what to look for when upgrading your power supply

Hey there! After having a power supply failure, and then a new power supply installed, none of my USB 3.0 ports are working; however, all of my USB 2.0 ports still do work. I've installed the latest drivers for the USB ports from my mobo manufacturer's website, but that didn't seem to help. I'd...

I have a Corsair CX430M PSU with 4 slots to connect in the back. CORSAIR CX series CX430 430W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply - Newegg.com & bought a new Antec BP550 Plus PSU, which has 5 slots to connect to. Antec BP550 Plus ATX12V V2.2 80 PLUS Certified Modular...

Ok, so it's time again for me to pick a new power supply, however, I'm in need of some help determining the appropriate wattage for my hardware setup. AMD Phenom II X4 955 45nm AM3 GSkill Ripjaw X 16.0 GB Dual-Channel DDR3 @ 668MHz (9-9-9-24) Corsair TX750w (I dont think its the V2) ASUS...

My brother needs a video card but me being the smart one here, he needs my help. I got his info from dxdiag and I need a recommendation for two things , a video card and power supply. His current power supply runs at a max of 250w and it seems low, mine being 500w so its the right thing to upgrade...

I'm upgrading from a 300-350Watt (i forgot) with geforce 8600gt to a 450Watt power supply and a geforce 9800gt. I would like to know what kinds of benefits I will be receiving from doing so if any. Obviously I know about the graphics but I want to know more about the PSU. Thanks. If you are...