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Replace HP Pavilion dv7-4055sg Laptop Motherboard Tips & Warnings 1.Check the user's manual that came with your HP laptop or navigate to the HP support website and find the model of motherboard your laptop uses.
2.Buy a corresponding replacement HP Pavilion dv7-4055sg motherboard.
3.Turn off your laptop, unplug it from the AC mains and take off the battery. Some laptops have a locking mechanism that holds the plastic battery cover in place; undo the lock and take off the cover to remove the battery.
4.Pull out the screws along the edges of the HP Pavilion dv7-4055sg motherboard. Lift the motherboard straight up and remove it completely from the HP laptop's case. Line up the ports on the sides of the new motherboard with the corresponding holes on the case. Push the motherboard down into the case and reconnect the screws.
5.Reassemble all of the internal parts you removed to get to the laptop. Set the plastic piece and keyboard back onto the case. Replace the battery and then reconnect the hard drive, disc drive, RAM modules and plastic covers. Replace all of the screws. Power on the HP laptop and wait for the operating system to load completely to make sure the HP Pavilion dv7-4055sg motherboard is working.
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