capture a new trace, this time with tis command: xbootmgr -trace boot -traceFlags BASE+CSWITCH+DRIVERS+POWER+LATENCY+DISK_IO_INIT+DISPATCHER+FILE_IO+FILENAME -stackwalk profile+CSwitch+ReadyThread+DiskReadInit+DiskWriteInit -resultPath C:\TEMP Here I see more details about hangs/waits.