I am having problems with my microsoft wireless 1000 keyboard-whenever i press the shift button, it pastes text from a previous copy paste function, instead of what it should be doing. i have reset the defalt settings,hit the reset button, turned it off, taken batteries out. i'm stumped and need help.

SOURCE: set up of a Microsoft wireless keyboard & mouse

The devices probably came with a USB cable and a receiver, or just a USB equiped receiver, that you need to plug into your computer. Go ahead and plug the cable and receiver into the computer so that your wireless mouse and keyboard has a means to communicate with the computer. Next, Here is a website address where you can download drivers for your mouse and keyboard. You must first choose either mouse or keyboard, then the exact product and model, then the operating system, and finally the language. repeat the process for the other device (mouse or keyboard, whichever you did not choose first). Good Luck! And let me know if there are any further problems.

http://www.microsoft.com/hardware/mouseandkeyboard/Download.mspx

SOURCE: Keyboard Reset?

try To download the latest drivers for the keyboard that you are using, visit the following Microsoft hardware Web site: 
http://www.microsoft.com/hardware/download/download.aspx?category=MK



If the issue occurs again, connect the keyboard to a different computer. If the keyboard functions correctly on a different computer, the port to which the keyboard was connected on the original computer may be damaged. If this is the case, contact your computer manufacturer to inquire about how to repair or replace the damaged port.
If the keyboard does not function correctly on another computer, the keyboard may be defective. If this is the case, and the warranty on the keyboard is still valid, you can exchange the defective keyboard for a new keyboard.


good luck :)

SOURCE: Microsoft Wireless Keyboard Slow and Intermittent

It can be a couple of things. 1. Try replacing the keyboard & mouse's batteries with fresh batteries. 2. Try moving the wireless receiver closer to the keyboard. 3. Make sure the receiver is not located too close to other electronics like a tv or dvd player. Hope this helps & please remember to rate my answer.

SOURCE: Microsoft wireless keyboard stopped working (mouse still works)

don let the mouse too far from the wireless unit..it was my problem ..and i found out that the k.board and the mouse were moved too far from the unit...so sad u can't get too far from it..just one metre !

SOURCE: Microsoft Comfort Curve Keyboard 2000 'K' Key doesn't work

I had The Same Problem !!!!
Even worse !!!

At first "B" and "A" Were not working And suddenly it worked !!
after that "R" and "M" Stopped working !! and again it worked !!!
and evrey time the same story happen again until I gave The keyboard a Good hit

only then it started to work !!!!