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Need help with new homebuilt computer

Last response: in Systems
December 15, 2010 4:22:53 PM

Like others on here, my computer won't boot. I've already tried the steps provided on the forum. Monitor does not show anything. This is what I have:

MSI p55-cd53 motherboard
Intel i5-760
Sapphire Ati Radeon HD 5850
Corsair XMS3 4gb 1333mhz (currently sitting in DIMM4)
Raid Max RX-730SS PSU 730W

someone please help?
thank you.

More about : homebuilt computer

December 15, 2010 4:25:47 PM

Sorry, forgot to say:
when i turn the computer on, everything is running, i heard a sound, and two of the CPU_Phase LEDs are on.
i do not think my motherboard is defective at this point, because it still seems responsive (lights are on, etc).
December 15, 2010 4:39:13 PM

update: i forgot the system speaker. after i plugged it in, and turned on my computer, i heard 3 long beeping sound. i changed the memory to another slot, and now i get 1 long, and 2 short beeps, which apparently means video errors. what should i do?
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December 16, 2010 12:26:28 PM

Make sure your power supply has two connections going to your motherboard. One is the ATX rail and the other one is 8pin/4pin connection.

Did you also make sure that the CPU fan and heatsink is installed correctly?

Then make sure the graphics card has been given two x 4pin power supply connections.

Seat your memory back in DIMM01 slot. It should work.
December 16, 2010 1:09:07 PM

As said above. Also make sure your graphics cards is FULLY seated. 1 long, 2 short is code for a display adapter problem.

But I think 3 long beeps is a keyboard/input error.

I'd double check EVERYTHING. Shouldn't take you long. Make sure everything is seated...RAM, GPU, Processor, heat sink properly installed, all power supply connectors.....
December 23, 2010 3:54:28 AM

Best answer selected by joshyua.