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Laptops Technical Solution and problems occurrences
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1) Laptop can be turned on but No Display

Possible Error :-

i) LCD

How Do i Recognize if my LCD is broken : Simply connect your laptop into external monitor either using HDMI cable or VGA . If the screen could be seen, then you would want to replace your LCD Screen.

Solution : replace your LCD Screen.

ii) Ribbon Cable / LCD Cable connection between the Mainboard and LCD 

How Do i Recognize if my LCD is broken : Simply connect your laptop into external monitor either using HDMI cable or VGA . If the screen could be seen, then you would want to replace your LCD's Ribbon.

Solution : replace your Ribbon Cable.





iii) North-Bridge/South-bridge Chipsets

North-Bridge Definition : Northbridge is an Intel chipset that communicates with the computer processor and controls interaction with memory, the Peripheral Component Interconnect (PCI) bus, Level 2 cache, and all Accelerated Graphics Port (AGP) activities.


South-Bridge Definition : The southbridge is one of the two chips in the core logic chipset on a personal computer (PC) motherboard, the other being the northbridge. The southbridge typically implements the slower capabilities of the motherboard in a northbridge/southbridge chipset computer architecture.



How to Recogine : No Display even after connecting it on external monitor

Solution : Chipset Reflowing / Reballing / Replacement.


iv) GPU 

How to Recogine : No Display even after connecting it on external monitor

Solution : Chipset Reflowing / Reballing / Replacement.


v) Mainboard Fuse

How to Recogine : No Display even after connecting it on external monitor / Laptop turns off after a few seconds / No power at all

Solution : Replacement.


vi) Transistor


How to Recogine : No Display even after connecting it on external monitor /No Display even after connecting it on external monitor / Laptop turns off after a few seconds / No Power at all

Solution : Replacement.