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9-9 Keyboard and Touch –pad Test Error<br />
Error message of keyboard or touch-pad is failure or any keys does not<br />
working properly.<br />
Keyboard or<br />
touch-pad test<br />
Is K/B<br />
or T/P cable connected to<br />
Notebook properly?<br />
Yes<br />
Yes<br />
No<br />
Try another known good keyboard or Touch-pad<br />
Test<br />
OK?<br />
No<br />
Replace motherboard<br />
Board-level<br />
Troubleshooting<br />
Check if<br />
U533, J504 are cold<br />
Solder?<br />
No<br />
Yes<br />
Connect it.<br />
Replace the f<strong>au</strong>lty<br />
keyboard or Touch-pad<br />
Re-soldering<br />
69<br />
Check the following parts:<br />
Parts:<br />
Signal: