Table Of Contents - LG 15Z990 Series Service Manual

Table of Contents

Table Of Contents2
Cautionary Items For Service3
Important Notices3
Things To Do Before The Service3
Common Safety Rules4
Things To Check Before Works4
Safety Cautions For Electricity5
Safety Inspection Guide7
Handling Parts Sensitive To Static Electricity7
Grounding Conditions8
Cautionary Items For Batteries (Laptop/Tablet)8
Cautionary Items For Storage Devices Replacement9
Cautionary Items For Optical Devices (Cd/Dvd-Rom And Etc)9
Backup (Standby) Rtc Battery Safety Information9
Names Of Parts10
Front10
Left11
Right11
System Information And Bios12
Product Specifications12
System Block Diagram14
Using Hot Keys15
Operation Status Lamps16
Bios Flash17
Check Secure Boot19
Bios Setup20
Home Screen21
Main Menu22
Advanced Menu23
Security Menu24
Boot Menu25
Exit Menu26
System Recovery27
Recovering From A Boot Failure30
Using Lg Recovery Center Re30
Using The New Functions32
Lg Control Center32
Fingerprint Recognition33
Logging On To Lg Gram Using Your Fingerprint33
When Logged On Using Your Windows Live Id33
When Logged On Using Your Local Id35
Logging On Using Your Fingerprint37
Power On37
Windows Sig-In37
One Touch And Anti-Accident38
Disk Formatting As A Disk Manager40
Dual Storage (When Mounting Ssd/Nvme, Hard Disk Additionally)40
Lg Recovery Center Partition41
Creating A New Pool And Storage Space41
Function For Each Restoration Type43
Type-C Charging Function44
Source44
Sink44
Malfunction Diagnosis And Related Parts45
System Booting And Shutdown Problems45
System Reset45
Check Ac Adapter45
Check Battery Pack Check (Laptop/Tablet)46
Check Audio System47
Check Communication Module47
Malfucntion Diagnosis And Related Parts49
Lcd Related Symptoms50
Unchecked Problems51
Part Disassembly And Replacement52
Bottom Case53
Battery55
Ssd56
Dual Ssd Installation Guide57
Memory58
Speaker59
Fan And Heat Sink60
Mainboard62
Sub Board And Cable63
Finger Print Button65
Touch Pad Cable67
Keyboard Deck68
Lcd Front Case69
Lcd Assembly71
Webcam74
Hinge76
Antenna Carrier77
Part Lists79
Lcd86
Key Deck88
Main90
Etc93