Here is what you need - https://www.amazon.com/Wiha-26794-Precision-Pentalobe-Screwdriver/dp/B00GY8VQQE
Have fun :)
This what you need - https://www.amazon.com/Wiha-26794-Precision-Pentalobe-Screwdriver/dp/B00GY8VQQE
Just don't expect that opening the drive would help you make it work again, it's the opposite.
If it's curiosity the go hurt your drive :)