I have no sound coming out of either the speakers of the headphone jack. The volume option is not even available in the...

The computer is running very slow. Also for some reason when I go into the task manager the amount of RAM that is...

In some cases an issue with the battery length may signify that the battery is either worn or even damaged. If changing the setting does not resolve the battery life issue. I recommend replacing the battery with a new one.

There are several reasons why a laptop may randomly shut off during use. One of the most common is the computer is overweighting. I suggest reviewing the trouble shooting guide under computer is over heating for suggestions on how to resolve this issue.