hi
You could try press the F11 key which is normally the number lock key top left hand side of the keyboard
or if that dont work try the Fn blue key bottom left of keyboard at same time as the F11 key
so either F11
or
Fn+F11
i hope this works for you
do you have a manual for your laptop because hopefully that will explain things about your laptop
if not you could download one from the laptop manufacturer and you will need to save the manual to your desktop and install adobe reader to be able to read it Free Download
type into your search the name of your laptop plus manual or support
if your laptop was a acer
www.acer.com if a hp
www.hp.com if a compaq
www.compaq.com etc etc then go to support/downloads type in your make model and operating system and look for the manual
good luck
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