1.8 Grey Flickering. Play Screen/HUD/Item Interface/Esc Interface

Put the summary of the bug you're having here

What I expected to happen was...:
Minecraft would play bug free on my new laptop.

What actually happened was...:
There were dark grey flickers and lines. On my screen. Typically followed
by movement.
Parts of items held would vanish and reappear within a second.

Steps to Reproduce:
1. Open, Launch, and Start Minecraft.
2. Join Multiplayer Server
3. Play Minecraft as normal. The bug occurs indefinitely.