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HP ProBook 4545s HP Notebook User Guide - Linux

HP ProBook 4545s Manual

HP ProBook 4545s manual table of contents:

  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 1
    HP Notebook User Guide
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 2
    ... to change without notice. The only warranties for HP products and services are set forth in the express warranty statements... To obtain the latest information in this guide, go to the HP Web site at http://www.hp.com/support. Software terms By installing, copying, downloading, or otherwise using any...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 3
    Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining...
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    iv Safety warning notice
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 5
    ... the bottom parts of the computer ...17 3 Networking ...19 Using an Internet service provider (ISP) ...19 Identifying wireless and network status icons ...19 ......21 Protecting your WLAN ...21 Roaming to another network ...22 Using Bluetooth wireless devices (select models only) ...22 Connecting to a ...
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    ......37 Changing the current power management settings ...37 Using battery power ...37 Displaying the remaining battery charge ...37 Inserting or removing the battery ...37 Charging a battery ...39 Maximizing battery life ...40 Managing low battery levels ...40 Identifying low battery levels ...40 vi
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 7
    ... battery level ...41 Resolving a low battery level when external power is available ...41 Resolving a... power source is available ...41 Resolving a low battery level when the computer cannot exit Hibernation ...battery ...41 Disposing of a used battery ...42 Replacing the battery ...42 Using external AC ...
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    9 Memory modules ...57 10 Security ...60 Protecting the computer ...60 Using passwords ...60 Setting passwords in the operating system ...61 Setting passwords in Computer Setup ...61 Managing a BIOS administrator password ...62 Entering a BIOS administrator password ...62 Using a Computer Setup ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 9
    ...MultiBoot Express preferences ...76 Appendix A Troubleshooting and support ...77 Troubleshooting ...77 The computer is unable to start up ...77 The computer screen is blank ...... Cleaning the TouchPad and keyboard ...84 Appendix C Specifications ...85 Input power ...85 Operating environment...
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    x
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 11
    ...be provided with the software or on the manufacturer's Web site. ● Update programs and drivers-Update your programs and drivers with the ... automatic notifications for operating system updates are available for 90 days. You can also go to http://www.hp.com/support to download updates from HP. ● ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 12
    .... HP Web site To access this Web site, go to http://www.hp.com/ support Limited Warranty* To access the warranty: Double-click the ... and finding additional help Software, driver, and BIOS updates Accessories available for the device HP support telephone numbers Setting up the computer Identifying ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 13
    2 Top Getting to know your computer TouchPad NOTE: Your computer may look slightly different from the illustration in this section. Component (1) (2) (3) (4) TouchPad on/off button TouchPad zone Left TouchPad button Right TouchPad button Description Turns the TouchPad on and off. Moves the ...
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    Lights NOTE: Refer to the illustration that most closely matches your computer. Component (1) Power light Description On: The computer is on. Blinking: The computer is in the Suspend state. Off: The computer is off or in Hibernation. (2) (3) Caps lock light Web browser light On: Caps lock is ...
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    Component (1) Power light Description On: The computer is on. Blinking: The computer is in the Suspend state. Off: The computer is off or in Hibernation. (2) (3) Caps lock light Web browser light On: Caps lock is on. ● ● On: The computer is on. Off: The computer is off, in the Suspend ...
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    Buttons speakers, and fingerprint reader (select models only) NOTE: Refer to the illustration that most closely matches your computer. Component (1) Power button Description When the computer is off, press the button to turn on the computer. When the computer is on, press the button briefly to ...
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    Component (4) Wireless button Description Turns the wireless feature on or off but does not establish a wireless connection. NOTE: A wireless connection may be established if one has been previously configured. (5) Fingerprint reader (select models only) Allows a fingerprint logon to the ...
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    Component (1) Power button Description When the computer is off, press the button to turn on the computer. When the computer is on, press the button briefly to initiate Suspend. When the computer is in the Suspend state, press the button briefly to exit Suspend. When the computer is in ...
