HP ProBook 4326s Notebook-PC - Manual (Page 55)

Using QuickWeb
QuickWeb is an instant-on environment that is separate from your Windows operating system.
QuickWeb allows you to rapidly access a Web browser without the need to start Windows.
▲ Press f6 when the computer is off or in Hibernation to open QuickWeb on your computer.
NOTE: Pressing f6 will not work when the computer is on or in Sleep mode.
Using QuickWeb 43