so u wanna know how to turn the pc on in 10 seconds (may vary)Aight heres what u have to do to turn ur pc on in 10 seconds.

Aite Click on the start button then press R it will take u to Run well go to run
n type Regedit
press enter
this will open Registery Editor
now look for the key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ContentIndex

now there find the Key Called
"Startup Delay"
Double Click On It
Now where its Base
Click Decimal
Now its Default Value Is 4800000 (75300:hexadecimal)
Change The Value To 40000
here u go u have done it
now close the Registery Editor
and Restart Your Computer
You'll See The Result