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    Keys NOTE: Refer to the illustration that most closely matches your computer. Component (1) (2) fn key Operating system logo key Description Executes frequently used system functions when pressed in combination with a function key. Displays the operating system menu. (3) Function keys Execute ...
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    Component (1) (2) fn key Operating system logo key Description Executes frequently used system functions when pressed in combination with a function key. Displays the operating system menu. (3) Function keys Execute frequently used system functions when pressed in combination with the fn key. ...
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    ...Description ● ● Blinking white: The hard drive or optical drive is being accessed. Amber: HP 3D DriveGuard has temporarily parked the hard drive. (2) Media Card Reader Supports the following digital card formats Memory Stick PRO Memory Stick PRO Duo (...
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    Right Component (1) (2) USB 2.0 port Optical drive (select models only) Description Connect an optional USB device. Reads an optical disc. NOTE: On select models, the optical drive also writes to an optical disc. (3) (4) Optical drive light (select models only) Optical drive eject button (...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 23
    ... an AC adapter. ● Amber: The computer is connected to external power and the battery is charged from 0 to 90 percent. White: The computer is connected to ... level, the battery light begins blinking rapidly. Off: The battery is fully charged. ● ● ● (4) Vent Enables airflow to cool internal ...
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    Display NOTE: Refer to the illustration that most closely matches your computer. Component (1) (2) (3) (4) (5) WLAN antennas (2)* Internal microphone(s} (1 or 2 depending on model) Webcam light (select models only) Webcam (select models only) Internal display switch Description Send and receive ...
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    Component (1) (2) (3) (4) (5) WLAN antennas (2)* Internal microphone(s) (1 or 2 depending on model) Webcam light (select models only) Webcam (select models only) Internal display switch Description Send and receive wireless signals to communicate with wireless local area networks (WLAN). Record ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 26
    ... may look slightly different from the illustration in this section. Component (1) Battery and service door release latches Description ● ● Releases the .... When the battery has been removed from the battery bay, releases the service door from the computer by sliding the release latches a second ...
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    Component (3) Service door Description Protects the hard drive bay, the wireless LAN (WLAN)...computer functionality, and then contact technical support through Linux Help. (4) Vents (2) Enable .... Identifying the bottom parts of the computer NOTE: The service door has been removed in the following ...
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    Component (2) Description Hard drive (3) WLAN module slot (select models only) 18 Chapter 2 Getting to know your computer
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    3 Networking Your computer may support one or both of the following types of Internet access: ... wireless computer to the modem, and test the Internet service. NOTE: Your ISP will give you a ... turn both the wireless network controller and the Bluetooth controller off or on simultaneously. They can be ...
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    NOTE: Refer to Getting to know your computer on page 3 for information on identifying the type and location of the wireless button on your computer. Using the operating system controls To enable or disable a wireless or wired network device: 1. 2. Right-click the Network Connection icon in the ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 31
    ... modem (either DSL or cable) (1) and high-speed Internet service purchased from an Internet service provider (ISP) A wireless router (purchased separately) (2) The... use a combination of both types. Wireless encryption-Your computer supports three encryption protocols Wi-Fi Protected Access (WPA) Wi-...
