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Failing to reboot may compromise the system’s stability and require reinstallation of the operating system. Page 18 Coby Electronics Corporation External Devices External Devices Your computer includes multiple connection ports for maximum performance and productivity. Do not connect or disconnect any external device cables other than USB cables while the computer power is on. To avoid possible damage to attached devices, wait at least five seconds after the computer is shut down to disconnect external devices. Connecting a Universal Serial Bus (USB) Device Your computer comes with three Universal Serial Bus Ports compatible with USB 2.0 or USB 1.1 devices such as a keyboard, mouse, camera, hard disk drive, printer, and scanner. USB devices may be connected and disconnected without rebooting the computer (hot swapping), and allow specific classes of hardware to be used without requiring individual device drivers to be installed. English When using a high power consumption USB device such as USB ODD, use an external device power adapter to avoid system damage. Connecting an External Display You can connect a VGA monitor via the computer’s built-in VGA port. To connect a VGA monitor, plug the 15-pin display cable into the corresponding VGA port on your computer. To shift to other connected display devices, press Fn + F5. You may also select a device using the Control Panel . Display menu. Page 19 External Devices External Devices English Connecting an Audio Device Your computer includes one headphone jack for use in connecting headphones, speakers, or other audio output devices. To connect, insert the audio device plug into the jack. Connecting an External Microphone Your computer includes one external jack for connecting a microphone. To connect, insert the microphone plug into the jack. Page 20 Coby Electronics Corporation Troubleshooting Troubleshooting If you have a problem with this device, please check our website at for Frequently Asked Questions (FAQ) and product updates. If these resources do not resolve the problem, please contact Technical Support. English Email PCsupport@cobyusa.com Web Phone 877-302-2629: Monday–Friday, 9:00AM–9:00PM EST Page 21 Troubleshooting Troubleshooting English Problem Solution Display Computer does not turn on. If using AC power, check that the AC adapter is securely connected to the computer and the power cord is plugged into a working electrical outlet. If using battery power, check that the battery is charged. Computer turns on, but there is no screen image. Confirm that the screen brightness level is not at its minimum setting. (To increase brightness, press Fn +F7.) If using battery power, check that the battery is installed correctly. If using AC power, check that the AC adapter is connected to the computer and the power cord is plugged into a working electrical outlet. Screen goes blank while the computer is on. Screen saver may be enabled; touch the touchpad or any key to exit screen saver mode. If power management is enabled, the computer may have entered sleep mode. Press the power button to exit sleep mode. Keyboard A number appears when you enter a letter. The numeric lock function is enabled. To disable it, press Fn + Insert. All or some of the keys on the external numeric keypad do not work. Make sure that the external numeric keypad is securely connected to the computer. Page 22 Coby Electronics Corporation English Troubleshooting English Troubleshooting Problem Solution Sleep/Hibernation Mode The computer enters sleep mode unexpectedly. Check that the battery is charged. If the processor overheats, the computer will automatically enter sleep mode to allow the computer to cool and to protect the processor and other internal components. Check that the computer is properly ventilated and not hot to the touch. Check the sleep mode settings. The computer enters sleep mode (the sleep indicator turns on) immediately after Power- on self-test (POST). The critical low-battery error message appears, and the computer immediately turns off. Connect the AC adapter to the computer, or replace the battery with a fully charged one. The computer does not return from sleep mode, or the sleep indicator stays on and the computer does not work. Check the sleep indicator light to confirm that your system is in sleep mode. If it has turned off, your computer has gone into hibernation mode. Press the power button to exit hibernation mode. Check that the battery is charged. A depleted battery will cause the computer to automatically enter hibernation mode. If the battery is depleted, connect to AC power and press the power button to exit hibernation mode. If the system still does not return from sleep mode, your system has stopped responding. Reset the computer by pressing and holding the Power button for 4 seconds or more. Unsaved data may be lost. If the computer fails to reset, unplug the AC adapter and remove, the...