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HP EliteBook 755 User Guide - Page 42

Using HP LAN-WLAN Protection (select products only), Turning on and customizing HP LAN-WLAN Protection

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Using HP LAN-WLAN Protection (select products only) In a LAN environment, you can set HP LAN-WLAN Protection to safeguard your LAN network from unauthorized wireless access. When HP LAN-WLAN Protection is enabled, the WLAN (Wi-Fi) connection is turned off when the computer is connected directly to a LAN. Turning on and customizing HP LAN-WLAN Protection 1. Connect a network cable to the network jack on the computer, or on an optional docking device or expansion product. 2. Start Computer Setup (BIOS). ● Computers or tablets with keyboards: ▲ Turn on or restart the computer, and when the HP logo appears, press f10 to enter Computer Setup. ● Tablets without keyboards: ▲ Turn on or restart the tablet, and then quickly hold down the volume down button until the Startup menu is displayed. Tap f10 to enter Computer Setup. 3. Select Advanced, and then select Built-in Device Options. 4. Select the check box for LAN/WLAN Auto Switching to turn off WLAN connections when connected to a LAN network. 5. To save your changes and exit Computer Setup, select the Save icon in the lower-right corner of the screen, and then follow the on-screen instructions. ‒ or - Select Main, select Save Changes and Exit, and then press enter. Your changes go into effect when the computer restarts. Using HP MAC Address Manager to identify your computer on a network (select products only) You can enable a system Media Access Control (MAC) address to provide a customizable way of identifying your computer and its communications on networks. This system MAC address provides unique identification even when your computer is connected through an external device, such as a docking station or external wireless adapter. This address is disabled by default. Turning on and customizing the system MAC address 1. Connect a network cable to the network jack on the computer, or on an optional docking device or expansion product. 2. Start Computer Setup (BIOS). ● Computers or tablets with keyboards: ▲ Turn on or restart the computer, and when the HP logo appears, press f10 to enter Computer Setup. ● Tablets without keyboards: ▲ Turn on or restart the tablet, and then quickly hold down the volume down button until the Startup menu is displayed. Tap f10 to enter Computer Setup. 30 Chapter 3 Network connections

