Computer noob needs help

[zat]

Hey guys,
First of all thanks in advance for reeding this and spending your time to solve a problem for me.

I (I have a mac) got a weird problem which i will try to explain (with my bad english and on my phone...):
Like a week ago, I started to have problems with tron. Always when I opend tron, my whole screen was frozen after some seconds, and there were some weird red lines on my tron screen. Crusor was still working but i couldn't click on anything. Also the music didn't stop playing. I had always to restart my computer and everything except for tron worked perfectly well.

Yesterday those strange red and blue lines appeard the first time on my screen, while i didn't open tron, and my screen was frozen. So i had to restart and everything worked (tron not...) till today.

Today my screen froze again (all over the screen those strange small lines orderd to squares) and i tryed to restart it. While restarting it, i already saw those lines again, and my homescreen looks like this. Does anyone have an idea what it could be? I made a virustest some hours before it totallly crashed and found nothing... Thanks for your help!

[Kinda Slow]

What kind of Mac? Is it a laptop?

I'm just guessing with what little info you have given, but I would suspect a hardware problem. If it's a laptop, you might try using an external monitor to see if the problem persists.

[Hoax]

I'd guess that your graphics card is at fault here

[Jonathan]

It could well be the GPU; those things don't ever seem to last. When they go out, their behavior can become very temperature-dependent. They may fail when they become hot or cold or during certain temperature changes. Your desktop isn't too hard on it, consistently keeping it at a moderate temperature. Games heat it up when you start them, cool it down when you stop, and in between it can vary between different levels of hot. So that tends to induce failure.

[zat]

Thanks guys!
Yeh I think it must be something with the gpu...I' ll have to repair it, it seems to be a bigger problem then i first thought it was

[/dev/null]

that looks like fire (namely, your gpu is overheating most likely) try blowing out your computer with canned air or an air compressor, if you dont feel comfortable opening it, just shoot it in through the vents. If after doing that its still bad news, then your gpu is probably damaged and youll need to either to replace the gpu, or if its a laptop, the entire machine.

[Z-Man]

just shoot it in through the vents.

Only in short bursts, though. Continuous hard venting can cause the fans to turn too fast and get damaged.

[/dev/null]

^truth, I usually stop them from spinning at all with either my finger or a toothpick or paper clip while im blowing out fans.