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New Build Post issue

duskwinter1
Level 7
Hello everyone!

I just started putting together my new machine, and every was looking fine. I plugged everything up, turned it on and it posted! Awesome. The BIOS pop up for about 3 seconds, then the computer shuts off. Weird, but it turns back on. However, nothing is showing up and the Q-CODE LED is flashing a bunch of things while my CPU LED and DRAM LED blink back and forth. Look in the book and it seems like something to google. Here are some things I have already tried in my search;

Remove CMOS battery for 5 minutes.
Press CLR CMOS button.
Check for bent CPU pins.
Put one RAM in furthest slot from CPU
Put one RAM in 3rd slot.
Only connect the essentials to the motherboard and power on.
Unplug for three hours and come back.
Try new RAM.

I was able to get the computer to Post only two more times, but same thing. Displays BIOS then shuts off after a bit. Please, someone have any ideas?

Build:
Asus Maximus VIII Hero
Cosair 1000w power supply
I7 6700k CPU
G skill 2333 mhz DDR4
Thermaltake NiC C5 CPU cooler
Thor V2 case
250 GB SSD

Please help.
5,845 Views
14 REPLIES 14

Nate152
Moderator
Hello duskwinter1

Welcome to the ROG forum.

It could be the cpu overheating, check the cpu temp in the bios on the monitoring tab and let us know what it's showing.

Also what code is the LED readout stopping on?

I can't get into the BIOS cause the computer won't post.
The USB ports also do not work.

When the CPU LED is on the QCODE flashes 19 then stops on 14.

When the DRAM LED is on the QCODEQ flashes 32, 31, 2A, 21, 34, and some others that change too quickly.

duskwinter1 wrote:
I can't get into the BIOS cause the computer won't post.
The USB ports also do not work.

When the CPU LED is on the QCODE flashes 19 then stops on 14.

When the DRAM LED is on the QCODEQ flashes 32, 31, 2A, 21, 34, and some others that change too quickly.


Have you connected the 8 pin power cable to your motherboard? Also try loosening the screws for your heatsink a little.

My heatsink is barely finger tight.

Nate152
Moderator
All right thank you

I'm wondering if a bios update might fix you.

Follow this guide using the bios flashback procedure, format a usb stick to FAT32 and rename the bios file to M8H.CAP

https://rog.asus.com/forum/showthread.php?1142-How-to-use-ASUS-ROG-USB-BIOS-Flashback&p=65316

Let us know if this gets you going.

I upgraded the BIOS to 1402 using the flashback, and the screen came on that the BIOS was updating. Once the computer restarted on its own, same issue.

CPU LED with 19 then holding on 14
DRAM LED with 21 4C 31 3E 4A then holding on 32

brkkab123
Level 7
You're putting the ram in the wrong slot for starters. If you're only gonna use 2 sticks, put one in ram slot 2 from cpu and the other in ram slot 4 (according to manual 2A & 2B).
That's probably why you're not getting anything. Either that or you're ram could also be defective.

brkkab123
Level 7
Also, some of the cpu heatsinks are too heavy for Intel's Skylake cpu's. Skylake's are apparently thinner, than previous Intel cpu's.

Nate152
Moderator
Hi brkkab123

His pc should post with a stick of ram in any slot, there is no wrong slot for his pc to post. I see you have G.Skill DDR4 listed duskwinter1 what model and how many GB, I'll take it it's 2133MHz.