Troubleshooting: No image on boot, BOOT_DEVICE_LED is on, Q-code 99. Help?

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F0rzen

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Nov 25, 2014
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Hello,

I'm running out of options here and in desperate times you'll have to go for desperate acts... ask help from the internet! :D

My freshly built PC:
------------------------------------------------------
Motherboard: ASUS Maximus VIII Hero
CPU: Intel i7-6700k
Cooler: Noctua NH-D14
GPU: ASUS ROG Strix GTX 1070, 8GB
RAM: 16GB (2 x Kingston 8GB HyperX Fury DDR4 2666MHz)
SSD: Samsung EVO 850, 500GB
HDD: Samsung 1TB
Display: BenQ XL2411Z
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ISSUE:

Now to the issue. Last Tuesday I built my PC and it booted up nicely and smooth. I used computer for couple days without issues, I even played Wednesday morning an hour or two Battlefield 1 with no problems. However, on the same day's evening later as I tried to go play the game again, after 30s of gameplay I got gray screen on display and had to reset my PC completely to get rid of it. Tried 2nd time, same thing happened. Although this time after the reset, my computer did not boot into Windows anymore either.
Or atleast the image wasn't showing up on screen anymore. Computer gets on and lights and such shows up, but image does not appear on display. Even the display's power led shows as "green" color, but the screen remains blank.

Inside the system, my motherboard has "BOOT_DEVICE_LED" -led as orange, plus Q-Code has "99" -number on it. The system and devices itself seems to be running just fine though.

TRIED METHODS:

- All powers are switched on
- Rechecked all the cables to be surely connected between devices and components
- Rechecked all the devices to be fully connected
- Removed and re-applied thermal paste on CPU
- Cooler is tightened correctly on CPU
- Switched between SATA slots for drives
- Switch on different RAM slots with only one RAM
- Use MoBo-Integrated GPU instead of 1070 with HDMI cable (don't own displayport cable)

____________________________________________
15:30 - UPDATE:

Okay, apparently when I replace the GPU with my old GTX 780 -card, I suddenly get a image to my screen and it boots to the Windows normally?
After I placed GTX1070 back, it gets stuck again with no image.
Does this hint that either my 1070 is broken or some settings somewhere is messed? :??: That's odd, since my 1070 has been working so far all fine in my previous build with i5 2500k + ASRock P67 Extreme4. But seems like now it has issue with new motherboard and skylake CPU... Is it actually possible to wreck your GPU by replacing to newer CPU and motherboard? :heink:
____________________________________________
16:30 - UPDATE

Tried to place the GTX 1070 -card back to my previous build (i5 2500k + ASRock P67 Extreme4), since it was working just fine in that one before I moved the card to newer build. Still no image on screen. Most likely ruined card then?


Any thoughts? Ideas?
 
Solution
T
Hardware fails.

Good debugging to find the your system works when you use any video card except the 1070. Excellent problem write-up.

Glad you tried putting the 1070 back in, sometimes re-seating a card and its power connectors works wonders.

You have enough evidence to RMA your 1070 right now. If possible can see if the 1070 works in a different build. From what you've described so far, likely the fail will stay with the card and the 1070 is dead.


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tsnor

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Nov 20, 2008
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Hardware fails.

Good debugging to find the your system works when you use any video card except the 1070. Excellent problem write-up.

Glad you tried putting the 1070 back in, sometimes re-seating a card and its power connectors works wonders.

You have enough evidence to RMA your 1070 right now. If possible can see if the 1070 works in a different build. From what you've described so far, likely the fail will stay with the card and the 1070 is dead.


 
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F0rzen

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Nov 25, 2014
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Hey tsnor, thank you for your respond! :)

Yeah, apparently I need to just accept my faith with bad luck and poor card unit and RMA it back... I did one more test as you suggested, placing 1070 -card back to my old build (i5 2500k + ASRock P67 Extreme4) and still no image on screen. Does the same as in new build. PC runs, everything runs (even GPU's leds are working and such), but yet no image on screen.

I think this is starting to be quite clear case... :)
 
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tsnor

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Nov 20, 2008
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Yep.

Aside, electronics have an interesting failure rate "failure in time" curve. The failure rate starts really high in the first hours of use, then drops to a steady low rate, then a few years later the failure rate starts to rise again (depending on part quality). The "burn in" period during manufacture gets rid of most of the early life failures. You got bit by an early life failure that burn in did not catch.

Ocne the replacement card runs for a week or two you are likely trouble free until the parts hit there end of life assuming your case keeps the parts from overheating too badly.

http://www.vicorpower.com/documents/quality/Rel_MTBF.pdf
https://en.wikipedia.org/wiki/Burn-in
 
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F0rzen

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Nov 25, 2014
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Wow, I must consider myself really REALLY lucky then during my lifetime, when it has come to the PCs and components. I have built multiple times different PCs from many different components, yet I never have come across the time, when something broke already this fast as a brand new product... Especially "sneakily and quietly" like this time. :ange:

But oh well, it's always such a relief feeling still in the end to actually find out the REASON behind the whole problem, even though this time it turned out to be sucky one. But atleast it didn't take my whole weekend trying to solve the issue, if I ever would have... For now my good ol' GTX 780 has regained, again, spot of its own inside the PC... :lol:

Thanks for the hints and guides, tsnor, this problem seems to be solved for now then. :)
 
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