There are many reasons for a slow computer, but upgrading the computer's hardware can help speed it up. The CPU and the RAM are two main components that can be upgraded to increase a computer's speed, though doing this may require replacing the motherboard as well.
Instructions
Changing the Parts
1. If the motherboard is compatible with the new CPU and RAM, it is not necessary to change it out. But if it's not, a compatible one must be used. Determine the compatibility by reading the motherboard specifications from the manual or by searching for the correct specifications on the manufacturer's website. Make sure all components are compatible before moving on.
2. Turn off the computer and unplug it. Take off the side panel to access the inside of the computer.
3. Unhook the various wires that are connected to the motherboard. This may include hard-drive wires, case wires, disc drive wires and power cables.
4. Remove all PCI cards from the motherboard. It may be necessary to unscrew the cards from the chassis of the computer.
5. Unscrew the motherboard. Use a nonmagnetic screwdriver to avoid damage.
6. Remove the motherboard with the CPU (including the cooling device) and RAM still attached.
7. If the motherboard is compatible with the new CPU and RAM, remove the old CPU and RAM. Unclip the RAM, then remove it. For the CPU, it may be necessary to unscrew the cooling device to access the CPU socket. Unclip the socket and remove the CPU.
8. Whether the motherboard is compatible or if a new motherboard is being used, a backplate may need to be installed. Do this before installing anything else.
9. Insert the new RAM onto the motherboard, making sure it clips into place.
10. Insert the new CPU into the socket and clip it in place.
11. Put a small amount of thermal paste on the CPU, then connect the cooling device.
12. Put the motherboard back into the case by screwing it in first, then connecting all the wires back into place. It may be necessary to refer to the manual to ensure the various wires are connected correctly.
13. Close the case, then turn the computer on.
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