If you can't solve problems using these ways, the easiest way you can see.
When your computer runs slower and slower or programs/browsers take longer time to reply, it is time to clean your computer now, a basic method to clean computer is disk cleanup, steps below will tell you how to clean and speed up your pc.
1.Click Start button on the left bottom of taskbar, type clean in the search box.
2.Click on Disk Cleanup, a new window appear, C disk was selected by default, click OK.
3.Disk Cleanup window shows up, system will self-scan, after the scan process, a new window will appear.
4.There will be a files list, temporary files and other files are listed and checked, un-check options you want to delete. Click OK to clean and a confirm window will pop up, clicking Delete Files to complete the clean process.
1.First of all click the Start button to view the Start Menu.Then choose the Control Panel option.
2.After click Control Panel, enter into System and Security, then click into Device Manger.
3. Then as you can see below, right click on your card's name and finally click Update Driver Software as shown in the screenshot below.Then click Update Driver Spftware.