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Build A PC - How To Assemble

Computer Assembly - How To Assemble A PC

Connect The Motherboard To The Power Supply

The Gigabyte P55A-UD4P motherboard is ready to be connected to the power supply. There are three connections to be made. There is the 8-pin power connector shown circled in yellow at the top-center of the picture, the 24-pin power connector shown circled in yellow at the bottom-center of the picture, and the 3-pin power supply exhaust fan connector shown circled in yellow at the bottom-left of the picture.
How To Assemble A Computer - PC Assembly Guide, Motherboard Connections For Power Supply
Sort out the 24-pin power plug from the power supply. It looks as shown below. Notice there are 24 holes at the end of the plug arranged 2 x 12.
How To Assemble A Computer - PC Assembly Guide, Motherboard 24-Pin Power Connector
Insert the 24-pin power plug from the power supply into the 24-pin connector on the motherboard. It should click into place. If it needs to be unplugged, it should not slide right out - it should be necessary to squeeze the locking clip as it's removed. The connection is keyed so they can only be connected in one way.
How To Assemble A Computer - PC Assembly Guide, Motherboard 24-Pin Power Connector
Once inserted, it looks like this.
How To Assemble A Computer - PC Assembly Guide, Motherboard 24-Pin Power Connector
Find the 8-pin power plug coming from the power supply. It looks as shown below.
How To Assemble A Computer - PC Assembly Guide, Motherboard 8-Pin Power Connector
Insert the 8-pin power plug from the power supply into the 8-pin connector on the motherboard. Like the 24-pin plug, it should click into place, and to unplug it's necessary to squeeze the locking clip as it's removed. The connection is keyed so they can only be connected in one way.
How To Assemble A Computer - PC Assembly Guide, Motherboard 8-Pin Power Connector
Once inserted, it looks like this.
How To Assemble A Computer - PC Assembly Guide, Power Supply 4-Pin Connector
The computer case exhaust fan should also be connected to the power supply. The computer case fan in the Antec Sonata 3 has a 4-pin connector, as can be seen dangling in front of the fan in the picture below. Other case fans may have a 3-pin connector.
How To Assemble A Computer - PC Assembly Guide, Computer Case Exhaust Fan Power Connector
Select one of the 4-pin power plugs coming from the power supply. It looks as shown below.
How To Assemble A Computer - PC Assembly Guide, Computer Supply 4-Pin Power Connector
This is how it looks when connected.
How To Assemble A Computer - PC Assembly Guide, Computer Case Exhaust Fan Connected
Here's how the interior of the computer case looks now with these connections made for the exhaust fan and power supply. The wires have been run to keep them out of the way of the airflow inside the computer case and away from the spinning blades of the CPU cooler fan.
How To Assemble A Computer - PC Assembly Guide, Antec Sonata 3 Computer Case With Power Connections Made





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How To Build A Computer. Step By Step Instructions To Assemble. Skip To Any Assembly Step.

  Parts List
  Tools
  Computer Case and Power Supply
  Motherboard
  Processor, CPU Cooler and Thermal Compound
  RAM - System Memory
  Video Card
  Monitor
  Keyboard and Mouse
  Hard Drive
  DVD RW
  Speakers
  Install the Processor onto the Motherboard
  Install the CPU Cooler
  Install the RAM - System Memory
  Install the Motherboard into the Computer Case
  Install the Video Card
  Connect the Power Supply to the Motherboard
  Connect the System Panel Cables
  Ready the Monitor
  Ready the Keyboard and Mouse
  First Boot
  First Boot Common Problems
  Install the SATA Hard Drive
  Install the DVD RW Drive
  Connect the Speakers
  Second Boot
  Configure the BIOS Parameter Settings
  Test The Hard Drive
  Install the Operating System - Windows 7
  Driver Installation
  Speed Test - Windows Experience Index


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