Troubleshooting and Maintenance Guide
Copyright and License Understanding hard disk drive space © Copyright 2011 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The hard disk drive on the Hewlett-Packard and Compaq computers with the Microsoft® Windows® operating system preinstalled may appear to be smaller than the size stated in the product specifications, in the documentation, or on the box.
Table of contents 1 Protecting your computer ................................................................................................. 1 Computer security features ........................................................................................................ 1 2 Troubleshooting ................................................................................................................ 2 Computer does not start ............................................................................
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1 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.
2 Troubleshooting Refer to the documentation provided by the product manufacturer for information about peripheralspecific problems, such as issues with a monitor or a printer. The following tables present some issues you might encounter while installing, starting up, or using your computer 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.
Symptom Possible solution Computer seems to be locked up and is not responding. Use the Windows Task Manager to close any programs not responding, or restart the computer: 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 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.
Power Symptom Possible solution Computer does not turn off when the Power button is pressed. Press and hold the Power button until the computer turns off. Check Power Settings. Computer shuts down automatically. ● The computer might be in an exceedingly hot environment. Let it cool down. ● 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.
Symptom Possible solution Mouse (with cable) does not work or is not detected. Unplug and reconnect the mouse cable to your computer. If the mouse is still not detected, turn off the computer, unplug and reconnect the mouse cable, and then restart the computer. Cursor does not move using the arrow keys on the number keypad. Press Num Lock on the keyboard to turn off Num Lock, so that the arrow keys on the number keypad can be used. Cursor does not respond to mouse movement.
Keyboard and mouse (wireless) Symptom Possible solution Wireless keyboard or mouse does not work or is not detected. ● Ensure that you are using the wireless keyboard or wireless mouse within range of the receiver, approximately 10 meters (32 feet) for normal use, and within 30 cm (12 inches) during initial setup or for re-synchronization. ● Ensure that the mouse is not in Suspend mode, which occurs after 20 minutes of inactivity. Click the left mouse button to reactivate it.
Symptom Possible solution No sound is produced. For Windows 7: 1. Click Start, click Control Panel, click Action Center, and then click Troubleshooting. 2. Under Hardware and Sound, click Troubleshoot and audio playback.
Software troubleshooting To repair software problems, try these methods: Updating device drivers ● Turn the computer off completely and then turn it on again. This is the easiest (and sometimes the best) way. ● Update the drivers (see Updating device drivers, following). ● Use Microsoft System Restore Software program and hardware driver reinstallation (see Microsoft System Restore, later in this table). — Restores your computer to a configuration that was in use before the software was installed.
Software program and hardware driver reinstallation If any of your factory-installed software programs or hardware drivers are damaged, you can reinstall it by using the Recovery Manager program (select models only). NOTE: Do not use the Recovery Manager program to reinstall software programs that came on CDs or DVDs included in the computer box. Reinstall these programs directly from the CDs or DVDs. Before you uninstall a program, be sure you have a way to reinstall it.
3 System recovery System Recovery completely erases and reformats the hard disk drive, deleting all data files you have created, and then reinstalls the operating system, programs, and drivers. 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.
If the computer is working and Windows 7 is responding, use these steps to perform a System Recovery. 1. Turn off the computer. 2. Disconnect all peripheral devices from the computer except the monitor, keyboard, and mouse. 3. Turn on the computer. 4. Click Start, click All Programs, click Recovery Manager, and then click Recovery Manager. If prompted, click Yes to allow the program to continue. 5. Under I need help immediately, click System Recovery. 6. Select Yes, and then click Next.
8. Complete the registration process, and wait until you see the desktop. 9. Turn off the computer, reconnect all peripheral devices, and turn the computer back on. System Recovery from recovery media CAUTION: System Recovery deletes all data and programs you created or installed. Back up any important data to a removable disc or USB flash drive. To create recovery media, see Creating recovery media on page 13. To perform a System Recovery using recovery media: 1.
Choosing recovery media ● To create recovery discs, your computer must have a DVD writer, and you must use only highquality 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. ● If you are creating recovery discs, be sure to use high-quality discs to create your set of recovery discs. It is normal for discs to be rejected if they are not defect-free.
5. 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. 6. Follow the on-screen instructions. Be sure to label the USB flash drive and store it in a secure place.
4 Maintenance It is important that you perform simple maintenance of your computer to ensure that it works at peak performance. Schedules and tasks Follow these instructions at the recommended intervals for proper maintenance. Weekly Software cleanup Use Disk Cleanup or safe third-party cleaning tools to remove junk files and temporary files that accumulate and slow down your system. Also, check for programs you no longer need and uninstall them.
Cleaning the computer and monitor Follow these steps to clean the computer and monitor: 1. Unplug the power to the computer and the monitor. 2. To clean the monitor screen, use a clean, dry cloth. Do not use water on the monitor screen. For more thorough cleaning, use a clean cloth and antistatic screen cleaner. 3. Use a clean, dry cloth to dust the computer case and the monitor case.
Follow these steps to clean the touch screen: ENWW 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 cloth to clean the touch screen. 4. Wipe the surface and left and right side of the touch screen to remove any dirt, fingerprints, or other debris that could hinder the touch recognition of the screen.
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