Section	Page
Welcome	13
Finding information	14
Components	16
Locating hardware	16
Locating software	16
Right	17
Left	19
Display	20
Keyboard area	21
TouchPad	21
Lights	22
Buttons, speakers, and fingerprint reader	24
Special keys	26
Action keys	28
Hot keys (select products only)	30
Bottom	31
Front	32
Cover	33
Labels	34
Inserting a SIM card (select products only)	36
Network connections	37
Connecting to a wireless network	37
Using the wireless controls	37
Wireless button	37
Operating system controls	37
Connecting to a WLAN	38
Using HP Mobile Broadband (select products only)	38
Using HP Mobile Connect Pro (select products only)	39
Using GPS (select products only)	39
Using Bluetooth wireless devices (select products only)	39
Connecting Bluetooth devices	39
Using NFC to share information (select products only)	39
Sharing	40
Connecting to a wired network	41
Connecting to a local area network (LAN) (select products only)	41
Using HP LAN-WLAN Protection (select products only)	42
Turning on and customizing HP LAN-WLAN Protection	42
Using HP MAC Address Manager to identify your computer on a network (select products only)	42
Turning on and customizing the system MAC address	42
Navigating the screen	44
Using TouchPad and touch screen gestures	44
Tap	44
Two-finger pinch zoom	45
Two-finger slide (TouchPad only)	45
Two-finger tap (TouchPad only)	45
Four-finger tap (TouchPad only)	45
Three-finger swipe (TouchPad only)	46
One-finger slide (touch screen only)	47
Using an optional keyboard or mouse	47
Using an on-screen keyboard (select products only)	47
Entertainment features	48
Using a camera (select products only)	48
Using audio	48
Connecting speakers	48
Connecting headphones	48
Connecting headsets	49
Using sound settings	49
Using video	49
Connecting a DisplayPort device using a USB Type-C cable (select products only)	50
Connecting a Thunderbolt device using a USB Type-C cable (select products only)	51
Connecting video devices using an HDMI cable (select products only)	52
Setting up HDMI audio	52
Discovering and connecting wired displays using MultiStream Transport	53
Connect displays to computers with AMD or Nvidia graphics (with an optional hub)	53
Connect displays to computers with Intel graphics (with an optional hub)	53
Connect displays to computers with Intel graphics (with a built-in hub)	54
Discovering and connecting to Miracast-compatible wireless displays (select products only)	54
Using data transfer	54
Connecting devices to a USB Type-C port (select products only)	55
Managing power	56
Using Sleep and Hibernation	56
Initiating and exiting Sleep	56
Initiating and exiting Hibernation (select products only)	57
Shutting down (turning off) the computer	57
Using the Power icon and Power Options	58
Running on battery power	58
Using HP Fast Charge (select products only)	58
Displaying battery charge	59
Finding battery information in HP Support Assistant (select products only)	59
Conserving battery power	59
Identifying low battery levels	59
Resolving a low battery level	60
Resolving a low battery level when external power is available	60
Resolving a low battery level when no power source is available	60
Resolving a low battery level when the computer cannot exit Hibernation	60
Factory-sealed battery	60
Running on external power	60
Security	62
Protecting the computer	62
Using passwords	62
Setting passwords in Windows	63
Setting passwords in Computer Setup	64
Managing a BIOS administrator password	64
Entering a BIOS administrator password	66
Using DriveLock Security Options	66
Selecting Automatic DriveLock (select products only)	66
Enabling Automatic DriveLock	66
Disabling Automatic DriveLock	67
Entering an Automatic DriveLock password	67
Selecting manual DriveLock	67
Setting a DriveLock master password	68
Enabling DriveLock and setting a DriveLock user password	68
Disabling DriveLock	69
Entering a DriveLock password	69
Changing a DriveLock password	69
Using Windows Hello (select products only)	70
Using antivirus software	70
Using firewall software	70
Installing software updates	71
Using HP Client Security (select products only)	71
Using HP Managed Services (select products only)	71
Using an optional security cable (select products only)	71
Using a fingerprint reader (select products only)	72
Locating the fingerprint reader	72
Maintenance	73
Improving performance	73
Using Disk Defragmenter	73
Using Disk Cleanup	73
Using HP 3D DriveGuard (select products only)	73
Identifying HP 3D DriveGuard status	74
Updating programs and drivers	74
Cleaning your computer	74
Cleaning procedures	74
Cleaning the display	75
Cleaning the sides or cover	75
Cleaning the TouchPad, keyboard, or mouse (select products only)	75
Traveling with or shipping your computer	75
Backing up, restoring, and recovering	77
Creating recovery media and backups	77
Using HP Recovery media (select products only)	77
Using Windows tools	78
Using the HP Cloud Recovery Download Tool (select products only)	79
Restore and recovery	79
Recovering using HP Recovery Manager	79
What you need to know before you get started	79
Using the HP Recovery partition (select products only)	80
Using HP Recovery media to recover	81
Changing the computer boot order	81
Removing the HP Recovery partition (select products only)	81
Computer Setup (BIOS), TPM, and HP Sure Start	82
Using Computer Setup	82
Starting Computer Setup	82
Using a USB keyboard or USB mouse to start Computer Setup (BIOS)	82
Navigating and selecting in Computer Setup	82
Restoring factory settings in Computer Setup	83
Updating the BIOS	83
Determining the BIOS version	83
Downloading a BIOS update	84
Changing the boot order using the f9 prompt	85
TPM BIOS settings (select products only)	85
Using HP Sure Start (select products only)	85
Using HP PC Hardware Diagnostics (UEFI)	86
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	87
Using Remote HP PC Hardware Diagnostics (UEFI) settings (select products only)	87
Customizing Remote HP PC Hardware Diagnostics (UEFI) settings	87
Specifications	89
Input power	89
Operating environment	89
Electrostatic Discharge	90
Accessibility	91
Supported assistive technologies	91
Contacting support	91

Match case Limit results 1 per page

Using HP LAN-WLAN Protection (select products only)

In a LAN environment, you can set HP LAN-WLAN Protection to safeguard your LAN network from

unauthorized wireless access. When HP LAN-WLAN Protection is enabled, the WLAN (Wi-Fi) connection is

turned

oﬀ

when the computer is connected directly to a LAN.

Turning on and customizing HP LAN-WLAN Protection

Connect a network cable to the network jack on the computer, or on an optional docking device or

expansion product.

Start Computer Setup (BIOS).

●

Computers or tablets with keyboards:

▲

Turn on or restart the computer, and when the HP logo appears, press

f10

to enter Computer

Setup.

●

Tablets without keyboards:

▲

Turn on or restart the tablet, and then quickly hold down the volume down button until the

Startup menu is displayed. Tap

f10

to enter Computer Setup.

Select

Advanced

, and then select

Built-in Device Options

Select the check box for

LAN/WLAN Auto Switching

to turn

oﬀ

WLAN connections when connected to a

LAN network.

To save your changes and exit Computer Setup, select the

Save

icon in the lower-right corner of the

screen, and then follow the on-screen instructions.

‒ or –

Select

Main

, select

Save Changes and Exit

, and then press

enter

Your changes go into

eﬀect

when the computer restarts.

Using HP MAC Address Manager to identify your computer on a

network (select products only)

You can enable a system Media Access Control (MAC) address to provide a customizable way of identifying

your computer and its communications on networks. This system MAC address provides unique

identiﬁcation

even when your computer is connected through an external device, such as a docking station or external

wireless adapter. This address is disabled by default.

Turning on and customizing the system MAC address