Windows 7 - my laptop starts automatically!!!!!!!!!!

i have a dell xps 14 with win 7 home premium. it automatically starts at 4 am every saturday sunday and tuesday. i have tried my bios setting but couldn,t find any power settings. if any one has any suggestions please reply.

Do you have a virus scan or disk defragment scheduled for that time?

Do you shut it down, or do you hibernate/sleep your laptop?

The PC is turned off? and not waking from sleep or hibernate?
Interim I would suggest disconnecting the power supply when it is off.

Windows Update settings?

I've had this issue and it appears it was Windows Update, although I never heard of it doing that, it seems it was.

i shut it down completely

no my windows update,virus scan, defragment are not scheduled. and i have also tried without plugging my power supply.

1. Left Click on the power icon at the bottom right of your start bar
2. Click on "More Power Options" (or just search for "power options" on your start bar)
3. Click on "Change plan settings" on either Balanced or Power Saver (depending on which one you use)
4. Click on "Change advanced power settings"
5. Once your Power options panel opens, scroll down and select "Sleep"
6. Click on "Allow Wake Timers" and then click on "Enable" and scroll down to select it as "Disable"

I would set something up to track network activity. Maybe something is trying to send stats home.