Why is my computer slow sometimes?

  Jack1226 00:12 17 Nov 14
Locked

I have an HP pavilion laptop with 8 GB RAM, AMD A10-5750M with Raedon HD Graphics 2.50 GHz processor, and Windows 8.1. About half of the time when i use this computer it works fine. Browsing the internet is fast and so is playing games (minecraft runs at 120fps). However, the other half of the time the computer seems to run very slow. Browsing seems to be a little more sluggish, and games like minecraft drop down to 30fps or lower. Can anyone tell me why this is happening and how I can stop it? I also just tried running CCleaner to see if it would fix the problem but nothing really happened. Any help would be appreciated

  mrwoowoo 04:23 17 Nov 14

Make sure you have at least 15% free space on your hard drive. Make sure your hard drive is defragged. Scan for viruses, and malware. Also check the temps of your CPU, and GPU.

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