WDaren,
A microsoft update is responsible for this problem. The Microsoft Update/QFE is causing the hang on Dell Logo screen. Try this...
* Restart the computer
* When the Dell logo appears tap F2
* Navigate to the Boot area
Secure Boot state = Disabled
Secure Boot = Disabled
Boot Mode = Legacy
* Press F10 to Save and Exit
* At the error, "Boot device not found", again press F2
* Navigate to the Boot area
Secure Boot state = Disabled
Secure Boot = Disabled
Boot Mode = UEFI
* Press F10 to Save and Exit
Post your results.
