Same issue at the moment. The Performance part of the TaskMan doesn't show to any app culprits although the task "system" sometimes hogs up to 90% of the disk.

Tried reboots, reg cleaners,...

Checking the Dell Support page - a huge "this device has been tested to work with Windows 10" makes me shake my head.

It seems to be an issue with the Driver of the secondary GFX Card. What worked...

Same issue here, same laptop... Am going to try the following:

Internal Power Error - upgrading Windows 10 - HP Support Forum - 5168643
All you need is to:

1. Login to safe mode: (I kept...