How to Fix Major Minecraft Chunk Errors?

I've got the Archimedes Ship Mod, TooManyItems and Forge but that's it. Ever since I got these, I started to experience MAJOR chunk errors. It's really obscurring my vision in the game and I'm desperate to find a solution.

Attached is a sample of some of my chunk errors. I don't fall through the chunks but the top layers of blocks never load in.
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Why Can't I enter full screen in Minecraft?

Every time I open up minecraft I go into the options and click full screen. But when I do, It closes and takes me back to the launcher. I do have mods but I think its my computer. BTW its not a mac. Please help!

Added (1). How do you change that? Sorry i'm a noob.

What is the biggest Minecraft mod pack ever?

I was just wondering what the largest minecraft mod pack was so i could possibly check it out, searching "biggest minecraft modpack" seems to yield no results

How to add mods to minecraft?

I've downloaded mods to my computer already but i can't figure out how to add them to minecraft. I've looked this up on google and i've tried everything it told me but it won't add the mods to my game. I have the 1.7.5 version of the game and i've only been playing minecraft for about a month so i'm fairly new to this thing. Also i don't know if this is important or not but i have an acer laptop i'm playing on.

Minecraft freezing problems

So, my minecraft has been playing up for a few days now, for instance, if i click single player i hear the normal noise but the screen where you choose what world you want to play loads about 5 minutes later, this happens with everything i click on.
I HAVE NO MODS INSTALLED.
WINDOWS 8.1
MINECRAFT 1.7.5
it normally ran at 75+fps oh and when it eventually pressed f3 my fps was 81 but it was frozen so if i held w i would move about 5 minutes later.
Please help my friend finally setup a server and i want to play with him.

Added (1). 8gb of RAM
intel core i3
64 bit operating system
x64 based processor
I have tried re downloading minecraft but i will also re download java

How to mod minecraft on windows 8?

I don't know what to do, I know pretty much nothing about minecraft on PC and Windows 8 as it is. I'm trying to download mods for it but for some reason nothing works on it, I keep watching these video's on how to do it but nothing actually works.

Not even forge will install, any help will be met with gratitude.

How to teleport on Minecraft single player?

Besides using endpearls. Those cause fall damage, so no way. I also heard of the portal gun mod but you have to download the mod, and I don't want to because the last time I tried to install a mod I installed a virus instead. So mods are out of the question.

Can anyone tell me how to teleport on minecraft single player? Or how to use ender pearls without getting hurt?