laptop repairing course | mobile repairing course

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Step4 If the monitor power cable is not ok then
replace the power cable.
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Step5 If the monitor power cable is ok then
replace or repair the monitor.
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Step7 If the VGA cable is not ok then replace
the VGA cable.
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Step8 If the VGA cable is ok then replace or
repair the monitor.
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Note Before cleaning the RAM, observe any
physical damages or burnings of components on
mother board like capacitors, MOS-FET, ICs and
replace them with correct value.
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Step10 If the display is not ok after cleaning
the RAM also now change the RAM with working RAM
and check the display.
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Step11 If the display is ok after changing the
RAM, then replace the RAM with new RAM
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Step13 If the reset signal is not ok (3v) at PCI
slot A15 ,it is the mother board problem. Then
replace or repair the mother board.
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Step14 If the reset signal is ok (3v) at PCI
slot A15 ,then proceed to check the other
sections of mother board also.
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Step15 If you want to repair or check the other
sections of mother board see my video how to
repair the no display mother board
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