That motherboard, processor and RAM are incompatible with each other.
How can I tell and/or fix it?
I'd say just get a DIY kit, like this one:http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.328465You'll need a graphics card, as that DIY kit doesn't have one. Get an EVGA card:http://www.newegg.com/Product/Product.aspx?Item=N82E16814130450It'll come out to about $668. If you prefer Intel or ATi instead of AMD and nVidia, I could find another kit for you.
Wow thanks. I didn't even know they had DIY kits. Also I'm not real picky about anything, really. As long as it does what I want it to do.
I updated it a little bit, found a graphics card that would perform better, most likely. The price raised about $30, though, and is almost near the $700 margin.
It's strange your current machine doesn't run TF2. My old PC had a single core Athlon 1.8GHz, and an nVidia 6150, and could run l4d which is more intensive.
My computer CAN run tf2, but it runs at like 4 fps or something ridiculous and unplayable. But I also have other games I'd like to play and this computer has about 20gb of hard drive space left, so a new computer was in order soon anyways.
P7H55-M PRO Socket 1156 H55 mATX Motherboard $104Core 2 Quad Processor Q8200 OEM $120
Alienware FTW