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    NOTE: HP recommends that you select WPA2, which is the most advanced of the three encryption ...used initially to connect to your WLAN. Using Bluetooth wireless devices (select models only... Computers Phones Audio devices The strength of Bluetooth is in synchronizing information transfers between your...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 33
    To connect the network cable: 1. 2. Plug the network cable into the network jack (1) on the computer. Plug the other end of the cable into a network wall jack (2) or a router (not illustrated). WARNING! To reduce the risk of electric shock, fire, or damage to the equipment, do not plug a modem or ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 34
    ... by displaying the operating system Log On window. While the Log On window is displayed, the computer cannot .... For instructions, refer to Help. fn+f6 Displays charge information for all installed batteries... reports the amount of charge remaining in each battery. Mutes or restores speaker sound. fn...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 35
    ...of a DVD or a BD. Using keypads The computer includes either an embedded numeric keypad or an integrated numeric keypad. The computer also supports an optional external numeric keypad or an optional external keyboard that includes a numeric keypad. Using the embedded numeric keypad (select models ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 36
    Switching key functions on the embedded numeric keypad You can temporarily alternate the functions of keys on the embedded numeric keypad between their standard keyboard functions and their keypad functions: ● ● To use the navigational function of a keypad key while the keypad is off, press and...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 37
    ... like the corresponding buttons on an external mouse. Using TouchPad gestures The TouchPad supports a variety of gestures. To use TouchPad gestures, place two fingers on the TouchPad at the same time. NOTE: TouchPad gestures are not supported in all programs. Using the TouchPad 27
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 38
    To view information about each gesture: 1. 2. 3. 4. Select Computer > More Applications. In the left pane, click System, and then click the TouchPad icon On the Device Settings tab, click the device, and then click Settings. Select the gesture to view information about its features. in the right ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 39
    Scrolling Scrolling is useful for moving up, down, or sideways on a page or image. To scroll, place two fingers slightly apart on the TouchPad, and then drag them across the TouchPad in an up, down, left, or right motion. NOTE: Scrolling speed is controlled by finger speed. NOTE: Two-finger ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 40
    5 Multimedia Your computer includes the following Integrated speakers Integrated microphones Integrated webcam (select models only) Preinstalled multimedia software Multimedia buttons or keys Using the audio features Your computer enables you to use a variety of audio features Play music. ...
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    Checking your audio functions To check the system sound on your computer, follow these steps: 1. 2. 3. Select Computer > Control Center. In the left pane, click Hardware, and then click Sound in the right pane. Click the Sound Effects tab, and then select one of the sound options under Choose an ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 42
    ..., follow these steps: NOTE: If you have an AMD card, follow the instructions in the next section. 1. 2. 3. 4. Click the Gnome Display Applet icon in the notification area, at ... and the refresh rate using your external monitor specifications. Change the rotation if desired. If the display ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 43
    5. 6. Your display settings can be modified by clicking your monitor in the dialog box, and then selecting the Display properties tab or Multi-Display tab. After the settings are configured, click Apply, and then click OK. Your computer may require rebooting. Using video devices 33
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 44
    ... cable to the HDMI port on the computer. 2. Connect the other end of the cable to the device, and then see the device manufacturer's instructions for additional information. Configuring audio for HDMI To configure HDMI audio, first connect an audio or video device, such as a high-definition TV, ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 45
    ...down the computer under any of the following conditions When you need to replace the battery or access components inside the computer When you are connecting an external .... Disconnect the computer from external power, and then remove the battery. Setting power options Using power-saving states The ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 46
    ... the factory to initiate Suspend after a period of inactivity when running on battery power or on external power. Power settings and timeouts can be.... Close the display. NOTE: This works only when the computer is running on battery power. ● ● Select Computer > Shutdown > Suspend. Click the Power ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 47
    ...AC power. If the computer contains a charged battery and is running on external AC power ... issues, use only the battery provided with the computer, a replacement battery provided by HP, or a compatible ... purchased from HP. Computer battery life varies, depending on power management settings, programs ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 48
    ... computer, and then press the battery (2) down until it is seated. The battery release latches automatically ... or shut down the computer before removing the battery. 1. Slide the battery release latches (1) to release .... NOTE: You can slide the battery release latches simultaneously or you can slide ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 49
    ... battery upward (2), and remove it (3) from the computer. Charging a battery WARNING! Do not charge the computer ...these recommendations: ● If you are charging a new battery, charge it fully before turning on the computer.... normal use before charging it. If the battery has been unused for one month ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 50
    ...click System, and then click Power Management in the right pane. On the On Battery Power tab 4. 5. 6. Adjust the slider to the right of Put computer to.... Select the Hibernate or Shutdown option from the dialog box to the right of When battery power is critically low. Adjust the slider to the right ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 51
    ... AC adapter Optional docking or expansion device Optional power adapter purchased as an accessory from HP Resolving a low battery level when a charged battery is ... from external power for more than 2 weeks, remove the battery and store it separately. To prolong the charge of a ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 52
    ...To ensure that you always have battery power when you need it, HP recommends purchasing a new ... provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. Connect the computer to external AC power under any of the following conditions: WARNING! ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 53
    To test the AC adapter: 1. 2. 3. 4. Shut down the computer. Remove the battery from the computer. Connect the AC adapter to the computer, and then plug ... adapter is not functioning and should be replaced. Contact technical support for information on obtaining a replacement AC power adapter. Using ...
