As we all know that caring of our computer appropriately and regularly will greatly improve computer's performance. Therefore, we should be aware of some methods on how to optimize your computer. Below, I will tell you some.

1.To disable the unused IDE channels

Right click on "My Computer" - "Properties" - "Hardware" - "Device Management" - " IDE ATAPATA controller " and then respectively enter main and minor IDE channel , select " advanced set " , in here we can find " current transfer mode "in which is " not applicable ", after that, just set the item of " device type " to " no " .

2.Optimization of Visual effects

Right click "My Computer" - " Properties" - "Advanced ", then in the bar of "performance ", open "settings " -" Visual effects ", adjust for best performance, or only retain the necessary items.

3.Scan hard drive and Clean up unnecessary files at least once per week

In normal use, various annoying registry errors will gradually creep into your system, causing problems such as slow speed, crashing or freezing, blue screens, deadlock, error messages etc. Over time, the errors can bring about pc is very slow. In that case, it is necessary for us to deal with it. Then, I'll tell you how:
Click "Start" - "All Programs" - "Accessories" - "System Tools" - "Disk Cleanup"

4.Remove webpage history

IE stores visited webpage to computer, forming a page history by day. Maybe storing a couple days of webpage history will be helpful, but too many can slow down your computer's performance.

5.Clean Computer's Registry

Registry is one of the Microsoft Windows important databases for storing system and application settings. And over time, it becomes overloaded with duplicate files and errors. Therefore, Cleaning Registry is very necessary and can vastly speed up computer.

Take Registry Winner for example. Registry Winner, an advanced multi-language registry cleaner in pc diagnosis and repair, can safely optimize the speed of the system and set your PC in a fantastic performance! Steps are described as follows:

Open the software

Click "Junk Cleaner" which can help you remove unnecessary files and programs

6.Update Windows

Computer upgrades, generally by means of hardware or software, improve computer performance. Really, it's annoyed that when your computer wants to reboot after downloading updates. Running the most up-to-date version of Windows will keep PC running perfectly. Just click "Start" - "All Programs" - "Windows Update" - "Custom" - "All Available Updates" - "Install Updates".

Here I just discuss some ways to optimize computer, which may let you have a preliminary understanding on why pc slow. In short, I hope the information I gave you was helpful.