each – Laptop – Desktop – Tower Desktop
4. The age of each Computer
5. Give Operating System of each PC
6. Turn the Mouse over & give the Mouse Manufacturer – Model – Specs of each Mouse that you are using -

There are a number of Mouse Configurations – which may not be compatible with each of your PCs -

1. USB Mouse
2. Serial Mouse
3. PS/2 Mouse
4. BUS Mouse
5. USB / PS/2 Compatible

PS/2 ports are designed to connect the digital I/O lines of the microcontroller in the external device directly to the digital lines of the micro-controller on the motherboard. They are not designed to be hot swappable. Hot swapping PS/2 devices usually does not cause damage due to the fact that more modern micro-controllers tend to have more robust I/O lines built into them which are harder to damage; however, hot swapping can still potentially cause damage. Also we do not know how old each PC is. Shorting one pin to another on a PS/2 port can easily kill one or both micro-controllers.

And by the way – Welcome to Geeks to Go –

Jack123

Edited by Jack123, 08 May 2007 - 11:02 AM.