I need some MAJOR help with repairing my computer
I just bought this custom computer that has an IP35 Pro motherboard, intel quad-core processor, and a evga geforce 9800gtx. I booted it a couple of times before I tried to put a OS on it and when I got the OS to get it up and running the computer won't turn on. For any of those familier with this motherboard it has the red light on and the little green digits say C.C.. I really need to get this computer up and running soon so any help would be great. P.S. I've already tried a diffrent power switch from my other computer.
Full system specs - including PSU?
You have worked through our standard checklist and troubleshooting thread:
yes? I mean work through, not just read over it.
Breadboard - that will isolate any kind of case problem.
The breadboarding thread has a paragraph about how to build and test a PC in stages.
Breadboard with just motherboard, CPU & HSF, case speaker, and PSU. You do have a case speaker installed, right? If not, you really, really need one. If your case or motherboard didn't come with a system speaker, you can buy one here:
You can turn on the PC by momentarily shorting the two pins that the case power switch goes to.
You should hear a series of long, single beeps indicating memory problems.
Silence indicates a problem with (in most likely order) the PSU, motherboard, or CPU.
At this point, you can sort of check the PSU. Try to borrow a known good PSU. If you cannot do that, use a DMM to measure the voltages. Measure between the colored wires and either chassis ground or the black wires. Yellow wires should be 12 volts. Red wires: +5 volts, orange wires: +3.3 volts, blue wire : -12 volts, violet wire: 5 volts always on. Tolerances are +/- 5% except for the -12 volts which is +/- 10%.
The gray wire is really important. It should go from 0 to +5 volts when you turn the PSU on with the case switch. CPU needs this signal to boot.
You can turn on the PSU by completely disconnecting the PSU and using a paperclip or jumper wire to short the green wire to one of the neighboring black wires.
This checks the PSU under no load conditions, so it is not completely reliable. But if
it can not pass this, it is dead. Then repeat the checks with the PSU plugged into the computer to put a load on the PSU.
Install a memory stick. Boot. Beep pattern should change to one long and several short beeps indicating a missing graphics card. Silence or long single beeps indicate a problem with the memory.
Insert the video card and connect any necessary PCIe power connectors. Boot. At this point, the system should POST successfully (a single short beep). Notice that you do not need keyboard, mouse, monitor, or drives to successfully POST.
Now start connecting the rest of the devices starting with the monitor, then keyboard and mouse, then the rest of the devices, testing after each step.
Edit: make sure you turn off the computer between all of these steps.