cancel
Showing results for 
Search instead for 
Did you mean: 

Maximus V Extreme not booting [Q-Code 20][D-RAM LED]

OB61887
Level 7
Hello all,

First time on the forums so if I miss something please let me know. I looked around and found similar issues but the fixes in the threads did not resolve this for me.

Hardware:
Mobo: Maximus V Extreme
CPU: Intel Core i7-3770K Quad-Core Processor 3.5 GHz 8 MB Cache LGA 1155 - BX80637I73770K
GPU: 2 SLI - PNY GTX 770 XLR8 Enthusiast Edition 4GB GDDR5 OC Graphics Card - VCGGTX7704XPB-OC
RAM: Tried both
2x Corsair Vengeance 8GB (1x8GB) DDR3 1600 MHz - CMZ8GX3M1A1600C10
and
1x Corsair Vengeance 16GB (4x4GB) DDR3 1600 MHz - CML16GX3M4X1600C8
I also have a sound card and video input card if those are significant.

Issue:
My computer flashes power then tries to boot. It gets stuck at Q-code 20 with the CPU LED light solid red and the mobo speaker emitting a long and 2 shorts. The BIOS never loads and no image ever shows on the monitor.

Attempted:
Changing the memory: same issue (I tried all combinations of memory sticks and memory slots).
Removing everything but CPU/RAM/Case wires: same issue.
Flashing BIOS: same issue (I flashed to the most recent BIOS. Let me know if the BIOS version is needed).

Initially I was under the impression it was a memory issue because of the Q-Code 20 and because BX80637I73770K is not listed as supported memory but the replacement memory CML16GX3M4X1600C8 is. I am hoping it is not bent CPU pins since I've already taken apart the setup so many times troubleshooting, but right now that is my next step.

Will be contacting support tomorrow once they open but figured I would give this a try. Thanks for any help.
60,341 Views
26 REPLIES 26

Chino
Level 15
Can you try using the stock heatsink meanwhile? And insert your stick of RAM into the DIMM_A2 slot just for testing.

OB61887
Level 7
I tried DIMM_A2 only with stock heatsink and got the same results.

OB61887
Level 7
Just put a rush order in for G.Skill Trident X 2400 with overnight so hopefully I can give a good update tomorrow.

You should be good to go now. I got the 2800 mhz. G.Skill Trident X but maxes out at 2732 mhz. with 1T timing. It is luck of the draw with the 3770k cpu to get 2800 mhz. speed. You should be able to overclock your RAM to 2500 mhz. with ease. Also, with memtweakit you can set tRRDR,tRRDD,tWWDR,tWWDD in the Tertiary timings to 1 for a nice performance boost. The Trident X series is the best RAM on the market. My Trident X RAM kit came with the fan but I cannot use it as my GTX 680's have the back plates on them and sits right up against the RAM clips and I cannot mount it on. Kind of a bummer but no big deal. Yes please post back and let us know how your new RAM works. Oh yeah, one more thing, this is extreme high performance RAM and looks sweet in the maximus v extreme. I think you will agree.

Kronvict
Level 9
Make sure the ram is pushed all the way down and fitted on the non tab side. These new ROG boards can be tricky in that area. You should hear a soft click. I had the same problem before.

Kronvict wrote:
Make sure the ram is pushed all the way down and fitted on the non tab side. These new ROG boards can be tricky in that area. You should hear a soft click. I had the same problem before.


Double click. I often get this single click and no ram picked up, so make sure you hear the double click.
To help us help you - please provide as much information about your system and the problem as possible.

OB61887
Level 7
Thanks for the advice Kronvict. I saw that in another form and confirmed I got a soft click on the bottom half and pushed the top until the clip snapped into place.

OB61887
Level 7
I got the bottom click. I never got the same click on the top, but I pushed the RAM in until the clip snapped into place.

Raja
Level 13
I usually see-saw the modules into place. You will know when both sides are in - whether you hear an audible click or not, (sometimes the latches don't physically make much sound). A bit like women if you know what I mean.

I was going to say if the module does not come out of the slot when you pull it gently, that you'll know it's home. However, being well caffeinated this morning, my imagination painted this hypothetical scenario:

"just pull on the modules gently and if they don't lift out, you'll know they're properly home".

Customer "i did what you said, here's the result" (attaches pictures of memory slots ripped off board with modules). "how do you like those apples?"


me: "those are not apples mate."

Raja@ASUS wrote:
I usually see-saw the modules into place. You will know when both sides are in - whether you hear an audible click or not, (sometimes the latches don't physically make much sound). A bit like women if you know what I mean.

I was going to say if the module does not come out of the slot when you pull it gently, that you'll know it's home. However, being well caffeinated this morning, my imagination painted this hypothetical scenario:

"just pull on the modules gently and if they don't lift out, you'll know they're properly home".

Customer "i did what you said, here's the result" (attaches pictures of memory slots ripped off board with modules). "how do you like those apples?"


me: "those are not apples mate."


Oh, please post that picture!!!
ASUS Rampage V Extreme BIOS 4101 | i7-6950X | Thermaltake Core X9 | G.Skill F4-2800C16Q-32GRK | Cooler Master Nepton 280L | Dual Samsung 850EVO 500GB SSD | PSU: DARK POWER PRO 11 1000W | 3TB & 4TB HDD | NVIDIA GTX Titan X | ASUS 24x DVD±RW Drive | Win10 Pro