2 Troubleshooting Procedures
2-6
Satellite/Satellite Pro U500/U500D, PORTEGE M900/M900D, Dynabook Maintenance Manual
2.1 Troubleshooting
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are:
1 Power Supply
6 Optical Drive
11 Card reader
2 Main
Board
7 Modem
12 PCI
Express
Slot
3 HDD/SSD
8 LAN
13 FINGERPRINT BOARD
(BTO)
4 Keyboard/Touch pad
9 Wireless LAN 14 Bluetooth (BTO)
○
I
5 Display 10 Sound component 15 3G (BTO)
○
I
16 Camera (BTO)
The Diagnostics optical disk or USB disk operations are described in Chapter 3. Detailed
Replacement Procedures are given in Chapter 4,
Replacement Procedures
.
The following tools are necessary for implementing the troubleshooting procedures:
The following tools are necessary for implementing the Diagnostics procedures:
For tools required for executing the Test Program, refer to the Chapter 3. For tools required
for disassembling/assembling, refer to Chapter 4.
1.
A set of tools for the debugging port test (test cable, test board, RS-232C cross cable,
display,)
2.
A PC with a serial port (for displaying debug port test result)
3.
A bootable USB key
4.
An external CRT display (for Display troubleshooting)
5.
A Card reader
(for Card reader slot troubleshooting)
6.
An external microphone (for Sound troubleshooting)
7.
Headphone (for Sound troubleshooting)
