Laptop disorted screen problem

For past few weeks I sometime encountered problem with my laptop display..I rarely encounter this problem but sometimes it happen and it kinda appear anytime eventhough im not running any high graphic apps.Also I cannot do anything when this happen that make me have to force shut down the laptop

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Hope to find solution as fast as possible as I worry it may corrupt my laptop..
 
In your shoes, I would start by watching videos about cleaning my laptop and replacing the Thermal Paste.

Some laptops allow easy replacement of video subsystem.

While it may be 'heat' (dust bunny type), it might also be corrosion (ribbon connector between display and mainboard) or a failing GPU.
 
In your shoes, I would start by watching videos about cleaning my laptop and replacing the Thermal Paste.

Some laptops allow easy replacement of video subsystem.

While it may be 'heat' (dust bunny type), it might also be corrosion (ribbon connector between display and mainboard) or a failing GPU.
Thank you for your response..I'll try the solution that you suggested
 
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