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    ...the computer while an optical drive is writing to a disc. The write process is sensitive to vibration. When the battery is the only source of power, be sure that the battery is sufficiently...of the computer. When not in use the security screw can be stored inside the battery bay. 44 Chapter 7 Drives
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 55
    ... and initiate Hibernation or shut down the computer through the operating system before removing the battery. 2. Remove the security screw from inside the battery bay (1) and insert it (2) to lock the service door in place. Removing or replacing the service ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 56
    To remove the service door: 1. 2. 3. Remove the battery (see Inserting or removing the battery on page 37). With the battery bay toward you, remove the security ... in to close it (2). NOTE: The release latches automatically lock the service door into place (3). 46 Chapter 7 Drives
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 57
    ...see Using the optional security screw on page 44). 3. 4. 5. Replace the battery (see Inserting or removing... on a flat surface with the front of the computer toward you. Remove the battery (see Inserting or removing the battery on page 37). Remove the security screw, if using (see Using the optional...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 58
    8. Remove the service door (see Removing or replacing the service door on page 45). NOTE: Instructions for removing the hard drive are imprinted on the service door. 9. Remove the four hard drive screws (1) from the hard drive. 10. Pull the plastic tab on the hard ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 59
    ... connector. Replace the four hard drive screws (2). 4. 5. 6. 7. 8. Replace the service door (see Removing or replacing the ...(see Using the optional security screw on page 44. Replace the battery (see Inserting or removing the battery on page 37). Turn the computer right-side up, and then reconnect ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 60
    Using optical drives (select models only) Identifying the installed optical drive ▲ Select Computer > More Applications, and then select Audio & Video in the left pane. A list of all the devices installed in your computer, including your optical drive, is displayed. Inserting an optical disc ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 61
    2. Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces. NOTE: If the tray is not fully accessible, tilt the disc carefully as you remove it. 3. Close the disc tray and ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 62
    3. Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces. NOTE: If the tray is not fully accessible, tilt the disc carefully as you remove it. 4. Close the disc tray and ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 63
    ... data sharing. These cards are often used with digital cameras and PDAs as well as with other computers. To determine which digital card formats that are supported on your computer, refer to Getting to know your computer on page 3. Inserting a digital card CAUTION: To reduce the risk of damage to ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 64
    ... with the device. For more information about device-specific software, refer to the manufacturer's instructions. The computer has at least 1 USB port that supports USB 1.0, 1.1, 2.0, or 3.0 devices. Your computer may also have a USB ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 65
    ...device. Using optional external devices NOTE: For more information about required software and drivers, or to learn which computer port to use, refer to the manufacturer's instructions. To connect an external device to the computer: Using optional external devices 55
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    CAUTION: To reduce the risk of damage to the equipment when connecting a powered device, be sure that the device is turned off and the AC power cord is unplugged. 1. 2. 3. Connect the device to the computer. If you are connecting a powered device, plug the device power cord into a grounded AC ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 67
    ..., unplug the power cord and remove all batteries before installing a memory module. CAUTION: ... to the computer. Turn the computer upside down on a flat surface. Remove the battery (see Inserting or removing the battery on page 37). Remove the security screw, if using (see Using the optional security ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 68
    b. Grasp the edge of the memory module (2), and gently pull the module out of the memory module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module. To protect a memory module after removal, place it in ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 69
    ... module, until the retention clips snap into place. 9. Replace the service door (see Removing or replacing the ... (see Using the optional security screw on page 44. 11. Replace the battery (see Inserting or removing the battery on page 37). 12. Turn the computer right-side up, and then reconnect AC ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 70
