One of the most common reasons for a slow computer are programs running in the background. To see what programs are running in the background and how much memory and CPU they are using, open Task Manager.
Below is a list, it doesn't cover everything, but when it comes to personal computers it could give you an idea of what might be causing the slow performance.
- Your computer was running for a long time without a reboot
- Not enough free hard drive space
- Hard drive corrupted or fragmented
- The computer is Infected with a Virus or Malware
- Hardware conflicts and outdated drivers
- Too many background programs
- Computer or processor is overheating
- Your version of Windows (or any other platform you may be using) or other software is out of date
- Hardware failure
- The computer is too old...
Possible quick fixes
1. Reboot your computer - if your computer hasn't been restarted recently, make sure to reboot it before trying any of the other fixes.
2. Scan for malware or viruses - if your computer is infected with one or more viruses, this can cause your computer to run slow. Use your antivirus software to scan your computer.
3. Close background programs - one of the most common reasons for a slow computer are programs running in the background. Remove or disable any startup programs that automatically start each time the computer boots. To see what programs are running in the background and how much memory and CPU they are using, open Task Manager.
4. Update Windows - make sure that you have the latest Windows updates installed on your PC. If you are on the Internet when your computer is slow, make sure all browser plugins are up-to-date.
These are just some basic steps that anyone can try. If none of these solve the problem then it's time for more advanced testing. This is when you may want to involve a professional who knows their way around computers, you don't want to create more damage than what you started with.
We're happy to help diagnose what might be causing the issues.