If I want to upgrade, how much memory does my computer support?

How long is the warranty on my accessory purchased from the online store?

My computer did not come with recovery disks. How do I proceed with the system recovery?

I am unable to log on to the internet wirelessly, even though I could yesterday.

I want to disable the touchpad, how do I perform this?

How long is my warranty on my recently purchased refurbished or open-box computer?

How do I mute the speakers on my computer?

My computer turns on, but only has a 20 minute battery life

My screen is on but it is really faint.

I am missing a driver. Where can I find it?