    10 Security Protecting the computer NOTE: Security solutions are designed to act as deterrents, but they may not deter software attacks or prevent the computer from being mishandled or stolen. Security features provided with your computer can protect the computer, personal information, and data ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 71
    ... the computer contents when the computer turns on, restarts, or exits Hibernation. This password requires the optional embedded security chip to support this security feature. *For details about each of these passwords, refer to the following topics. DriveLock user password* TPM embedded security ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 72
    Managing a BIOS administrator password To set, change, or delete this password, follow these steps: 1. Open Computer Setup by turning on or restarting the computer. While the "Press the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press esc. When the ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 73
    ... select Security > DriveLock Password, and then follow the on-screen instructions. To confirm DriveLock protection on the drive you have selected, type... Security > Automatic DriveLock, and then follow the on-screen instructions. Using firewall software Firewalls are designed to prevent unauthorized ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 74
    ... network, or block authorized e-mail attachments. To temporarily resolve the problem, disable the firewall, perform the task that you want to perform, and then reenable the firewall. To permanently resolve the problem, reconfigure the firewall. 1. To view or modify the firewall settings, select ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 75
    3. Insert the cable lock into the security cable slot on the computer (3), and then lock the cable lock with the key. 4. Remove the key and keep it in a safe place. Using the fingerprint reader (select models only) An integrated fingerprint reader is available on select computer models. In ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 76
    5. 6. Click the Plug-Ins tab, click Set the user's fingerprint, and then click Launch. Follow the on-screen instructions to enroll your fingerprint. NOTE: After your fingerprint is enrolled, you can swipe your finger on the fingerprint reader when you turn on the computer, unlock the computer, or ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 77
    ...are permanently removed. The recovery tool reinstalls the original operating system and HP programs and drivers that were installed at the factory. Software, drivers, and updates not installed by HP must be manually reinstalled. Personal files must be restored from...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 78
    Backing up your information You should back up your computer files on a regular schedule to maintain a current backup. You can manually back up your information to an optional external drive, a network drive, or discs. Back up your system at the following times At regularly scheduled times Before ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 79
    ...a USB port can be used with Computer Setup only if USB legacy support is enabled. To start Computer Setup, follow these steps: 1. 2. Turn on ...to the main Computer Setup screen, press esc, and then follow the on-screen instructions. NOTE: You can use either a pointing device (TouchPad, pointing stick...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 80
    ... BIOS Updated versions of the BIOS may be available on the HP Web site. Most BIOS updates on the HP Web site are packaged in compressed files called SoftPaqs. Some download packages ... contains information regarding installing and troubleshooting the file. Determining the BIOS version To determine ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 81
    ... device, cable, or cord. 1. Open your Web browser, go to http://www.hp.com/support, and select your country or region. Access the page on the HP Web site that provides software for your computer. Follow the onscreen instructions to identify your computer and access ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 82
    ... the condition of the battery and calibrates the battery if necessary. If the battery fails the test, contact HP Customer Service to report the issue and purchase a replacement battery. System Tune-Up-This group of additional tests checks your ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 83
    ...: Some of the boot devices and drive bay locations listed may not be supported on your computer Notebook upgrade bay Optical drive Notebook hard drive USB diskette drive USB CD-ROM USB hard drive Notebook Ethernet Secure Digital (SD) Memory Card Docking station upgrade ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 84
    ... > Device Configurations. Confirm USB legacy support is selected. NOTE: The USB Port option must be enabled in order to use USB legacy support. It is enabled at the factory. If the port becomes ...corner of the screen, and then follow the on-screen instructions. - or - Use the arrow keys to select File...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 85
