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My computer suddenly became sluggish. Task manager didn't help. I had lots of memory (computer has 16GB), SSD and lots of free space. CPU% was less than 5%.
The last change that happened before the sluggishness was reinstalling the gfx drivers because of a gfx card issue.
I removed the gfx drivers, rebooted, installed the drivers, rebooted and computer is healthy and fast.
Now suppose I want to troubleshoot this in the future without knowing what has changed in advance on the computer, for example troubleshooting someone's computer. How would I troubleshoot this? How do I know if a device driver and which one is causing the sluggishness without going through something like a trial and error of uninstalling, reinstalling drivers?
perfmon? – DavidPostill – 2016-07-07T20:30:22.627
Start by loading only the drivers required for the system to boot – Ramhound – 2016-07-07T21:04:18.643
which GPU and which driver do you use? – magicandre1981 – 2016-07-08T04:17:46.663
@DavidPostill Can it show stats for device drivers? – Tony_Henrich – 2016-07-08T16:35:54.133
@magicandre1981 I resolved my issue with gfx card. I am asking a general question. – Tony_Henrich – 2016-07-08T16:36:43.930
@Tony_Henrich Yes. See 3 Steps to Troubleshooting Device Drivers
– DavidPostill – 2016-07-08T16:37:47.067