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/Power - 8
Low-power warning
appears
1 Attach power adapter and recharge battery.
2 Disconnect peripherals. If warning disappears when
peripherals are disconnected, verify that peripherals are
low-power.
3 Reduce use of floppy or hard drive, sound, backlight, or
other power-consuming devices, or reconnect power adapter.
4 Try known-good, charged battery.
5 Try known-good power adapter. (See Power Information in
Basics chapter.)
6 Inspect power adapter port: Verify that connector pin is not
bent and that connector is not loose. If these situations exist,
replace main logic board.
7 Replace power supply board (5300 Series only).
8 Replace logic board.