How can i troubleshoot a motherboard?

[Dude]

Hey AOD, ive searched around google and couldnt really find ways to test if your motherboard is fried or not. So was wondering if any of you now of some ways to test it. thanks! Dude.

[Master Butters]

Well, let's start with the obvious:

Can you turn the computer on? Does it load the BIOS and then Windows or whatever OS you have?

If you can turn the computer on and load into your OS, then you should be OK.

[Dude]

The problem im having is i have no power to my mouse or keyboard and nothing will show up on the monitor. Ive tried removing my RAM and CMOS battery for awhile and reseating them but it is still giving me problems. All the fans are working on the cpu and psu so i dont think its a power issue. Not sure what else to try tho. Thanks for the help rainbow

[Dude]

also tried plugging my video into my integrated video card on my Motherboard and still no display or power to mouse/keyboard

[wrath2121]

Ok... Limited info to go on, but I'll take a stab. PSU supplies multiple voltages to the motherboard and if all of them aren't correct it can cause odd ball symptoms like the ones you describe. It can also cause the appearance of a blown motherboard when the board is simply not receiving the power it needs to run properly. Fans turning on the PSU is a good sign, but not a guarantee that all voltages are correct. To properly test a PSU you need a multimeter or a PSU tester. Fact of the matter is the motherboard is one of the sturdiest electronics in your system and PSU is one the weakest. There are contributing factors that may change this in certain situations, like overclocking or tweeking the system, but none of those were mentioned here so I can't say positively one way or another what item on your system is effected.

[Dude]

Yeah i didnt overclock or tweek anything at all. Ive had to replace my power supply at the end of this past summer but thats the only thing ive had to replace since i bought this in 09. Ill get a multimeter/psu tester and chest out if the motherboard is getting proper voltages. Thanks wrath. Anything else i could maybe check for in the mean time?

my comps specs are
AMD Athlon(tm) 7850 Dual-Core Processor 2.8GHz
NVIDIA GeForce 9600 GT
8 gb RAM
and my PSU HP585DB 585W ATX12V
thanks for the help guys

[wrath2121]

Connections, connections and then check them again. Especially pay attention to the 24 pin PSU to motherboard cable and making sure that all pins are making a solid contact. You might try disconnecting and reconnecting all the connectors, just to insure proper seating and sometimes doing so will clean oxidation that might have formed. Also, I'd disconnect your harddrive and DVD/disk drives and attempt booting for a bios only. You mentioned that you tried switching to your on board graphics, did you remove your other graphics card? Most modern motherboards will automatically disable on board graphics output when a card is detected on boot up.