Hi Oli4,
I have the same problems. Aspire 5670, for 1½ year.
Crash, keyboard blocked, slow, etc...
Now he works just using the AC adapter. Look what i found in the internet
http://answers.yahoo.com/question/in...8115307AAi6byG,
I think that is the battery. The acer has a recall-program cause some lithium-ion batteries can overheat, posing a fire hazard to consumers.
Look at this
http://www.cpsc.gov/cpscpub/prerel/prhtml07/07167.html
if your battery is one of this (the mine is).
Send news please.
I m lost!