Screwdriver Size for lenovo G510?

Screwdriver Size for lenovo G510?
Added (1). Hi Guys,

This question is strictly for Lenovo G510 Core i5 model owners… My laptop is recently heating up alot so I decided to clean it up and apply thermal paste and stuff on it…

Now, I currently don't possess a screwdriver and want to purchase one from market… But have no idea which size screwdriver will open up this system and couldn't find anything from googling…

Need help…

Thanks.

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