Table of Contents
1.1
Features .............................................................................................................................. 1-1
1.2
2.5-inch HDD ..................................................................................................................... 1-9
1.3
1.4
Power Supply.................................................................................................................... 1-11
1.5
Batteries............................................................................................................................ 1-13
1.5.1
Main Battery....................................................................................................... 1-13
1.5.2
1.5.3
RTC Battery ....................................................................................................... 1-14
Chapter 2
2.1
2.2
Troubleshooting Flowchart ....................................................................................................4
2.3
2.4
Display Troubleshooting ...................................................................................................14
2.5
Keyboard Troubleshooting ...................................................................................................17
2.6
2.7
TouchPad Troubleshooting ..................................................................................................22
2.8
Speaker Troubleshooting......................................................................................................24
2.9
2.10
2.11
2.12
3 in 1 card Troubleshooting..................................................................................................32
2-13
HDD/SSD troubleshooting process......................................................................................34
2-14
CRT failure troubleshooting process....................................................................................36
2-15
2-16
Satellite L550/ProL550 Series Maintenance Manual