The most common reasons a computer is slow is because of a cluttered up registry or spyware. These two problems are so popular that programs have been written specifically to solve them. Other popular reasons include fragmented hard drives, Lack of, or miss managed memory(ram) and other hardware related problems.
How to fix a cluttered registry
Lucky this is the most common problem but also the easiest to Diagnose and solve! Get this Registry scanner and run the free scan. It will diagnose your problems for you. If your registry is fine you wont need it and can move on to the next test. If it finds any problems it can fix them for you and your computer should work much faster.
How to get rid of Spyware and speed up the slow computer
As with the problem above diagnosing and getting rid of Spyware is one of the more simple tasks when trying to speed up a slow computer. Simply get this Spyware scanner and scan your Computer for spyware. As before if it comes up with little or nothing you’re safe and can move on down to the other solutions. If it does find spyware it can remove it for you in no time. With spyware gone you should see a huge improvement. Spyware usually slows down your browser by lots and sometimes even the rest of your Computer.
How to find your Slow Computers memory(ram)
If neither of the above solved your problem then maybe your Computer hardware is outdated. The first and most common symptoms of Computers that aren’t up to speed with new software is the Memory(ram).
This is a bit more complicated to diagnose and fix but still doable in most cases.
Step1: Right click My Computer(either on your desktop or on the right side in the start menu.
Step2: click Properties from the drop down list
Step3: Check under Installed Memory(ram)
Now each Computer is different but here are some common setups that can lead to a slow Computer.
If you have Windows7 or Vista installed: Anything less than 2GB may give you trouble.
For Windows XP that number is 1 – 2GB
Anything below that 95,98,2000 will be fairly slow in this day in age and should have the whole PC replaced.
If you determined that you need more Memory you will first have to find out what kind you need then buy and install it.
Newegg has a large selection of Memory and can help find the kind you need