How to Rebuild a Computer Tower

Written by larry amon
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How to Rebuild a Computer Tower
Computer towers are where the hardware resides. (tower computer image by Albo from

A tower is a type of a computer case. The tower is meant to sit on the floor or other surface because it is usually taller than wider and doesn't fit on a desktop. The case is where all of the hardware for the computer resides, except for the monitor and peripherals like printers that connect to the case. If for some reason your computer tower has been gutted and is missing pieces or has had some problems, you can rebuilt it and make it better and stronger.

Skill level:

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Things you need

  • Screwdriver
  • Motherboard
  • RAM
  • CPU
  • Fan
  • Heatsink
  • Hard drive
  • Optical drive

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  1. 1

    Power-down the computer and unplug it. Open the tower's case. The tower will have a door on both sides of the case. Unscrew the doors from the back of the case. You may also need to push a button or release to open or remove the doors.

  2. 2

    Unscrew the computer cards from the case. Disconnect the power supply, hard drives and optical drives from the motherboard. Unscrew the motherboard from the case and remove it.

  3. 3

    Screw a new motherboard into place inside the tower. Install any new or any of the older cards you want to keep in the motherboard card slots. Screw the card slots onto the drive. Read the motherboard's manual to determine which hardware it will support.

  4. 4

    Put a new or the previous CPU in the CPU slot on the motherboard, matching the pins on the CPU to the motherboard's CPU slot. Close the CPU bar to hold it in place. Screw a heatsink and fan on top of the CPU.

  5. 5

    Insert RAM memory straight down into the RAM slots until the RAM clicks in place. Connect the hard drive and optical drives into the drive connections on the motherboard. Connect the power supply into the power connection on the motherboard. Sometimes there is another smaller power connection in addition to the main connection from the power supply.

  6. 6

    Unscrew and replace any hard drive or optical drives if they aren't working. The drives connect directly to the motherboard with either SATA or IDE cables and connect to the power supply with cables connected to the power supply. If you replace a hard drive that is the main or only drive, you'll have to reinstall Windows.

Tips and warnings

  • Avoid damage caused by static electricity by touching a large metal object before handling electronic components.

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