My trackpad doesn't work when keyboard is being used?

I searched around trying to find a solution for at least 2 hours yesterday, but I can't find anything.
The laptop I own is a Lenovo G50, the OS is Windows 8.1. It came with an ELAN trackpad.
I've tried just about everything I can find, disabling the trackpad delay, putting PalmTracking down to the minimum and explored around in my control panel. NOTHING has worked.
Please tell me how to fix this. It's really, really annoying.

I want to buy a gaming laptop under 700$?

I'm planning to buy a laptop.
My budget is around 700$ or
I want to play games like gta v on medium or low settings
Can i get a laptop with i5 processor and 2gb graphics
Can you suggest some

Quad-Core Laptop is painfully slow?

I bought a Lenovo Laptop that came with a quad-core AMD A6-5200 2.0GHz processor with 4GB Ram

However since I've bought it I hate using it because while it runs games ok-ish, the operating system (Win 8.1) is so slow to use- Like when clocking on Chrome it takes 30 seconds to open and load Google. I know the clock speed it quite slow but no way should a Quad-core be this slow?
I have a 4 year old dual core i3 3.3GHz Dell and that is so much faster- clicking chrome it will open and load google pretty much instantly

I know how to keep Windows clean and virus free I'm no alien (Evident from keeping a 4 year old mediocre Dell in such a fast condition) I just wonder why this laptop is so painfully slow?

Added (1). May I point out that the Dell is a Desktop and runs on AC power

Added (2). Clicking on Chrome**

Laptop curser not moving?

I have a Lenovo laptop with Windows Vista. The cursor is stuck in the middle of the screen and will not move. Please help. I tried press Ctrl alt delete to go to the control panel but the buttons won't work. The USB mouse won't work either. What do I do?