Introduction

Every BIOS is different so that not every has an option to enable or disable the WOL functionality. In a general way to enable the Wake On LAN there should be a section for Power Management or if the NIC is PCI attached the option should be in the PCI peripherals section.

Sample images from various BIOSes

AMI

Award

Dell

HP

Phoenix

Other

Cable needed

Some older network cards requires a cable to be connected before they can use the WOL.