Disconnects almost all peripherals untill I restart PC

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J

jeanpaul.sneider

Sep 25, 2018
7
0
10
Hi,
Recently my computer started randomly disconnecting all peripherals (so monitors say no signal and go stand by mode) other than the USB speakers (so I hear sounds and it is still working, but can't ALT+F4 or force restart with CTRL+ALT+DEL) and won't reconnect unless I restart. (a couple of times came back on its own).
I checked for temperature they usually are in the 40-50°C range.
I wonder if it might be the PSU (a quite old Thermaltake Toughpower 600W, bought in 2006).

Any tips about what I should look into?

Thanks

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System Information
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Time of this report: 9/25/2018, 14:35:49
Machine name: DESKTOP-VSSB7U4
Machine Id: {69923691-C8B6-450E-BE2F-12F79E55EE6B}
Operating System: Windows 10 Pro 64-bit (10.0, Build 17134) (17134.rs4_release.180410-1804)
Language: Italian (Regional Setting: Italian)
System Manufacturer: MSI
System Model: MS-7850
BIOS: V3.9 (type: UEFI)
Processor: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 32768MB RAM
Available OS Memory: 32696MB RAM
Page File: 8144MB used, 29415MB available

---------------
Display Devices
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Card name: NVIDIA GeForce GTX 1080
Manufacturer: NVIDIA

Monitor Name: BenQ LCD
Monitor Model: BenQ LCD
Monitor Id: BNQ801B
Native Mode: 2560 x 1440(p) (59.951Hz)

Monitor Model: CX270
Monitor Id: ENC2403
Native Mode: 2560 x 1440(p) (59.951Hz)
Output Type: Displayport External
And a few Hard drives. An old 500GB an ssd and a 2TB hard disk.
 
Solution
jojesa
Power requirements will go up around 15W just by connecting a second monitor.
If you do watch a video power usage goes up, since the CPU and GPU have more work to do.
So even though it might look like the monitor is the issue, it could be something else.
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jojesa

jojesa

Glorious
Dec 6, 2006
7,180
551
47,440
The issue you described, seems to point to a power or motherboard, If you are still having the same issues then you might need to replace the motherboard.
Inspect the motherboard closely, especially the capacitors and see if they look out shape (bulging).
When getting a PSU don't go for just the wattage but also for reliability...550W PSU would be enough for your system components.
 
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J

jeanpaul.sneider

Sep 25, 2018
7
0
10
I work in post production I know I will upgrade my computer so I took a bigger PSU to be future-proof. took the GQ model that from reviews I read seemed a good choice. I will look into the motherboard.
Thanks again
 
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jojesa

jojesa

Glorious
Dec 6, 2006
7,180
551
47,440
If the motherboard is failing, is very hard to detected with a software utility.
The first thing I would do is a visual inspection, but you need to know what to look for, like swelled or blown capacitors, solder joints, etc.
You could have microscopy cracks that expand or contract depending on temperatures and could cause issues that will be close to impossible to diagnose.
You might be able to catch the faulty component with PCI-E Diagnostic Card Tester and they cost as much or more than a new motherboard.
 
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J

jeanpaul.sneider

Sep 25, 2018
7
0
10
Thanks for your time. Visually seems fine, at least nothing major visible.
I will go on with different configurations, to try to undestand where the problem is. if the monitors, the gpu, the motherboard the ram or whatever.
 
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jojesa

jojesa

Glorious
Dec 6, 2006
7,180
551
47,440
I don't think the monitor or GPU will cause that type of issue, since it looks like a power issue.
-Even though I don't think is the RAM, I would check the RAM first, using memetest86+ letting it run for 5-7 passes.
-Then I will try another PSU and see if the issues is still present.
- The motherboard I will run it without any peripherals (USB devices, add=on cards, etc.) connected

Hope you could find the issue.
 
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J

jeanpaul.sneider

Sep 25, 2018
7
0
10
Disconnecting one of the monitors and two das without crashing, when I couldn't go for 1h straight sometimes and during worst moments 15 minutes. Trying second monitor. But around forums post float this kind of problem with dual monitor setup despite updated drivers. I will write down further developments.
 
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jojesa

jojesa

Glorious
Dec 6, 2006
7,180
551
47,440
Power requirements will go up around 15W just by connecting a second monitor.
If you do watch a video power usage goes up, since the CPU and GPU have more work to do.
So even though it might look like the monitor is the issue, it could be something else.
 
Upvote 0 Downvote
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