touch pad problem solution

number 1
Touch pad check or change

number 2
combo check or change

number 3
check software

number 4
clean tips and cooltesting with out put tips

then given 3 answers
answer 1 open
answer 2 short
answer 3 ok

then

answer 1
open problem solution

number 1
check tips with connectivity

number 2
check carier with connectivity

number 3
check track with cooltesting

number 4
working ic HRC
hit replant change

answer 2
short problem solution
only for cooltesting

number 1
washer or protector disconnect

then check out put tips with cooltesting

then carier disconnect

number 2
check tips with cooltesting

number 3
check track with cooltesting

number 4
working ic hrc
hit replant change

answer 3 ok problem solution

number 1
Touch pad ic hrc
ic hit replant change

number 2
check touch pad ic demand voltage
Show no voltage then voltage by pass

number 3
cpu to touch pad ic cariers short or change

number 4
check solution with Google search

number 5
working ic hrc
hit replant change