ideapad 310 Hardware Maintenance Manual

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Lenovo ideapad 310-14ISK/ideapad 310-15ISK/ideapad 310 Touch- 15ISK/ideapad 310-15ABR Hardware Maintenance Manual Hotkeys The hotkeys are located in the function key row of the keyboard.By pressing the appropriate hotkey, you can change system settings instantly. The following describes the function of each hotkey. Table 3. Hotkeys : Mutes/unmutes the sound. : Enables/disables airplane mode. : Decreases the volume level. : Enables/disables camera. : Increases the volume level. : Locks/unlocks the LCD screen. : Enables/disables microphone. : Enables the external projector or dangles the external display. : Refreshes page. : Decreases display brightness. : Enables/disables the touch pad. : Increases display brightness. 32
Lenovo ideapad 310-14ISK/ideapad 310-15ISK/ideapad 310 Touch-15ISK/ FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten. • Each one should be used only once. Do the following when you service this machine: • Keep the screw kit in your tool bag. • Remove screws carefully for reuse. • Use a torque screwdriver if you have one. Tighten screws as follows: • Plastic to plastic Turn an additional 90° after the screw head touches the surface of the plastic part: more than 90° (Cross-section) • Logic card to plastic Turn an additional 180° after the screw head touches the surface of the logic card: more than 180° (Cross-section) • Torque driver If you have a torque screwdriver , refer to the “Torque” column for each step. • Make sure that you use the correct screws. If you have a torque screwdriver, tighten all screws firmly to the torque shown in the table. Never use a screw that you removed. Use a new one. Make sure that all screws are tightened firmly. • Ensure torque screwdrivers are calibrated correctly following country specifications. 33
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Page 3 and 4: Contents About this manual.........
Page 5 and 6: Safety information Safety informati
Page 7 and 8: Safety information Electrical safet
Page 9 and 10: Safety information Safety inspectio
Page 11 and 12: Safety information Safety notices:
Page 13 and 14: Safety information Safety notice 3
Page 19 and 20: Safety information A CD-ROM drive,
Page 21 and 22: Important service information Use t
Page 23 and 24: General checkout General checkout T
Page 25 and 26: General checkout Power system check
Page 27 and 28: Related service information Related
Page 29 and 30: Related service information Power m
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Notices Notices Lenovo may not offe
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ideapad 310 Hardware Maintenance Manual

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