Laptop Keyboard gives off multiple characters. Urgent?

When i try to start my laptop, it continiously beeps, i don't know how many times, and it won't start, butbi tried to randomly press any of the function keys (f1-f12) and the system starts. But i noticed right away that hitting some of the keys gives off multiple characters. For instance,

Pressing 7 gives 7*
h gives hm
V gives gv
And so on. Not all the keys are messed up though

Can you please give me a soltuion to this problem, i tried to search the internet but i can't find any concrete soln.
Could the beeping because of the keyboard? I don't have any external keyboard. Please help me with this one. Does cleaning the keyboard (removing the keys and cleaning them) helps the problem? Hoping for you guys helpful responses. Thank you!

P.s. My laptop is lenovo g570 runnig windows 10

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Jimmy D 1 answer

Does my laptop meet the required specs to play this game?

MINIMUM REQUIREMENT:
OS: 32-bit Windows 7 / Windows 8 / Vista
Processor: Intel® 2 Duo 2.4 GHz or AMD Athlon X2 2.8 GHz
Memory: 2 GB RAM
Graphics: NVIDIA® 8800 GTS or AMD® HD 3850
DirectX: Version 10
Network: Broadband Internet connection
Hard Drive: 21 GB available space
Additional Notes: Windows XP and DirectX® 9.0b and below not supported

RECOMMENDED REQUIREMENT:
OS: 64-bit Windows 7 / Windows 8 / Vista
Processor: Intel Core i5-750, 2.67 GHz or AMD Phenom II X4 965, 3.4 GHz or better
Memory: 4 GB RAM
Graphics: NVIDIA® GTX 560 or AMD® HD 6950
DirectX: Version 11
Network: Broadband Internet connection
Hard Drive: 22 GB available space
Additional Notes: Windows XP and DirectX® 9.0b and below not supported

My laptop's specifications can be founded here: http://psref.lenovo.com/Detail/217?M=80K6002SUS
(I'm running Windows 10 by the way, not 8.1)

Added (1). My apologies. Here's the game along with the requirements at the bottom of the screen: http://store.steampowered.com/...app/242700

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