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Discussion Starter #1
Hi There

Lenovo laptop G550 motherboard is not working. When power on only power led glows & fan works normally. cpu ok, RAM ok. What is the problem on motherboard?
 

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What exactly is the error you're getting that's telling you the motherboard doesn't work?
 

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Try connecting a PC monitor to the laptop's VGA port to determine if the screen is at fault.
 

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Discussion Starter #4
Lenovo g550 Laptop no display

Hi,
I have a problem with Lenovo G550 laptop. When we press the power button the led's glow,fan works normally but there is no display on the screen nor on the external monitor. Ram is ok,charging ok, cpu ok.
What is the problem on the motherboard? please help! What thing to check on the mobo or which component to be replaced plz guide.:
 
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