Strange PC Hang

Recently, I've been intermittently getting odd PC hangs. In the middle of a game, my screens (two-monitor setup) will cut feed and be replaced with a black screen or a random color screen(the first time I got purple and the second a light grey). Meanwhile, the PC power will stay on and i'm forced to hard reset my PC to get it back on. Afterwards, my PC is pretty much fine.

Specs:
CPU: AMD FX-6350 6-Core 3.9GHz
GPU: AMD RX Vega 64
Mobo: ASUS M5A99X Pro R2.0
PSU: Corsair RM850X 80 Plus Gold
Memory: 24GB G.Skill Ripjaws
Hard Drive(s): Samsung EVO 1TB SSD
Seagate Barracuda 1TB HDD
Monitors: AOC 1920X1080 60hz
ASUS 1920X1080 144hz

I feel like it must be either a heat problem or PSU failure. Anyway you guys can help me narrow this down? Thanks in Advance!
11 answers Last reply
More about strange hang
  1. Does your motherboard have the latest BIOS update? There have been many issued and almost all are to "Improve system stability".
  2. Latest GPU drivers? Maybe try rolling back, or even OS rollback. What are temps like?
  3. @Rocktalkrock : Msinfo and Speccy both show BIOs as the most up to date version based of ASUS's website. I did a BIOS update when I first installed the rig so maybe just a bad BIOs firmware?

    @1LiquidPC : All GPU drivers are up to date, I pretty much have to stay on top of that since the Vega constantly needs support for older games. I did a OS rollback just recently due to the latest Windows 10 update gunking up my Visual C++ packs. Temps are usually fine, I recently started recorded them after the second incident and it usually sits around 22-26C for CPU, 27-32C for GPU, and 22-24C for Mobo.
  4. If you look there have been 12 different BIOS updates to Improve system stability for the M5A99FX PRO R2.0. The very fact they have to keep releasing these updates is proof they have not been able to completely solve the problems with stability.
  5. Did this start after Vega upgrade? Do you have an old GPU to test?
  6. @rocktalkrock I agree, it might be benefical in the long run to just get a new Mobo, which i'm currently looking into regardless.

    @1LiquidPC Yes, and after a test using my old RX480 I experienced similar problems, including a no input display error on start up.

    I did a thorough clean and break down of my PC, and rebuilt it up back from square one. the insides of the case are somewhat cramped, so I did cord management, as its quite possible my cables were blocking the Vega or PSU's Fan. I also noted that my PSU power cable was possibly the wrong cable, I have recently moved and thus bundled my cords en masse to take with me, simply because I noted that I had a similar cable with different outputs, 10A for the original and 13A for the secondary I found. I don't know if that could play a factor, but someone more electrically-educated than me could shed some light it would be greatly appreciated.
  7. questionable.inquistor said:
    @rocktalkrock I agree, it might be benefical in the long run to just get a new Mobo, which i'm currently looking into regardless.

    @1LiquidPC Yes, and after a test using my old RX480 I experienced similar problems, including a no input display error on start up.

    I did a thorough clean and break down of my PC, and rebuilt it up back from square one. the insides of the case are somewhat cramped, so I did cord management, as its quite possible my cables were blocking the Vega or PSU's Fan. I also noted that my PSU power cable was possibly the wrong cable, I have recently moved and thus bundled my cords en masse to take with me, simply because I noted that I had a similar cable with different outputs, 10A for the original and 13A for the secondary I found. I don't know if that could play a factor, but someone more electrically-educated than me could shed some light it would be greatly appreciated.

    http://www.tomshardware.com/answers/id-3211871/13a-power-cable-10a.html
  8. UPDATE: So, I got a rousing round of "no input display" so I proceeded to try and isolate the problem. Interestingly enough, though annoying for me, I shut off my 144hz monitor to test with just my basic 60hz monitor and it instantly worked, with no change in hardware. I tried to turn on and reconnect my 144hz and almost on cue the display began to flicker out on my 60hz monitor and when it finally settled my 144hz monitor came in at 1240X720 resolution, with no option to scale up, despite being a 1920X1080. I had the case open while this happen, and I saw a raise in power draw out of my Vega as it tried to feed to the second monitor when I re-hooked it. My question, is it the Vega or the Monitor?

