HP ZBook 15 G4 Mobile Workstation (ENERGY STAR) Manuel d'utilisateur Page 61
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When a rewall is installed on a system, all data sent to and from the system is monitored and compared with
a set of user-dened security criteria. Any data that does not meet those criteria is blocked.
Your computer or networking equipment may already have a rewall installed. If not, rewall software
solutions are available.
NOTE: Under some circumstances a rewall can block access to Internet games, interfere with printer or le
sharing on a network, or block authorized e-mail attachments. To temporarily resolve the problem, disable
the rewall, perform the task that you want to perform, and then reenable the rewall. To permanently
resolve the problem, recongure the rewall.
Installing software updates
HP, Windows, and third-party software installed on your computer should be regularly updated to correct
security problems and improve software performance.
IMPORTANT: Microsoft sends out alerts regarding Windows updates, which may include security updates.
To protect the computer from security breaches and computer viruses, install all updates from Microsoft as
soon as you receive an alert.
You can install these updates automatically.
To view or change the settings:
1. Select the Start button, select Settings, and then select Update & Security.
2. Select Windows Update, and then follow the on-screen instructions.
3. To schedule a time for installing updates, select Advanced Options, and then follow the on-screen
instructions.
Using HP Client Security (select products only)
HP Client Security software is preinstalled on your computer. This software can be accessed through the HP
Client Security icon at the far right of the taskbar or Windows Control Panel. It provides security features that
help protect against unauthorized access to the computer, networks, and critical data. For more information,
see the HP Client Security software Help.
Using HP Touchpoint Manager (select products only)
HP Touchpoint Manager is a cloud-based IT solution that enables businesses to eectively manage and
secure their company assets. HP Touchpoint Manager helps protect devices against malware and other
attacks, monitors device health, and enables customers to reduce time spent solving end-user device and
security issues. Customers can quickly download and install the software, which is highly cost eective
relative to traditional in-house solutions. For more information, see http://www.hptouchpointmanager.com.
Using an optional security cable (select products only)
A security cable (purchased separately) is designed to act as a deterrent, but it may not prevent the computer
from being mishandled or stolen. To connect a security cable to your computer, follow the device
manufacturer's instructions.
Installing software updates 49
- User Guide 1
- Safety warning notice 3
- Table of contents 7
- 1 Welcome 13
- Finding information 14
- 2 Components 15
- 4 Chapter 2 Components 16
- 6 Chapter 2 Components 18
- Display 7 19
- Keyboard area 20
- Keyboard area 9 21
- Buttons and ngerprint reader 22
- Keyboard area 11 23
- Special keys 24
- Action keys 25
- 14 Chapter 2 Components 26
- Front 15 27
- 3 Network connections 29
- Connecting to a WLAN 30
- Connecting Bluetooth devices 31
- Connecting to a wired network 32
- 4 Screen navigation 35
- Two-nger pinch zoom 36
- Two-nger 36
- scroll (TouchPad only) 36
- Two-nger tap (TouchPad only) 36
- 5 Entertainment features 39
- Using video 40
- Setting up HDMI audio 43
- 6 Managing power 46
- Running on battery power 48
- Displaying battery charge 49
- Conserving battery power 49
- Running on external power 50
- 7 Security 52
- Setting passwords in Windows 53
- Selecting manual DriveLock 57
- Disabling DriveLock 59
- Entering a DriveLock password 59
- Using antivirus software 60
- Using rewall software 60
- Installing software updates 61
- 8 Maintenance 63
- Updating programs and drivers 64
- Cleaning your computer 64
- Cleaning the display 65
- Cleaning the sides or cover 65
- Using Windows tools 68
- Restore and recovery 69
- Using Computer Setup 73
- Updating the BIOS 74
- Downloading a BIOS update 75
- 12 Specications 79
- 13 Electrostatic Discharge 80
- 14 Accessibility 81
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