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Ok so I have just installed a Asus Maximus VIII Extreme Assembly motherboard in my system and i can't get it to post at all. When the power button is pushed it powers for a few seconds the fans spin, the H100i CPU cooler lights up then it all switches off and then a few seconds later it comes on again and just keeps repeating this. It continues this cycle unless I push and hold the power button or switch off the power switch on the PSU.
I have tried everything I can think off but so far no luck. I have unplugged all devices accept one stick of RAM the CPU and PSU. I have checked all power connections. I flashed the BIOS to the latest version from the Asus website. I tried resetting the CMOS. I took out the battery to reset it. I changed the battery for a new one. I made sure no wiring is touching the board anywhere at the back. I checked the CPU socket for bent pins but there are none. I have re-seated the CPU several times. I changed all the risers and screws and checked there was nothing under the board causing a short. I bread-boarded the motherboard on a non conductive surface. None of it has worked.
To make sure I didn't have any component failures I put my old Gigabyte Z170 G1 Gaming board in. It posted immediately and I checked the RAM which was working and the CPU was running normally. The PSU had no problems running that Gigabyte motherboard. So I think its fair to say the CPU PSU and RAM are all working properly. That just leaves the motherboard. This is actually my second board as the first one I received last week had problems and I had to RMA it. The board I have now is a brand new replacement. It seems to me to be very unlikely that I got 2 faulty boards in a row so i think the board is probably not faulty but it is some other issue instead.
I am at a loss to fix this. I am wondering if the RAM is having compatibility issues (although its on the Asus approved list). I wonder if its worth buying a couple of sticks to try instead. The other thought is that my PSU (Antec 1300 HCP) is for some reason not compatible. Its not listed on the approved devices list for this motherboard but it seems strange to me that it will power the Gigabyte board no problem but the Asus board won't post at all. Still I am wondering if buying a new power supply would be worth trying but its a lot of money to spend.
Anyway if somebody out there has any ideas I would appreciate them.
I have tried everything I can think off but so far no luck. I have unplugged all devices accept one stick of RAM the CPU and PSU. I have checked all power connections. I flashed the BIOS to the latest version from the Asus website. I tried resetting the CMOS. I took out the battery to reset it. I changed the battery for a new one. I made sure no wiring is touching the board anywhere at the back. I checked the CPU socket for bent pins but there are none. I have re-seated the CPU several times. I changed all the risers and screws and checked there was nothing under the board causing a short. I bread-boarded the motherboard on a non conductive surface. None of it has worked.
To make sure I didn't have any component failures I put my old Gigabyte Z170 G1 Gaming board in. It posted immediately and I checked the RAM which was working and the CPU was running normally. The PSU had no problems running that Gigabyte motherboard. So I think its fair to say the CPU PSU and RAM are all working properly. That just leaves the motherboard. This is actually my second board as the first one I received last week had problems and I had to RMA it. The board I have now is a brand new replacement. It seems to me to be very unlikely that I got 2 faulty boards in a row so i think the board is probably not faulty but it is some other issue instead.
I am at a loss to fix this. I am wondering if the RAM is having compatibility issues (although its on the Asus approved list). I wonder if its worth buying a couple of sticks to try instead. The other thought is that my PSU (Antec 1300 HCP) is for some reason not compatible. Its not listed on the approved devices list for this motherboard but it seems strange to me that it will power the Gigabyte board no problem but the Asus board won't post at all. Still I am wondering if buying a new power supply would be worth trying but its a lot of money to spend.
Anyway if somebody out there has any ideas I would appreciate them.