    EDIT: So, since I was on Discord with a friend while I doctor'd on my PC, I explained the issue to him and he suggested unplugging the 144hz monitor from the surge protector and replug it. I tried this, and the 144hz rebooted in its original 1920X1080 resolution. He says that the issue may be at fault with my surge protector. So, I've swapped for a new one, a spare I had sitting around from when I bought supplies for out new house, and it was no problems restarting the PC after hooking it into the new surge protector. I'm willing to say its a fluke, but Occum's Razor and all that. If you guys can think of a different reason for the following, please let me know. I'll update if I experiencing any more of the same problem.
  9. questionable.inquistor said:
    UPDATE: So, I got a rousing round of "no input display" so I proceeded to try and isolate the problem. Interestingly enough, though annoying for me, I shut off my 144hz monitor to test with just my basic 60hz monitor and it instantly worked, with no change in hardware. I tried to turn on and reconnect my 144hz and almost on cue the display began to flicker out on my 60hz monitor and when it finally settled my 144hz monitor came in at 1240X720 resolution, with no option to scale up, despite being a 1920X1080. I had the case open while this happen, and I saw a raise in power draw out of my Vega as it tried to feed to the second monitor when I re-hooked it. My question, is it the Vega or the Monitor?

    Is your ASUS 144hz monitor listed in "Device Manager > Monitors" or default monitor?
  10. rocktalkrock said:
    questionable.inquistor said:
    UPDATE: So, I got a rousing round of "no input display" so I proceeded to try and isolate the problem. Interestingly enough, though annoying for me, I shut off my 144hz monitor to test with just my basic 60hz monitor and it instantly worked, with no change in hardware. I tried to turn on and reconnect my 144hz and almost on cue the display began to flicker out on my 60hz monitor and when it finally settled my 144hz monitor came in at 1240X720 resolution, with no option to scale up, despite being a 1920X1080. I had the case open while this happen, and I saw a raise in power draw out of my Vega as it tried to feed to the second monitor when I re-hooked it. My question, is it the Vega or the Monitor?

    Is your ASUS 144hz monitor listed in "Device Manager > Monitors" or default monitor?


    Actually, both monitors are listed as Generic PnP Monitors. Bad drivers, maybe?

    EDIT: Did a "update driver" Scan on both monitors, got the AOC 60hz to showcase it's actual name, the ASUS came back with the windows PnP driver being its best option.
  11. questionable.inquistor said:
    rocktalkrock said:
    questionable.inquistor said:
    UPDATE: So, I got a rousing round of "no input display" so I proceeded to try and isolate the problem. Interestingly enough, though annoying for me, I shut off my 144hz monitor to test with just my basic 60hz monitor and it instantly worked, with no change in hardware. I tried to turn on and reconnect my 144hz and almost on cue the display began to flicker out on my 60hz monitor and when it finally settled my 144hz monitor came in at 1240X720 resolution, with no option to scale up, despite being a 1920X1080. I had the case open while this happen, and I saw a raise in power draw out of my Vega as it tried to feed to the second monitor when I re-hooked it. My question, is it the Vega or the Monitor?

    Is your ASUS 144hz monitor listed in "Device Manager > Monitors" or default monitor?


    Actually, both monitors are listed as Generic PnP Monitors. Bad drivers, maybe?

    EDIT: Did a "update driver" Scan on both monitors, got the AOC 60hz to showcase it's actual name, the ASUS came back with the windows PnP driver being its best option.

    I think the driver for your Asus 144hz monitor is in Windows 10, but not Windows 7. It is available on the Asus website.
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