So, something is wrong with my PC, I'm just not sure what it is and I would like to sort out if it's a BIOS problem or a GPU/Motherboard problem. (I'm a noob with PC's and english is not my first language, so sorry in advance!)
SPECS
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OS: Windows 10
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Motherboard: Asus ROG Maximus VIII Ranger (2 years old)
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CPU: Intel i5 6600K (2 years old)
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GPU: AMD Sapphire Radeon R9 390 Nitro (2 years old)
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PSU: be quiet Dark Power 11 (? I'm not 100% sure and I can't check right now), 650 Watt, Platinum (pretty new)
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SDD: Samsung 750 EVO 120GB (pretty new)
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HDD: 1000GB Seagate (2 years old)
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RAM: 2x 8GB HyperX Fury DDR4-2666 DIMM
WHAT HAPPENED
So, I was played GW2 the last days, my PC crashed into an unresponsive black screen a couple times, I had to force it off and restart - everything fine (booted directly to windows). I checked temperatures and cleaned some fans, but there was nothing unusual, so I updates some drivers and tried again. It didn't crash for a while as far as I remember. After a while it crashed again though, this time it wouldn't boot up again when I restart it though. I would just get the message "no signal detected" on my monitor. Motherboard would give me the "Boot Device LED" constantly lit in orange and the Q-Code 99 most of the time.
WHAT I TRIED
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reseat GPU and clean again
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use HDMI cable instead of the white dual link
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disconnect everything except CPU, PSU & one stick of RAM
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reseat watercooling sytem on CPU
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take out GPU (I was kinda sure at that point, that is is broken and maybe interfering with the boot), put hdmi cable in the motherboard -> still nothing, got scared that my motherboard has issues.
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Reseated everything again, changed some cables, tried to put the HDMI cable (it was still packaged and unused before) in the motherboard again -> woah it booted to BIOS! (this time q code B2 and still the boot device) So, I was able to boot it to windows by using the bios override through my SSD (where the OS is) and it booted just fine. When I turn it off though, it won't boot, not even into BIOS unless I press the clear cmos button. (I got an error when I selected the override, a7 or something, I don't really remember, but that was gone after I flashed bios to the newest version)
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Then a friend advised me to try some differnt setting in bios, I don't recall everything, but the problem still didn't go away. I still needed to push clear cmos every time in order to make it boot to bios. (F10 would make it restart, so just make it go to the "no signal detected" screen again, all this while using the integrated gpu btw)
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I took the battery thingy out and left it a bit before putting it back in - no change.
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Friend then suggested that I should put the HDMI in while the PC was starting up and - oh wonder: It booted directly to windows - no bios screen!
But that's as far as I came. I ordered a new GPU already, I wanted to upgrade anyways, but I'm afraid that my GPU is not the only problem. How's the probability that everything will just work fine again when I have the new GPU installed? I have all this information from testing, but since I'm a PC noob I don't really know what to do with it. Especially the HDMI cable thing. What does it say about my system when it will only boot (or probably: only show the boot on the screen, without putting me to bios) when I put the cable in while it's starting up?
So what should I do now? Any advice on more setting changes or what else I could try? I'm kinda lost right now, so thanks in advance!
Submitted May 02, 2018 at 05:34PM by techthrowaway112 https://ift.tt/2jnVICN
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