User manual HP PAVILION 23-B117EF

[. . . ] The information contained herein is subject to change without notice. The only warranties for Hewlett-Packard products and services are set forth in the express statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. [. . . ] CAUTION: Do not spray or place the cleaner directly on the screen; spray the cleaner into the cloth, and then wipe the sides and surface of the touch screen. Do not use an abrasive cleaner or cloth when cleaning the sides or the surface of the screen, because this could cause damage to the touch screen. 8 Chapter 4 Maintaining your computer 5 Troubleshooting Refer to the documentation provided by the product manufacturer for information about peripheral-specific 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 Getting information on page 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 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. Contact Support, whether it was possible or not to start up Windows. Either the hard disk drive or the system board may need to be replaced. Ensure that the cables connecting the computer to the external power source are plugged in properly. When the cables connecting the computer to the external power source are plugged in properly, and the wall outlet is functioning, the green power supply light on the back of the computer should be on; if it is not, contact Support. Possible solution Use the mouse to turn off the computer, unplug and reconnect the keyboard to the back of your computer, and then restart your computer. Cursor does not move using the arrow keys on the number keypad. cursor does not respond to mouse movement. 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. Press Ctrl+S simultaneously to save your changes in the selected program (Ctrl+S is the keyboard shortcut for Save on most—not all—programs). Repeat step 1 and step 2 to save changes in all open programs. After saving changes in all open programs, press the Ctrl+Esc keys on the keyboard simultaneously to display the Windows Start menu. Use the arrow keys to select the Arrow button that is next to Shut Down. select Shut Down , and then press Enter. [. . . ] click Start , All Programs , PC Help & Tools , and then click Hardware Diagnostic Tools. For help online, go to the HP Customer Care Center website at http://www. 18 Chapter 6 Support information Phone assistance to get you up and running is covered for thirty (30) days from the time you purchased your computer. After thirty (30) days, there may be a charge, but the helpful support is still available. [. . . ]