FROM START MENU
CLICK DEVICES AND PRINTERS
RIGHT CLICK ON YOUR COMPUTER and select "KEYBOARD SETTINGS"
CLICK HARDWARE TAB
SELECT Microsoft eHome MCIR 109 Keyboard or similar and hit "properties"
HIT "CHANGE SETTINGS"
SELECT DRIVER TAB
HIT "update driver"
3. Choose "Browse my computer for software"
, then when it asks you where you would like it to search for drivers choose the option to choose from a list) then "Let me pick from a list of device drivers on my computer".
4. Make sure "show compatible hardware" is checked, then select "HID-compliant device" and click next. Click any remaining "OK" or "Finish" buttons after Windows has installed the driver.
NOTE: I'm just passing this fix on. It worked for me, and it appears to be a permanent fix.
Sager 5793, Dual core T9300 (2.5gHz), Win7-64bit, 4gb, Nvidia 8800GTX,