New rig removes/adds hardware when going to sleep.

GDS191

Reputable
Jan 26, 2016
5
1
4,515
Hello all,
I am having a frustrating problem with a new rig I just put together. The computer functions perfectly, but then when inactivity hits 30 minutes (when I have it set to turn the monitor off and go to sleep), the monitor goes dark, but the computer makes the sound of hardware being unplugged – then 6-7 seconds later the sound of hardware being plugged in. As if someone was perpetually taking a flash drive out and putting it back in.

During this process, something happens with the displays. I use three different displays with Eyefinity. (1&3 clone, 2 extended) 1 -Spectre monitor (DVI), 2- Sony TV (HDMI), and 3 - Optoma projector (display port). All three displays work properly. When I come back to the computer after hours of this 6-7 second cycle, sometimes my main display is changed from 1&3 to 2. Other times, my default sound output will be changed from the TV’s HDMI output to my computer speakers or visa versa. Other times, my desktop background will be black with the resolution of the screen messed up, and the taskbar missing, with Explorer not responding yet using 23% CPU.

My first thought was that there is a loose cable or connection. I unplugged all the peripheral keyboard / mouse/ monitors / HDD’s and just used a DVI monitor and PS/2 keyboard. Tested after 30 mins and the same thing happened.

Next, I unplugged the RAM, GPU and power connections to the mobo and reseated everything. I wanted to use another 8 pin power connector for my GPU, but the PSU only has one 8-pin. There is no dust or corrosion though. Tried again – same problem. Convinced this was the issue, I bought a 6pin to 8 pin connector on Newegg (StarTech PCIEX68ADAP 6" PCI Express 6 pin to 8 pin Power Adapter Cable F-M) and tried this. Still no fix.

Finally, I installed good ol’ Windows 7 ultimate 64bit just to see if the issue would remain, and it does. Fresh installed back to Win 10 and gave up. I set my computer to never go to sleep and I never have the problem. Now I just turn the comp off after using it. Bootup time is 8-10 seconds with quickboot enabled, so it’s not too much of an issue. I just don’t understand the problem here and want to figure out the issue to insure that I’m not hurting my GPU or something by ignoring the issue.

Rig:
OS – Win 10 64 bit pro (fresh install)
PSU – 6 year old 600w 80gold
Mobo - ASUS M5A99FX PRO R2.0 AM3+
Bios Version: 2501 (latest version as far as I know)
CPU: AMD FD8350FRHKBOX FX-8350
GPU: Gigabyte AMD R9 380 R938G1
Radeon Software: AMD Radeon Software Crimson Edition Display Driver version 15.30.1025.1001
RAM: G.SKILL Sniper 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Model F3-1866C10D-16GSR


 
Solution
This is a very odd issue. The only thing I can think of is when the PC goes to sleep, the power being ran to it is brought down to a minimal. If the motherboard has issues and isn't able to regulate power very well, that might explain what is happening here. That same issue could be with the RAM as well. I hate to say it, but considering what you've tried already, it has to be hardware; but we won't know for sure unless you test one by one.

I honestly would just leave sleep modes off.
This is a very odd issue. The only thing I can think of is when the PC goes to sleep, the power being ran to it is brought down to a minimal. If the motherboard has issues and isn't able to regulate power very well, that might explain what is happening here. That same issue could be with the RAM as well. I hate to say it, but considering what you've tried already, it has to be hardware; but we won't know for sure unless you test one by one.

I honestly would just leave sleep modes off.
 
Solution

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