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i assumed that you use device PS2 (Mouse & Keyboard), this rarely situation, but you haved installed and not more better, because the problem not with your system, but with your hardware, maybe you can change with USB Mouse Device and for Keyboard PS2 is better than USB Keyboard.
To try to resolve the issue: 1.) Will a different keyboard and mouse work (PS2 is the name of these connections) If they will, damage to the keyboard and mouse is likely) 2.) Will a usb mouse and keyboard work? If they do, then the problem is with the controller on the mobo, unlikley but MAY have been casued by static.
If the USB keyboard and mouse do not work, you have some problems with the motherboard
Try switching off and unplugging the computer, remove the coin shaped BIOS battery and plug in the keyboard and mouse, wait 2 minutes or so and put the battery back, replug in and power on, see if the bios detects the keyboard and mouse (you will see the bios screen flash up a message). If the computer does nOT detect the keyboard and mouse it will (or should) flash a message on the screen saying "no PS2 keyboard or mouse detected".
If this fails to detect the mouse and keyboard and you get no message or beeps, then there may be damage to the connector ports.
If you can get a USB keyboard and mouse to work, use them, Effecting a repair to the motherboard will not be a viable option
Check your keyboard is working or not by accessing your BIOS by pressing del or Esc or F12 (usually) or whatever your boot up screen says. If your keyboard works there then the problem lies in the operating system.If still your keyboard doesn't respond then replace the keyboard.
only if keyboard work, you can fix mouse opearting system problems.
For windows Vista & 7, expand "Mice & other point devices".right click on Microsoft Ps/2 mouse" select uninstall and restart the system.If your mouse is still working the system will automatically installed the mouse driver.And your mouse will work again.
Otherwise get a new mouse.
Note: Check you have wrongly insert the mouse 7 keyboard port at the back too.
Remember : Green for Mouse Purple blue for keyboard
Try updating the device drivers for you bluetooth mouse and keyboard. I dont know what SP2 changed by way of bluetooth or input devices but, I do know it had a number of security updates. If you want to give it another try...maybe a resync of your bluetooth may help as well.
If you have both sets of keyboard and mouse plugged in, turn off the computer and remove the old mouse and plug in the new mouse. Reboot and if necessary use the keyboard to login. Once windows is loaded let it detect the new mouse and then shut down again. Take out the old keyboard and reboot. You should now be able to use both new pieces without problems.
If that case is the problem then try and use a USB (Universal Serial Bus ) mouse and keyboard if it work then try your mouse and keyboard you formally use on another system if it work then there is a problem with your mouse and keyboard Port.ok
rate this solution
there are indicators to see wether that keyboard are working, check the tree LED rigthht side upper of your keyboard, this indicators should ligth evrytime you log on, if not, use the warranty to change a working one.
I've used the 62150 black combo (not 62150N Deluxe silver) on XP Pro for years with no problem. Manual said to sync, press ID button on receiver and LED will blink fast, then slower. While blinking, press ID button on keyboard and mouse (need pen or something to press mouse button). If receiver LED blinks whenever you move mouse or hit keyboard, it is receiving. If OS doesn't recognize, may be connectors. I had 2 separate PS2 ports and had to use an USB adapter for the keyboard cable.
There might be a problem with the keyboards PS2 port. You can bypass the PS2 port all together by buying a PS2 Y-adapter to usb port. This Y adapter will allow you to plug your PS2 mouse & keyboard into it and than you plug the other end into a free usb port. You do not have to plug the PS2 mouse in if you do not want to. Just plug in the keyboard. If your keyboard functions than there is a prolem with the keyboard's PS2 port. The PS2 Y-adapter to USB runs about $12.00 to $15.00. You can find one at Wallmart.