Table Of Contents - LG 15Z990 Series Service Manual

Contents
1
Cautionary Items For Service
3 Important Notices
4 Common Safety Rules
4 Things To Check Before Works
8 Cautionary Items For Batteries (Laptop/Tablet)
9 Cautionary Items for Storage Devices (HDD/
Ssd) Replacement
9 Cautionary Items for Optical Devices (CD/DVD-
ROM and etc)
9 Backup (Standby) RTC battery safety
information
2
Names Of Parts
10 Front
11 Left
11 Right
3
System Information And Bios
12 Product Specifications
14 System Block Diagram
15 Using Hot Keys
16 Operation Status Lamps
17 Bios Flash
19 Check Secure Boot
20 Bios Setup
4
System Recovery
30 Recovering From A Boot Failure
LGE Internal Use Only
5
Using The New Functions
32 Lg Control Center
33 Fingerprint Recognition
40 Dual Storage (When Mounting SSD/NVMe, Hard
disk additionally)
44 Type-C Charging Function
6
Malfunction Diagnosis and Related
Parts
45 System Booting And Shutdown Problems
45 Check Ac Adapter
46 Check Battery Pack Check (Laptop/Tablet)
47 Check Audio System
47 Check Communication Module
50 Lcd Related Symptoms
51 Unchecked Problems
7
Part Disassembly And Replacement
8
Part Lists
9
Exploded view
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