hardware and networking course | mobile repairing course (1)

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Step2 If the power cable is not ok replace the
power cable.
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Step4 If the SMPS fan is not running then
replace the SMPS.
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Step6 If the voltage at power switch connector
is ok now trigger the voltage By using
screwdriver.
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Step8 If the power is not ok by trigger, or if
the voltage is not present at power Switch of
mother board it is the mother board problem so
repair the motherboard, or replace the
motherboard.
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Step11 If the south bridge is ok then replace
the SIO. If the south bridge is not ok then
Replace the S/B or mother board.
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