Lenovo 13 Safety information

Safety information

This chapter presents the following safety information that you need to get

familiar with before you service a Lenovo computer:

• “General safety” on page 2

• “Electrical safety” on pa ge 3

• “Safety inspection guide” on page 5

• “Handling d evices that are sensitive to electrostatic discharge” on p age 6

• “Grounding requirements” on page 6

• “Safety notices: multilingual translations” on page 7

• “Laser compli ance statement” on page 14

Safety information

Contents

Main Note: Contents iii iv About this manual Safety information General safety Electrical safety Page Safety inspection guide Handling devices that are sensitive to electrostatic discharge Grounding requirements Safety notices: multilingual translations Page Page Page Page Page Page Laser compliance statement Page Important service information Strategy for replacing FRUs Important service information 17 Strategy for replacing a hard disk drive Important notice for replacing a system board Important information about replacing RoHS compliant FRUs General checkout General checkout What to do first General checkout 21 Checking the AC adapter Checking operational charging Power system checkout 22 Checking the battery pack Related service information 23 Start Recovery Disc (one disc) Related service information Restoring the factory contents by using Recovery Disc Set Passwords 24 Power-on password Hard-disk password Supervisor password Related service information Power management 25 Screen blank state Putting the computer to sleep or shutting it down Page Lenovo IdeaPad Yoga 13 Specifications Page Status indicators Hotkeys 31 Screw notices FRU replacement notices Removing and replacing an FRU Page Page 35 1020 Keyboard bezel a b c Page 37 1030 Battery pack Page Page 40 1050 DIMM 41 1060 SSD Card 42 1070 Fan assembly and Heat Sink assembly b c Page 44 1080 System board Page Page g 48 1090 LCD unit Page 50 1100 Speakers, base cover, USB board, power assembly, power board and wifi Page Page Page Applying labels to the base cover 55 1110 LCD front bezel 56 Front view Locations 57 Bottom and Left-side view 58 Right-side view Page 60 Overall Table 4. Parts listOverall Table 4. Parts listOverall (continued) 63 Keyboard Table 6. Parts listKeyboard Page Page 66 Power cords Notices Notices Trademarks