Power Supply ...............................................................................................................20; Troubleshooting - Toshiba Qosmio X500 Maintenance Manual

2 Troubleshooting Procedures
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2.1

Troubleshooting

Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer
is causing the computer to malfunction.
The FRUs covered are:
1. Power supply
2. System Board
3. USB FDD
4. 2.5" HDD
5. Keyboard
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE: After replacing the system board or CPU, it is necessary to execute the subtest 01
initial configuration of the 3.3 Setting of the hardware configuration in Chapter
3. Also update with the latest BIOS
After replacing the LCD, update with the latest EC/KBC.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1. Phillips screwdrivers (For replacement procedures)
2. Implements for debugging port check
 Toshiba Free-DOS system FD
Qosmio X500 Maintenance Manual (960-Q08)
6. Touch pad
7. Display
8. Optical Disk Drive
9. Modem
10. LAN
11. Wireless LAN
12. Sound
13, Finger Print Board
14, Bluetooth
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