The longer you use a computer without performing some basic maintenance, the more sluggish it will become. If you’ve noticed a significant decrease in your computer’s speed lately, there are several things you can do. If you have an adware infection, there are programs designed to scan for and remove these threats.
How to Clean up a Computer and Fix Problems by Basic Troubleshooting
Reboot your computer if you are experiencing issues.
Rebooting your computer will solve more problems.
Make sure to save any open documents before rebooting.
Reset your network if you can’t connect to the internet.
Unplug the power cable from your modem.
Wait about thirty seconds.
Then plug your modem back in.
After the lights on your modem have finished turning on.
Check your computer’s clock.
If your system clock somehow got set incorrectly, you may not be able to load security certificates from websites.