HP E4S20UA#ABA, E4S17UA#ABA, E4S13UA#ABA, 17.3 E0K82UA#ABA manual Maintaining your computer

Using optical drives	54
Inserting an optical disc	55
Tray-load	55
Removing an optical disc	55
Tray-load	55
When the disc tray opens normally	56
When the disc tray fails to open normally	56
Sharing data and drives and accessing software	57
8 Maintaining your computer	59
Improving performance	59
Handling drives	59
Replacing the primary hard drive	60
Replacing the secondary hard drive (select models only)	62
Using HP 3D DriveGuard (select models only)	64
Using Disk Defragmenter	64
Using Disk Cleanup	65
Adding or replacing memory modules	65
Updating programs and drivers	69
Cleaning your computer	69
Cleaning the display, sides, and cover	69
Cleaning the TouchPad and keyboard	69
Traveling with or shipping your computer	70
9 Securing your computer and information	71
Using passwords	71
Setting Windows passwords	72
Setting Setup Utility (BIOS) passwords	72
Using the fingerprint reader	73
Using HP SimplePass (select models only)	73
Registering fingerprints	73
Using your registered fingerprint to log on to Windows	74
Using Internet security software	74
Using antivirus software	74
Using firewall software	74
Installing software updates	75
Installing critical security updates	75
Installing HP and third-party software updates	75
Securing your wireless network	75
Backing up your software applications and information	75
Using an optional security cable lock	75

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