HP Pavilion 21-a000 Troubleshooting & Maintenance Guide

HP Pavilion 21-a000 Manual

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  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 1
    Troubleshooting and Maintenance Guide
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 2
    . HP supports lawful One of the partitions contains the System Recovery information. Note about systems configured with 4 GB of memory For computers with a 32-bit operating system, all memory above 3 GB may not be available because of system resource requirements. This limitation is not limited to HP
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 3
    Table of contents 1 Protecting your computer 1 Computer security features ...1 2 Troubleshooting ...2 Computer does not start ...2 Power ...4 Display (monitor) ...4 Keyboard and mouse (with cable 4 Keyboard and mouse (wireless 6 Speakers and sound ...6 Internet access ...7 Software
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 4
    iv ENWW
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 5
    Review these features to ensure proper use. Computer security features Computer risk Computer feature Unauthorized use of the computer service. Unauthorized access to data and ongoing threats to the computer Firewall software ● Windows 7 includes firewall software preinstalled on the computer
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 6
    and possible solutions. For more information or for additional troubleshooting options, see the Quick Setup Guide that accompanies your computer, or visit http://www.hp.com/support and search for your computer model. Computer does not start Symptom Possible solution Error message: Hard disk
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 7
    . 2. Click Start Task Manager. 3. Select the program that is not responding, and then click End Task. If closing programs does not work, restart the computer: 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 2. Click the Arrow button next to the red Shut Down button, and then click
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 8
    Keyboard and mouse (with cable) Symptom Possible solution Keyboard commands and typing are not recognized by the computer. Use the mouse to turn off the computer, unplug and reconnect the keyboard to the back of your computer, and then restart your computer. 4 Chapter 2 Troubleshooting ENWW
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 9
    that the arrow keys on the number keypad can be used. Use the keyboard to save changes in all open programs, and then restart your computer: 1. Press the Alt+Tab keys simultaneously to navigate to an open program. 2. Press Ctrl+S simultaneously to save your changes in the selected program (Ctrl+S is
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 10
    interference from other devices. 1. Unplug the receiver from a USB connector on the computer, and then reconnect it. Your computer model might have a connector dedicated to the receiver. If you have a choice, the non-powered speakers with powered speakers. 6 Chapter 2 Troubleshooting ENWW
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 11
    click Action Center, and then click Troubleshooting. 2. Under Network and Internet, instructions. If your system has an external antenna, try to move the antenna to a better position. If the antenna is internal, try to move the computer. Try to connect again later, or contact your Internet service
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    of the driver if the new one does not solve your problem: 1. Click Start. 2. Type instructions. If you have a problem that might be due to software that was installed on your computer, use System Restore to return the computer to a previous restore point. You can also set restore points manually
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    and follow the on-screen instructions. 4. When you have finished reinstalling, restart the computer. Do not skip this last step. You must restart the computer after recovering software programs or Select the program you want to remove, and then click Uninstall. ENWW Software troubleshooting 9
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    that came on media included in the computer accessory box, and any software programs you installed after purchase. NOTE: Always use the System Restore procedure before you use the System Recovery program - see Microsoft System Restore under Software troubleshooting on page 8. Some features might not
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 15
    . After System Recovery is complete, click Finish to restart the computer. 9. Complete the registration process, and wait until you see the desktop. 10. Turn off the computer, reconnect all peripheral devices, and turn the computer back on. System Recovery at system startup CAUTION: System Recovery
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 16
    wait until you see the desktop. 9. Turn off the computer, reconnect all peripheral devices, and turn the computer back on. System Recovery from on your computer at the factory. You can create only one set of recovery media for your computer, and the media can be used only with this computer. Store
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 17
    . ● The number of discs in the recovery-disc set depends on your computer model (typically 1-3 DVD discs). The Recovery Disc Creator program will tell you using blank DVD(s), and then click Next. 4. Follow the on-screen instructions. Label each disc as you make it (for example, Recovery 1, Recovery
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 18
    out on the screen. Click Next. NOTE: Recovery Media Creation formats the flash drive and deletes all on files on it. 6. Follow the on-screen instructions. Be sure to label the USB flash drive and store it in a secure place. NOTE: Do not use media cards for creating recovery media. The
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 19
    Backing up your data Use CD or DVD recording software that is installed on your computer to create (or "burn") backup discs of important information, including personal files, e- once every three months. Visit www.hp.com/support for additional cleaning instructions. ENWW Schedules and tasks 15
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 20
    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. Cleaning the computer vents Air vents keep the computer cool. Keep these vents clean by using a small, battery-powered vacuum cleaner. (A battery
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 21
    Follow these steps to clean the touch screen: 1. Turn off the computer. Tap the Start button, and then tap Shut Down. 2. Disconnect the power cord from the wall. 3. Spray a small amount of mild glass cleaner on a soft
  • HP Pavilion 21-a000 | Troubleshooting & Maintenance Guide - Page 22
    UPNBLFBDIBOHF How you can help What we do Recycle your old computer. We design with the environment in mind. %JTQPTJOHPGFMFDUSPOJDXBTUFSFTQPOTJCMZIBT DBOCFFBTJMZ ZPVOPMPOHFSOFFE HPUP EJTNBOUMFEBOESFDZDMFEBTNVDIBTQPTTJCMF5IF XXXIQDPNHPSFDZDMFUPpOEPVUJG)1  
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Troubleshooting and Maintenance
Guide