Having the same problem on my XPS. Disabling the Realtek driver literally boosts boot time by almost a minute.

only reboot is delayed, normal boot (shutdown and boot) - seems always to be fast.
I'm disappointed too. I'm surprised that so few complain about this fact. every customer should notice that.

Extremely slow boot times on the Precision 5760 here as well. I don't see a "Realtek SoundWire HW Audio Codec" in device manager to disable.

Are the other users having trouble with slow boot using a dock as well? I've had problems with my dock since day one, often having to unplug and restart the dock multiple times to get the dock to recognize the laptop has been plugged in. The laptop seems to boot slightly faster when not docked.

i dont have a dock. - you can see Realtek SoundWire HW Audio Driver here...


Today i installed new bios+Driver - The problem is still present.
XPS_17_9710_Precision_5760_1.19.0.exe
Realtek-High-Definition-Audio-Driver_KK8TR_WIN_10.0.212.1_A53.EXE

Hi,
 
I'm Geoffrey, one of the Supervisors at Dell Social Media Support. I’m writing to you regarding the interaction you had with my team. 
 
I'm sorry for the inconvenience caused. I do understand your concerns and would have felt the same if I were in your situation. 
We had this case reviewed with the product engineering team, and they are working on this. As per the update, the next audio driver release will resolve the issue. The ETA is in the month of July. 
We will proceed to archive the case for now. In the meantime, if you have any questions about this service, please contact us. We will be happy to assist you. Thanks again for your time and patience. 

Thank you for your patience and understanding.
 
Best Regards
Geoffrey
Supervisor 
Dell Social Media Team