A slow computer can be frustrating and time consuming. Simple computer tasks can take minutes to load, or not work at all. Keeping your operating system free of viruses, spyware and extra computer files can speed up your computer dramatically. There are many reasons for system slowness, most of which you can fix for free at home.
Run your antivirus and malware software. Viruses can cause processes to run in the background, which slows your computer. Malware can cause advertisements or popups that pollute your desktop.
Remove unnecessary programs. Click "Start" then "Control Panel," and find "Programs and Features." Right-click and "Unsintall" programs you no longer use or toolbars that attach to your Internet browser. This frees disk space and makes your computer run more efficiently.
Run "Disk Cleanup" by clicking "Start" and "All Programs." Click "System Tools" and "Disk Cleanup." You can delete temporary Internet files, Java applets, dump the Recycle Bin and remove old restore points from this menu. Most space you free using Disk Cleanup will come from temporary Internet files.
Click "Start," and then "Run." Type "msconfig" in the box and click the "Startup" tab. Uncheck any processes you do not want to load at startup. This improves loading time when you turn your computer on.
Run "Disk Defragmenter" to correct system slowness. Defrag clumps files and folders together so your computer can find find files faster, which speeds loading time. Use Defragmenter after you have deleted unnecessary files by clicking "Start" then "All Programs" and "Accessories." Click "System Tools and "Disk Defragmenter" to run it.