HP computer Troubleshooting And Maintenance Manual
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HP computer Troubleshooting And Maintenance Manual

HP computer Troubleshooting And Maintenance Manual

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Troubleshooting and Maintenance
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  • Page 1 Troubleshooting and Maintenance Guide...
  • Page 2 In decimal notation, one megabyte (MB) is equal to 1,000,000 bytes, and one HP assumes no responsibility for the use or gigabyte (GB) is equal to 1,000,000,000 reliability of its software on equipment that is bytes. In the binary numbering system, one not furnished by HP.

  • Page 3: Table Of Contents

    Recovery media ........................12 4 Maintenance ........................15 Schedules and tasks ....................... 15 Keeping the computer free of dust, dirt, and heat ............... 15 Cleaning the computer and monitor ..................16 Cleaning the computer vents ....................16 Cleaning the keyboard and mouse ................... 16 Cleaning the touch screen (select models only) ................
  • Page 4 ENWW...

  • Page 5: Protecting Your Computer

    Protecting your computer Your computer contains features that help protect the integrity of your system and its data from unauthorized access. Review these features to ensure proper use. Computer security features Computer risk Computer feature Unauthorized use of the computer or...

  • Page 6: Troubleshooting

    Click the Arrow button next to the red Shut Down button, and then click Restart. Or, press and hold the Power button on the computer for 5 or more seconds to turn off the computer, and then press the Power button to restart the computer.
  • Page 7 Click the Arrow button next to the red Shut Down button, and then click Restart. Or, press and hold the Power button on the computer for 5 or more seconds to turn off the computer, and then press the Power button to restart the computer.

  • Page 8: Power

    ● down automatically. Ensure that computer air vents are not blocked and that the internal fan is running — see Keeping the computer ● free of dust, dirt, and heat on page 15. (Your computer might not have an internal fan.)
  • Page 9 Mouse (with cable) does Unplug and reconnect the mouse cable to your computer. not work or is not If the mouse is still not detected, turn off the computer, unplug and reconnect the mouse cable, and then restart detected. the computer.

  • Page 10: Keyboard And Mouse (Wireless)

    Symptom Possible solution Volume is very low or Ensure that you connected the speakers to the Audio Out (lime green) connector on the back of the computer. unsatisfactory. (Additional audio connectors are used for multiple-channel speakers.) Detached non-powered speakers (speakers without a separate power source, such as batteries or a power cord) do not produce satisfactory sound.

  • Page 11: Internet Access

    Audio Line Out connector if you want to hear sound during the initial setup of the computer. Refer to the Quick Setup booklet to connect analog speakers.

  • Page 12: Software Troubleshooting

    Microsoft System If you have a problem that might be due to software that was installed on your computer, use System Restore to Restore return the computer to a previous restore point. You can also set restore points manually.
  • Page 13 Choose the program you want to install, click Next, and follow the on-screen instructions. When you have finished reinstalling, restart the computer. Do not skip this last step. You must restart the computer after recovering software programs or hardware drivers.

  • Page 14: System Recovery

    However, you must reinstall any software that was not installed on the computer at the factory. This includes software that came on media included in the computer accessory box, and any software programs you installed after purchase.
  • Page 15 NOTE: If your system does not detect a recovery partition, it prompts you to insert recovery media. Insert the disc or USB flash drive, select Yes, and then click Next to restart the computer and run Recovery Manager from the recovery disc or USB flash drive. If using discs, insert the next system-recovery disc when prompted.

  • Page 16: Recovery Media

    USB flash drive, insert it into a USB port. If the computer works, click Start, click the Arrow button next to Shut Down, and then click Shut Down. Or, if the computer is not responding, press and hold the Power button for approximately 5 seconds, or until the computer turns off.

  • Page 17: Creating Recovery Media

    Choosing recovery media To create recovery discs, your computer must have a DVD writer, and you must use only high- ● quality blank DVD+R or DVD-R discs. NOTE: You cannot use CDs or DVD+RW, DVD-RW, DVD+RW DL, DVD-RW DL, DVD+R DL, or DVD-R DL discs to create recovery discs.
  • Page 18 Select the USB flash drive from the list of media. The program lets you know how much storage is required to create the recovery drive. If the USB flash drive does not have enough storage capacity (8 GB is the minimum), it is grayed out on the screen. Click Next. NOTE: Recovery Media Creation formats the flash drive and deletes all on files on it.

  • Page 19: Maintenance

    Keeping the computer free of dust, dirt, and heat Keeping your computer system free of dust, dirt, and heat will prolong its life. Dust, pet hair, and other particles can build up, creating a blanket effect; as a result, components can overheat, or, in the case of the keyboard and mouse, not work smoothly and effectively.

  • Page 20: Cleaning The Computer And Monitor

    For more thorough cleaning, use a clean cloth and antistatic screen cleaner. Use a clean, dry cloth to dust the computer case and the monitor case. NOTE: To remove sticker residue or a spill on the computer or monitor case, use isopropyl (rubbing) alcohol and a lint-free cloth.
  • Page 21 Follow these steps to clean the touch screen: Turn off the computer. Tap the Start button, and then tap Shut Down. Disconnect the power cord from the wall. Spray a small amount of mild glass cleaner on a soft cloth to clean the touch screen.
  • Page 22 The power to make a change How you can help What we do Recycle your old computer. We design with the environment in mind. Don't use a screen saver. We design to be more energy efficient. Don't disable the power settings.

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