Hi so my computer decided to die suddenly. We narrowed down the fault to what we thought was the motherboard GA-B75M-D3H so i ordered a new one from China. Three months later i installed it reconnecting all the leads etc only to find the computer is still dead. I've checked the PSU by connecting the green and black terminals together and the fan turns on but when its connected to the motherboard no fans working. Ive changed the cmos battery also just in case. Any ideas? I noticed that the paste between the cpu and the CPU fan is eroded but cant think that would cause the CPU to burn out (socket lGA 1155) and even if it is wouldnt the psu fan turn on? Any thoughts on this? Also posted this in Motherboards forum as i wasn't sure which one applies