Lenovo Ideapad 110 17isk User Guide
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Chapter 4. Troubleshooting 27 Other problems Your computer does not respond.•To turn off your computer, press and hold the Power button for four seconds or more. If the computer still does not respond, remove the AC power adapter. •Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network. The computer does not start from a device you want.•See the Boot menu of the BIOS setup utility. Make sure that the BIOS setup utility is set so that the computer starts from the device you want. •Also make sure that the device from which the computer starts is enabled. Make sure that the device is included in the Boot menu in the BIOS setup utility correctly. •While turned off, press the Novo button to select the device you want the computer to start from. The connected external device does not work.•Do not connect or disconnect any external device cables other than USB while the computer power is on. Otherwise, you might damage your computer. •When using high power consumption external devices such as an external USB optical disk drive, use an external device power adapter. Otherwise, the device may not be recognized, or the system may shut down as a result.
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28 Appendix A. CRU instructions Note:The CRU service is only applicable to certain countries. CAUTION: Set the built-in battery in Ship Mode before replacing a CRU or sending your computer for service. 1Turn off the computer and disconnect the AC adapter. 2Press Fn + S + V . 3Press the Power button to verify if Ship Mode has been set. Note: When set in Ship Mode, the battery does not supply power to the computer. To awake the battery from Ship Mode, connect the AC adapter to your computer. Replacing the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To replace the keyboard, do the following: 1Turn off the computer; then disconnect the AC power adapter and all cables from the computer. 2Close the computer display, and then turn the computer over. 3Remove the screws that secure the keyboard a.
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Appendix A. CRU instructions 29 4 Loosen the keyboard with a prying tool b. 5Lift the keyboard slightly c. Disconnect the keyboard connector in the direction shown by arrows d and e. Then remove the keyboard. 6Reconnect the keyboard connector and install the new keyboard. Push the keyboard in gently until it clicks into place. Note: Make sure that the keyboard connector is attached firmly. 7Close the computer display and turn the computer over. 8Reinstall and tighten the screws. 9Reinstall the compartment cover and tighten the screws. 0Turn the computer over again. AConnect the AC power adapter and the cables to the computer.
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30 Appendix A. CRU instructions Removing the optical drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To remove the optical drive, do the following: 1Remove the keyboard. For details, see “Replacing the keyboard” on page 28. 2Remove the screw shown in the illustration a . 3Gently pull the optical drive out b . 4Remove the screw c, then remove the optical drive bracket in the direction shown by arrow d .
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Appendix A. CRU instructions 31 5 Carefully remove the optical drive bezel in the direction shown by arrow e. The following table provides a list of CRUs (C ustomer Replaceable Units) for your computer and informs you of where to find replacement instructions. Safety, Warranty, an d Setup Guide User Guide AC power adapter O Keyboard O Optical drive O
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32 Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo OneKey ideapad Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, products, or service names may be trademarks or service marks of others.