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 Troubleshooting Flowchart—Startup Problems - 31
Troubleshooting Flowchart—Startup Problems
START
Reset the
Power Manager.
Press power button to
begin boot sequence.
Do you
hear the
startup
tones?
No
Yes
Are the
startup tones
normal?
Yes
Does any
video
appear?
No
Yes
See "Startup" in the
Symptom Charts.
No
1. Check display/inverter cable
connections.
2. Replace the display and
backlight cables.
3. Replace the inverter.
4. Replace the display.
5. Replace the logic board.
1. Check the volume.
2. Check the keyboard and
display cables.
3. Replace the speaker.
4. Replace the logic board.
Does a
gray screen
appear with
pointer?
Yes
No
1
1. Check the keyboard and
display cables.
2. Replace the keyboard.
3. Replace the logic board.