Toshiba PROL550 manual 
, TroubleshootingIntroduction

2￿Troubleshooting￿Procedures￿

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2.1￿ Troubleshooting￿Introduction￿

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:￿

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The￿Diagnostics￿Disk￿operations￿are￿described￿in￿Chapter￿3.￿￿Detailed￿replacement￿ procedures￿are￿given￿in￿Chapter￿4.￿

The￿following￿tools￿are￿necessary￿for￿implementing￿the￿troubleshooting￿procedures:￿

1.￿ Diagnostics￿Disk￿(Repair￿and￿Sound￿Repair)￿

2.￿ Phillips￿screwdriver￿(2￿mm)￿

3.￿ 6mm￿nut￿driver￿(for￿the￿helix￿screw￿nuts￿on￿the￿rear￿ports￿for￿CPU￿door)￿

4.￿ 2DD￿or￿2HD￿formatted￿work￿disk￿for￿floppy￿disk￿drive￿testing￿

5.￿ Sycard￿(EXPRESS￿CARD￿test￿card)￿

6.￿ Cleaning￿kit￿for￿floppy￿disk￿drive￿troubleshooting￿

7.￿ Cleaning￿kit￿for￿optical￿drive￿troubleshooting￿

8.￿ Multimeter￿

9.￿ External￿monitor￿

10.￿USB￿compatible￿keyboard￿

11.￿Multimedia￿sound￿system￿with￿line-in￿and￿line-out￿ports￿

12.￿Headphones￿

13.￿USB￿test￿module￿and￿USB￿cable￿

14.￿Music￿CD￿

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SATELLITE￿L550/PROL550￿SERIES￿MAINTENANCE￿MANUAL￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿3￿