![](/images/new-backgrounds/1153123/15312323x1.webp)
Initiating Hibernation (fn+f5)
CAUTION: To reduce the risk of information loss, save your work before initiating Hibernation.
Press fn+f5 to initiate Hibernation.
When Hibernation is initiated, your information is saved to a hibernation file on the hard drive and the computer turns off.
The computer must be on before you can initiate Hibernation.
To exit Hibernation, briefly press the power button.
The function of the fn+f5 hotkey can be changed. For example, you can set the fn+f5 hotkey to initiate Sleep instead of Hibernation.
Initiating QuickLock (fn+f6)
Press fn+f6 to initiate the QuickLock security feature.
QuickLock protects your information by displaying the operating system Log On window. While the Log On window is displayed, the computer cannot be accessed until a Windows user password or a Windows administrator password is entered.
NOTE: Before you can use QuickLock, you must set a Windows user password or a Windows administrator password. For instructions, refer to Help and Support.
To use QuickLock, press fn+f6 to display the Log On window and lock the computer. Then follow the instructions on the screen to enter your Windows user password or your Windows administrator password and access the computer.
Decreasing screen brightness (fn+f7)
Press fn+f7 to decrease screen brightness. Hold down the hotkey to decrease the brightness level incrementally.
Increasing screen brightness (fn+f8)
Press fn+f8 to increase screen brightness. Hold down the hotkey to increase the brightness level incrementally.
Playing, pausing or resuming an audio CD or a DVD (fn+f9)
The fn+f9 hotkey functions only when an audio CD or a DVD is inserted:
●If the audio CD or the DVD is not playing, press fn+f9 to begin or resume the play.
●If the audio CD or the DVD is playing, press fn+f9 to pause the play.
Stopping an audio CD or a DVD (fn+f10)
Press fn+f10 to stop the play of an audio CD or a DVD.
Playing previous track or section of an audio CD or a DVD (fn+f11)
While an audio CD or a DVD is playing, press fn+f11 to play the previous track of the CD or the previous section of the DVD.
6 Chapter 2 Using the keyboard