why does my computer wake up from sleep mode by itself?

[coleisme]

hi after i put my computer in sleep mode about 10 to 15 min later it wakes up on its own. i tried going into device manager and making sure that my mouse and keyboard were unchecked and even after i unchecked them it still kept doing it please help

 

[ak195]

Its windows issue came sometimes. I have same issue, I formated current window and install fresh one and the problem solved.

 

[johnbl]

network traffic can wake computers up.
you can go into the windows power management and set the power settings to tell the Ethernet driver not to wake the computer.

also, some computers have a BIOS setting in their power management that allows the computer to wake by LAN. (might turn it off)