Specifications
Table Of Contents
- PowerBook 190/5300 Series
- Basics
- Specifications
- Troubleshooting
- Take Apart
- Introduction
- Before You Begin
- Battery
- Floppy Drive
- I/O Door
- Front Feet
- Rear Feet
- Keyboard
- RAM Card
- Clutch Covers
- PC Switch Board (PCMCIA)
- Display Assembly
- Palm Rest
- Sleep Actuator
- Trackpad
- Hard Drive
- Power Supply Board (5300 Series Only)
- Backup Battery
- Heat Sink
- Video Board (Optional on 190 Series)
- Logic Board
- CPU Stiffener
- Infrared Board (Optional on 190 Series)
- Media Bay LED
- PC Card Door (PCMCIA)
- Video Expansion Cover (Optional on 190 Series)
- Reset Actuator
- Sound-In Cover (190 Series Only)
- Media Bay Release Mechanism
- Display Housing
- Inverter Board
- Display
- Microphone
- Speaker
- Clutches
- Floppy Drive Mechanism
- Upgrades
- Additional Procedures
- Exploded View

Troubleshooting Symptom Charts/Startup - 3
Hardware failure
occurs (four-tone
error chord sequence
sounds after startup
chord)
1 Reset PRAM.
2 Remove floppy drive from media bay and restart computer.
If startup sequence is normal, insert floppy drive and retest.
3 Replace floppy mechanism.
4 Disconnect hard drive cable and restart computer. If startup
sequence is normal, reconnect cable and retest.
5 Replace hard drive.
6 Replace logic board.
Startup failure
occurs when using
minimum System
Folder and System
7.5.2.
Upgrade to System Enabler 1.2.1 or later. Refer to Apple
Software Updates on Service Source Companion CD.