Computer incredibly slow at times, freezing/stuttering when opening applications etc

Akagi

Akagi

Akagi

Caporegime
Joined
29 Jul 2011
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In acme's chair.
Hi all, PC has been winding me up recently.

For a few months now it has been stuttering intermittently, freezing completely when opening resource intensive applications (eventually unfreezing and opening the application) - Occasionally it is unusable until I re-boot several times. On initial boot I may not be able to even open the start menu or task manager to see what is going on.

Possibly unrelated but web-pages are also slow to load at times in any browser, despite my connection being stable.

Memtest comes back clean
CPU passes any stress test I throw at it without issue
Diskmarks/health checks all come back fine
I have re-installed Windows
Temps all seem fine
Usage percentages seem fine with nothing obvious spiking up when things grind to a halt

It seems fine at the moment, but tomorrow, or maybe the next day, it will start doing it again...

Spec:

i7 2700K @ 4.7GHz (was previously 5GHz stable for a couple of years, backed it off a bit and same issue)
16GB (4x 4GB) Corsair Vengeance PC3-12800U DDR3
Asus P8Z68-V Pro
2x Sapphire R9 390 8GB
XFX Pro 750W Silver (Seasonic internals)
Samsung 830 256GB (OS + apps - has 80GB+ free space)
Samsung Spinpoint 1TB (Games)
WD Caviar Green 2TB (Media etc)
Xonar Essence STX
Windows 10 Pro 64 bit

If anyone has a brainwave let me know... :)

TIA
 
yep try the cpu at stock clocks and voltage see if that helps,you could try removing the gpu and use onboard graphics to rule out the gpu
 
Is the disk activity light on while it freezes? Last time I had these symptoms it was a dying SSD. Try opening Task Manager on the Disk Usage tab on a second monitor and see if it jumps to 100% I/O when it freezes.
 
DragonQ said:
Is the disk activity light on while it freezes? Last time I had these symptoms it was a dying SSD. Try opening Task Manager on the Disk Usage tab on a second monitor and see if it jumps to 100% I/O when it freezes.
Click to expand...

My initial thoughts were examine task manager if its not a software issue it could be a failing drive.
 
Good question. I'll plug a disk activity light in. :)
Will be a sad day if my trusty 830 is on its way out! But it would at least be a simple answer.

@Space Monkey do you have a returns policy? :D :p
 
Can't find proper power consumption measuring reviews for R9 390.
But other top level cards of those GPUs chips certainly consumer enought, so that I would consider bigger PSU more fit for two of them.
Though PSU would start showing symptoms of struggling under heavier load.

With that overclock also motherboard might be tiring.
Have you done Windows file integrity check?
Would certainly use stock settings during Windows reinstall.

Monitoring DPC latency when problem appears would be one thing to check if its some driver.
http://www.resplendence.com/latencymon
Though hardware problem could certainly case problems in that.

Then Windows has Performance monitor.
https://www.makeuseof.com/tag/use-windows-performance-monitor-like-power-user/
https://www.windowscentral.com/how-use-performance-monitor-windows-10

And there are other monitoring softwares like Process Explorer and Process Monitor.
 
I thought the subject of the PSU might come up, its fine. I did all the calculations a while ago, and I have a power meter as well and it barely ever goes over 600W total consumption. Plus there are no issues at all in high load scenarios such as gaming. :)

It just seems that the system falls on its face when opening big apps. For example, Photoshop CS6, Illustrator CS6, etc. When actually in the app, everything works fine.

Motherboard/CPU degredation could be possible yeah. It has been running a 4.8GHz+ overclock with either a 2500K or a 2700K since 2011. I thought it would more likely be the CPU though hence backing the overclock off a bit.

Thanks for the other tips, I will have a look when I get in from work!
 
Acme said:
It just seems that the system falls on its face when opening big apps. For example, Photoshop CS6, Illustrator CS6, etc. When actually in the app, everything works fine.
Click to expand...
Opening those causes certainly quite a lot of of I/O activity.
But so does loading of games...
 
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