Question PC freezing bug persists even after PC reset ?

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ok, looks like you will have to find it directly on the dell site.
I used your system name and manually looked up the drivers/bios for
dell xps 8940 desktop drivers

looks like the device was part of bios for intel ddt
(intel dynamic tuning technology)
I already installed the 3 drivers the dell site scanned and found for my pc .
View: https://imgur.com/a/Mlgm9bu

Should I manually download what you said as well ? PC is up to date
 
Well, the system will continue to attempt to install a driver for the unknown device if the windows plug and play service is running.

Best option is to install what is missing. second option would be to go into bios and disable what ever intel option is providing the functionality. Something related to intel application optimization (intel apo) or intel dynamic tuning technology (intel dtt).

net.exe stop "plug and play"
will only disable plug and play until you run
net start "plug and play"
or reboot. ( it should prevent plug and play searching for the driver and attempting to download while the plug and play service is stopped)
 
Well, the system will continue to attempt to install a driver for the unknown device if the windows plug and play service is running.

Best option is to install what is missing. second option would be to go into bios and disable what ever intel option is providing the functionality. Something related to intel application optimization (intel apo) or intel dynamic tuning technology (intel dtt).

net.exe stop "plug and play"
will only disable plug and play until you run
net start "plug and play"
or reboot. ( it should prevent plug and play searching for the driver and attempting to download while the plug and play service is stopped)

Oh that makes a lot of sense ...I sadly don't even know what that unknown device is ...dell scanning software didn't help either . So my only chance is exploring the BIOS / UEFI
 
Well, the system will continue to attempt to install a driver for the unknown device if the windows plug and play service is running.

Best option is to install what is missing. second option would be to go into bios and disable what ever intel option is providing the functionality. Something related to intel application optimization (intel apo) or intel dynamic tuning technology (intel dtt).

net.exe stop "plug and play"
will only disable plug and play until you run
net start "plug and play"
or reboot. ( it should prevent plug and play searching for the driver and attempting to download while the plug and play service is stopped)
I couldn't find any plug and play related setting in the BIOS maybe i'm missing something -
this is the most relevant page I guess : (The pc no longer freezes after typing net.exe stop "plug and play" in cmd I'm very grateful , man
View: https://imgur.com/a/TudEWL0
 
the bios scans the hardware and makes a database of hardware and settings that is passed to windows. windows plug and play uses this database and continues the setup of hardware by making settings and attempting to install drivers.
I am not sure what the device is but I would be looking at options in bios that mention IDT (intel dynamic tuning) and turn them off.
otherwise maybe go to dell and install updates.
or try intel driver update, but they will not have custom dell drivers.
https://www.intel.com/content/www/us/en/support/detect.html

I once wiped a dell laptop and it deleted a driver for a touch screen. Dell did not publish the custom driver and the machine was out of support. They wanted the laptop sent in and support payment to install the driver. (was not worth the cost for that fix)

you might consider looking at the set up logs for plug and play.
I think they are located at c:\windows\inf\setupapi.setup.log

(you might find it easier to delete the logs, then reproduce the problem, then stop the plug and play service and then look at the log (just to make it a smaller file)
 
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the bios scans the hardware and makes a database of hardware and settings that is passed to windows. windows plug and play uses this database and continues the setup of hardware by making settings and attempting to install drivers.
I am not sure what the device is but I would be looking at options in bios that mention IDT (intel dynamic tuning) and turn them off.
otherwise maybe go to dell and install updates.
or try intel driver update, but they will not have custom dell drivers.
https://www.intel.com/content/www/us/en/support/detect.html

I once wiped a dell laptop and it deleted a driver for a touch screen. Dell did not publish the custom driver and the machine was out of support. They wanted the laptop sent in and support payment to install the driver. (was not worth the cost for that fix)

you might consider looking at the set up logs for plug and play.
I think they are located at c:\windows\inf\setupapi.setup.log

(you might find it easier to delete the logs, then reproduce the problem, then stop the plug and play service and then look at the log (just to make it a smaller file)
Ok nevermind - the freezes return even after the cmd command net.exe stop "plug and play" was executed
 
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Ok nevermind - the freezes return even after the cmd command net.exe stop "plug and play" was executed
you need to change the memory dump type to kernel, then google how to force a memory dump on windows. Make the registry changes. The next time your system has a delay, use the keyboard to force a memory dump. Then copy memory.dmp file to a server, share it for public access and post a link.

if the problem is in plug and play, the kernel dump will have the debug info. Same goes for other potential causes for this type of errror. (various timeouts)

You might want to do a practice memory dump with the keyboard, and copy the working memory dump to a server. I will take a quick look and see if I can find anything wrong with the working system before you dump the failing system.