I've got an 8500, which is basically the same, and I just finished tearing it down to clean out all the lint/dust and crap it had accumulkated in 4 years. I imagine, this is an older laptop and the warranty is out, so go for it. It isn't hard....
To get the keyboard off, look to the left side at the top corner, where the blue stripe runs around the keyboard. You'll see a small inlet that you can get a small screwdriver into and gently pry up. This will remove the whole piece of trim that contains the power button, volume, lights and stuff. It can be tough to get off, fold your screen all the way open to facilitate this. Once loose, there is a small plug on the right end that connects this panel to the MB, unplug it.
Now you should see two small screws through two black/silver tabs at the top of the keyboard. Use a #0 or #1 phillips screwdriver to loosen them. after they're out (but before you loose them) lift the keyboard out by raising the top side first, there's a couple small tabs on the sides that will pop out and then slide up to release the tabs that hold the bottom down. when you get it free, there will be another ribbon cable to unplug from the MB.
How you clean it from ther is up to you. Replacements on ebay for $8-$20.
Ebay
Hope that helps.
To get the keyboard off, look to the left side at the top corner, where the blue stripe runs around the keyboard. You'll see a small inlet that you can get a small screwdriver into and gently pry up. This will remove the whole piece of trim that contains the power button, volume, lights and stuff. It can be tough to get off, fold your screen all the way open to facilitate this. Once loose, there is a small plug on the right end that connects this panel to the MB, unplug it.
Now you should see two small screws through two black/silver tabs at the top of the keyboard. Use a #0 or #1 phillips screwdriver to loosen them. after they're out (but before you loose them) lift the keyboard out by raising the top side first, there's a couple small tabs on the sides that will pop out and then slide up to release the tabs that hold the bottom down. when you get it free, there will be another ribbon cable to unplug from the MB.
How you clean it from ther is up to you. Replacements on ebay for $8-$20.
Ebay
Hope that helps.