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5. Troubleshooting
2) Debugging Flow Chart
Start
Power on
Power on?
YES
NO
LCD display is OK ?
YES
NO
Keyboard function is OK?
YES
NO
HDD and ODD
recognition is OK
in CMOS ?
YES
NO
OS booting is OK?
YES
NO
Touchpad
function is OK?
YES
No problem
Check Adapter and
Battery.
It is
problem.
Solution : Replace the defected part or revise the connectivity..
It is
problem.
No problem
Check RAM and
replace it.
No problem
Check Keyboard
connection and
replace it.
It is
problem.
Solution : Replace the defected part or revise the connectivity..
It is
problem.
No problem
Check the connection
Change Mainboard
and change the unit.
and check it.
OS is corrupted ?
It is
problem.
Solution : Replace the defected part or revise the connectivity.
It is
problem.
No problem
Check Touchpad
FFC
Check there is
any short in the
No problem
main board.
It is
problem.
It is
problem.
No problem
Check LCD cable.
Change Mainboard
and check it.
No problem
It is
problem.
No problem
Change
Touchpad, and
check function.
5- 2
Change Mainboard
and check it.
It is
problem.
No problem
Check LCD
Panel and
Inverter
Change Mainboard
and check it.
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