Toshiba Satellite U900 - Figure 2-6 Touchpad Troubleshooting Process; Touchpad Troubleshooting

2 Troubleshooting Procedures
Satellite U900/U940/U945 Series Maintenance Manual
20
2.7 Touch Pad Troubleshooting
P e rfo rm T ou ch p ad
ch e c k
(P ro ced u re 1 )
S T A R T
D o es T o u c h pad
fun c tio n o k?
P e rfo rm d ia g no s tic
ch e c k
(P ro ced u re 2 )
No
W as a T o u ch p a d
p ro b le m d etec ted ?
P e rfo rm co n n ec to r a n d
rep lac e m e n t ch e c k
(P ro ced u re 3 )
R ep la c e sy ste m b oard
E N D
Y es
Y es
No
T ou ch p ad is n ot
fau lty . C o n tin u e
tro u ble sh o o tin g
-re fe r to F ig u re
2 -1
Figure 2-6 Touchpad troubleshooting process