Asus p8z77-v lx, not posting to monitor. DRAM LED light flashing red

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Do you mean the last time that it compeletely failed to start? If so, the answer is no. Nothing happened. Fans didn't start to work, and i didn't hear any sound from the case. Only thing that showed me there is indeed electricity, was the mobo's LED Light.

If you mean my first problem. It was the opposite. Everything worked as expected, no weird noises etc. But monitor didn't display anything.

I know i'm keeping you busy. Sorry for that. And thanks a lot.
 
No problem.
Shut down the system, unplug from the motherboard the two wires corresponding to the case power switch and start the board by shortly touching with a screwdriver the 2 pins where the wires were connected (it's what the power switch does).
If still the no go, reconnect the wires and insert the card in the second slot. See if still the same.
It might be a power supply issue. Can you borrow one for testing?
 
Hi,

Sorry for late response. These two problems have disappeared now. It's fine. I didn't make any change, except controlling the connectors on mobo. If it will happen again, i will surely follow your advices.

Thanks!