Asus Z68-V PRO GEN3 - no video with solid vga led

[loki23li]

Specs:
Asus Z68-V PRO GEN3
2500k
gtx 680
HX750
2x4gb gskill ddr3-1600


System has been working fine and I haven't had any recent issues. I turned the machine on and I'm not getting any video signal out of the blue. Fans are all spinning up, I have cleared the CMOS and used the jumper as well.

I wasn't making any progress so I pulled all the hardware out of the case and tried a minimal boot. The system will will post with video maybe 1 out of 10 times booting up. Otherwise I get a solid vga led and no video.

I've been digging around and haven't found a solution. Seems that some people were reporting that it was the motherboard gone bad?

Any help would be great. I don't think I'm leaving anything out while testing for a solution.

If this would be a motherboard issue, would I be better off getting a different mb (Z77) instead of the same exact board?

 

[borisvodofsky]

Specs:
Asus Z68-V PRO GEN3
2500k
gtx 680
HX750
2x4gb gskill ddr3-1600


System has been working fine and I haven't had any recent issues. I turned the machine on and I'm not getting any video signal out of the blue. Fans are all spinning up, I have cleared the CMOS and used the jumper as well.

I wasn't making any progress so I pulled all the hardware out of the case and tried a minimal boot. The system will will post with video maybe 1 out of 10 times booting up. Otherwise I get a solid vga led and no video.

I've been digging around and haven't found a solution. Seems that some people were reporting that it was the motherboard gone bad?

Any help would be great. I don't think I'm leaving anything out while testing for a solution.

If this would be a motherboard issue, would I be better off getting a different mb (Z77) instead of the same exact board?

I have the exact same motherboard. You guys are scaring me. :\

Try clear cmos, with power cable and battery removed from motherboard.

 

[loki23li]

Thanks for the suggestion, I have tried clearing without the battery and power cable, same results.

The more I play around with it the stranger it gets. It was stopping at the cpu led, a few times booting it and it was now hanging at the boot device led. Booted up and loaded windows, shut down and then it was hanging on vga again. Few more attempts and it was hanging on the boot device.

Currently posting from the machine but once I restart/shutdown it just won't boot right up again.


*Ok so after some more playing around the machine it booting fine every time? I'm lost as to what was causing the problem and if it's even fixed now.

 

[bankster55]

these VGA red led issues are hard to track

You should reseat the CPU carefully - wipe the underside of CPU with 99% isopropyl alcohol with CD lint free cloth, let dry, and keep an eye out for slightly misoriented LGA pins

Have to make sure case geometry is not keeping vidcard from going all the way down

Sometimes only one PCIe slot goes bad so try another if it happens again

You didnt mention Heatsink - some backplates short on mobo components leads (especially those 5 surface mount capacitors in a row), or folks tighten the nuts on CM 212 too much

Case mobo standoffs must be 5/16" long min - no ,250"

Keep an old vidcard around as a tester (PCIe 2.0)

Move 24 pin ATX connector around a little when running, see if it causes a prob

 

[thejunglegod]

Hmm, i have a problem with this mobo too. The front panel USB drivers all of sudden have decided to give up on me. Can't connect my phone, nothing. Re-installed drivers & everything. As a last resort tried updating the bios as well, upto no avail. One other thing that doesn't bother me as much - The Bluetooth suite does not work. I'm using Win7 -64 bit and most people on other forums are saying that it could be because of that, since many people with 64bit OS are facing similar problems.

I'm gonna format my comp once again and put in the 32bit edition but will be sacrificing on DX11 visuals. Fck this is hard.
OP, does your bluetooth suite work?

 

[Mem]

Hmm, i have a problem with this mobo too. The front panel USB drivers all of sudden have decided to give up on me. Can't connect my phone, nothing. Re-installed drivers & everything. As a last resort tried updating the bios as well, upto no avail. One other thing that doesn't bother me as much - The Bluetooth suite does not work. I'm using Win7 -64 bit and most people on other forums are saying that it could be because of that, since many people with 64bit OS are facing similar problems.

I'm gonna format my comp once again and put in the 32bit edition but will be sacrificing on DX11 visuals. Fck this is hard.
OP, does your bluetooth suite work?

No issues with my Asus V/gen 3 board which I've since last November,as to your Bluetooth issue try getting latest version from here http://www.overclock.net/t/1042186/asus-z68-series-information-thread-drivers-bioses-overclocking-reviews-updated-6-22 ,they are ones I use and work fine for my win7 x64.



loki23li does it boot fine with PCI -Express video card or onboard?...there has been a few Bios updates for this board,I'm on the latest 3402 version.

 

[loki23li]

Well I still have no idea what finally worked or not but the system has been booting normally since last night. After it getting stuck on the various led's it finally booted up and since then it has booted fine every single time. I ran a test on my ssd, ran memtest86, and stress tested the vga card....no issues coming up with anything.

The one thing that totally slipped my mind about yesterday was that we had a quick power flicker. Enough to make things like the modem and cable boxes reboot. Even though the pc is hooked up to a surge protector I'm wondering if the quick off and on could have done something funky and the boot testing that the board does just hung for some reason?

Gives me a reason to clean up all of my wiring and finally install the terminal block for all of the case fans.

Thanks again for the suggestions. I've been lurking here for years and always use the site to get hardware reviews and to see what other people are doing with their builds.


bankster55- Since I have everything out of the case I am going to reapply the paste. I usually have a spare but I just gave it to a family member as a free upgrade. Heatsink is a corsair A70 and I always make sure to have all the correct standoffs.

Mem- It was doing it with both sources. I had been on the previous bios and now updated to 3402.

 

[BonzaiDuck]

Well I still have no idea what finally worked or not but the system has been booting normally since last night. After it getting stuck on the various led's it finally booted up and since then it has booted fine every single time. I ran a test on my ssd, ran memtest86, and stress tested the vga card....no issues coming up with anything.

The one thing that totally slipped my mind about yesterday was that we had a quick power flicker. Enough to make things like the modem and cable boxes reboot. Even though the pc is hooked up to a surge protector I'm wondering if the quick off and on could have done something funky and the boot testing that the board does just hung for some reason?

Gives me a reason to clean up all of my wiring and finally install the terminal block for all of the case fans.

Thanks again for the suggestions. I've been lurking here for years and always use the site to get hardware reviews and to see what other people are doing with their builds.


bankster55- Since I have everything out of the case I am going to reapply the paste. I usually have a spare but I just gave it to a family member as a free upgrade. Heatsink is a corsair A70 and I always make sure to have all the correct standoffs.

Mem- It was doing it with both sources. I had been on the previous bios and now updated to 3402.

Not going to read through all the posts. You said you had a GTX 680 -- or "dGPU." Those boards -- mine was the earlier "pre-gen-3") V-Pro -- default to monitor output to the dGPU if it had already been installed in the PCI-E slot. You get a blank screen, and think something's wrong if the monitor is hooked up to the onboard Intel video. Changes must be made in BIOS if you start with iGPU plus dGPU if you want to connect a monitor to the former.

 

[lopri]

Take each memory stick out and test one at a time. Preferably switching DIMM slots around as well.

 

[loki23li]

My issue has been solved though I still don't know exactly what was going on or what caused it to happen in the first place.The system has been up and running again without any issues since the other night. I had posted that it was working again and that I had run a bunch of tests on the hardware.

Everything is rock solid again and once I plugged in all of my OC settings I had no issues 12+ hours prime95 testing.