Motherboard won't display.

Sorry to bump this...

Can you list your specs? Is the CPU power cable connected?

CPU: 3570k
CPU Fan: Cooler Master Hyper 212 Evo
Motherboard: Asus P8Z77-V
RAM: G.SKILL F3-12800CL9D-8GBRL
HDD: Western Digital Black 1TB
PSU: Corsair HX750
Optical Drive: Asus 24x
Case: Corsair 500r

Sorry to be like this, but I really need help.

Thanks
Is the CPU power cable connected? Are fans running and can you hear the HD spinning?

Power cable is connected.
Yes, I hear the case fans and also the hard drive.

Don't suppose you have an extra PCI-E graphics card handy to try? Have you connected monitor to VGA and DVI ports to see if either work? Have you tried reseating the CPU?

I've tried the VGA and DVI ports (testing two of each). I'm not too sure what you mean by reseating the CPU.

Also try with one stick of RAM and alternate them.

Done that. Every time through each test is that I get a red LED.

"I'm not too sure what you mean by reseating the CPU. "

Just means reinstalling. If I'm not mistaken, you can flash the BIOS via USB with a thumb drive, without having to access the BIOS on screen. Do you have your ASUS manual for instructions?

Is it always the CPU LED?

Yes. I was on it for about 5 hours yesterday.

Does the CPU fan spin when powering up? Did the system work before?

Yes.

Check if the CPU fan does spin

It is spinning

Then, if the CPU led still red, it's either a motherboard or a CPU issue. I suggest having them tested at a local shop or RMA-ing them both. How did this happen? Have you overclocked? Did you try clearing the CMOS?

I took the motherboard out to install the Wifi card... but I saw some sparks when I accidently almost installed the card backwards. I wasn't too sure if I should have the Wifi card on the motherboard and left it out. When I come to boot up my system again, I get a red LED for the CPU.

Haven't tried overclocking yet and I cleared the CMOS with the jumpers.

Then RMA the board. I would RMA the CPU too.

I got them both at Microcenter.

Next time, when you install a component, make sure that the power supply and all LEDs are off. Or better, unplug the power cord.

I will always keep that in mind. Thank you for the help.

Don't...

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