2 Troubleshooting Procedures

2.4Display Troubleshooting

S T A R T

P e r f o r m e x t e r n a l d is p la y c h e c k

( P r o c e d u r e 1 )

D o e s th e e x te r n a l d is p la y f u n c ti o n o k ?

P e r f o r m d ia g n o s t ic c h e c k

( P r o c eNdou r e 2 )

Y e s

W a s a d is p la y

p r o b le m d e te c te d ?

P e r f o r m cYo ne sn e c t o r a n d

r e p l a c e m n t c h e c k

( P r o c e d u r e 3 )

R e p l a c e s y s t e m b o a r d

E N D

N o

D is p la y is n o t f a u lty . C o n ti n u e tr o u b le s h o o tin g -

r e f e r to F ig u r e 2 - 1

Figure 2-3 Display troubleshooting process

SatelliteA660/ProA660 Series Maintenance Manual 17

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Image 51
Toshiba PROA660 manual Display Troubleshooting