Lenovo G50 45: No smooth browsing

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1) Browser: Firefox (updated)
2) Problem: Lag while browsing (Add ons installed: Adblock, IDM, Youtube Downloader)
3) Already tried: Reinstalling firefox, windows
4) Using ccleaner to clean junk files and other errors.
6) Irrelevant startup items disabled
7) Current RAM: 12GB (4GB + 8GB)
8GB RAM link: Kingston 8 GB RAM FOR LAPTOP 1600MHZ PC3L - KVR16LS118: Amazon.in: Electronics

Try again in opera or chrome without any add ons. Also check for background processes consuming bandwidth.

SaiyanGoku said:
Try again in opera or chrome without any add ons. Also check for background processes consuming bandwidth.

Using Chrome now, so far no such lag problem.

Thanks for the help bro