User manual HP 20-B120EF

[. . . ] The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty 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. [. . . ] For more information or for additional troubleshooting options, see Getting information on page 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. Select the Power icon, and then select 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. Mouse (with cable) does not work or is not detected. Cursor does not move using the arrow keys on the number keypad. cursor does not respond to mouse movement. 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. 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. Press Num Lock on the keyboard to turn off Num Lock, so 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. 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 Power button to turn off the computer. After the shutdown is complete, unplug and reconnect the mouse connector to the back of your computer, and then restart your computer. Keyboard and mouse (general) 13 Keyboard and mouse (wireless) Symptom Wireless keyboard or mouse does not work or is not detected. Possible solution ● Ensure that you are using the wireless keyboard or wireless mouse within range of the receiver, approximately 3 meters (10 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. [. . . ] E-mail support HP Real Time Chat with qualified support specialists Support phone numbers 2. For help online, go to the HP Customer Care Center website at http://www. 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. [. . . ]