    ...key. 5. To save your changes and exit Computer Setup, click the Save icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the arrow keys to select File > Save Changes and Exit, and then press enter. Your changes go into effect when the computer restarts...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 86
    ...not displayed.) To save your changes and exit Computer Setup, click the Save icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the arrow keys to select File > Save Changes and Exit, and then press enter. Your changes go into effect when the computer ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 87
    ... and support Troubleshooting The following sections describe several common issues and solutions....AC adapter provided with the computer or one approved by HP for this computer. ● If the computer is plugged into... in use, or when the computer has reached a low battery level. To change these and other...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 88
    ..., especially if it is older, is compatible with the operating system. Be sure that the correct drivers are installed and updated. The wireless network connection is not working If... and then reconnect all cables, and turn the power off and then back on. 78 Appendix A Troubleshooting and support
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 89
    ... down on the spindle while lifting the outer edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces. NOTE: If the tray is not fully accessible, tilt the disc carefully as you remove it. 4. Close the disc tray and place the disc in a protective case. Troubleshooting 79
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 90
    ... your operating system does not detect an installed device, the device driver software may be missing or corrupted. 1. 2. 3. 4. Remove any discs from ... either of the following ways: ◦ Playback may resume. - or - ◦ The playback window in the multimedia program may close. To return to playing the ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 91
    ... questions, you can contact support. For U.S. support, go to http://www.hp.com/go/contactHP. For worldwide ... Here you can: ● Chat online with an HP technician. NOTE: When support chat is not available ...available in English E-mail support. Find support telephone numbers. Locate an HP service center....
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 92
    ... information you may need when you troubleshoot system problems or travel internationally with the computer: ● Service label-Provides important information, ... traveling internationally. Wireless certification labels are affixed inside the service door. 82 Appendix A Troubleshooting and support
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 93
    B Cleaning your computer Cleaning products Use the following products to safely clean and disinfect your computer Dimethyl benzyl ammonium chloride 0.3 percent maximum concentration (For example: germicidal disposable wipes. These wipes come in a variety of brand names.) Alcohol-free glass ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 94
    Cleaning the TouchPad and keyboard CAUTION: When cleaning the TouchPad and keyboard, do not let liquids drip between the keys. This can permanently damage internal components. ● To clean and disinfect the TouchPad and keyboard, use a soft microfiber cloth or chamois moistened with one of the ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 95
    C Specifications Input power The power information in this section may be helpful if you plan to travel ... or a DC power source supplied and approved by HP for use with this computer. The computer can operate on DC power within the following specifications. Input Power Operating voltage and current ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 96
    ... of information, observe these precautions If removal or installation instructions direct you to unplug the computer, unplug it after being ... information about static electricity or assistance with component removal or installation, contact Customer Service. 86 Appendix D Electrostatic discharge
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 97
    ...37 storing 41 temperature 41 battery and service door release latch 16 ... entering 62 managing 62 Bluetooth device 22 Bluetooth label 82 boot ... 4, 5 changing boot order 75 charging batteries 39 checking audio functions 31... corporate WLAN connection 20 critical battery level 40 D display image, switching...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 98
    ... system applications 9, 10 operating system logo key 9, 10 volume 30 L labels Bluetooth 82 regulatory 82 serial number 82 wireless certification 82 WLAN 82 latches, battery and service door release 16 legacy support, USB 69 lights caps lock 4, 5 hard drive 11 ...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 99
    ...44 security, wireless 21 serial number, computer 82 service door removing 45 ...security cable 13 speakers identifying 6, 8 storing battery 41 Suspend exiting 36 initiating ... USB hubs 54 USB legacy support 69 USB ports, identifying 12... tray-load optical drive 50 troubleshooting disc burning 81 disc play...
  • HP ProBook 4545s | HP Notebook User Guide - Linux - Page 100



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HP ProBook 4545s Manual