Lenovo G505 In-Game FPS Spikes?

Lenovo G505 In-Game FPS Spikes?

Added (1). I play games like Battlefield 4, Counter-Strike GO, DayZ, And many other games. Lately I've been getting really bad frame drops. My frames will go from 60 to 15 in seconds. It will stay at 15 frames for about a minute and return to normal. I thought it may be Because of how many games I have installed and how I use this like its a good pc but i don't know. Please help.

Added (2). I've thought about maybe factory resetting. My Download speed is very good so I can install games pretty fast.

Windows 8 installation: partitions?

I have a lenovo z5070 notebook and I installed windows 8.1 3 times
the first time while formatting the hd and creating new partition, a 3 partitions were created, recovory, MSR and system partition, after installing lenovo logo was appearing in the boot screen
second time I formatted only one partition called system which is about 300 mb is formed and thw blue windows logo appeared in boot screen
I then made a BIOS update and formatted
for the third time, it returned back as the first
can anyone know the reason? , should I leave the windws as it is or format it again?

Lenovo z50 good for gaming?

Lenovo z50, i74510u, Intel 4400, 2.0ghz base and up to 3.2 with turbo. Not looking to play brand new games like battlefield 4 or gtav or anything btw.

What's a Good School/Gaming Computer Hybrid?

So I need to get a new computer for school, but I also want one that can handle an ok amount of gaming. I won't be playing anything extremely graphics heavy (MAYBE Day-Z at the most) but I want it to be able to handle anything less than that. So in general I'm looking for something with an Intel i7 and preferably 16gb of RAM and around $1000. Suggestions? I saw the Lenovo Y50 but i read something about a faulty graphics cars…

I built two pcs on a website, not sure which one to get?

I'm 15 and I recently made two different pcs on a website called cybertronpc. I'm not sure which one to get. I only plan on doing some light gaming and school work. The $543.43 option has a more powerful processor but less ram while the $546.91 option has more ram and a less expensive processor. Which one would run games better? What could use improvement? Constructive criticism is accepted. If it helps my ultimate budget is $600. I built two pcs on a website, not sure which one to get