HP Envy 4-1105dx Hard Drive Replacement

Flip the device on its back.

Unscrew and remove the one 7.5 mm Phillips-head screw using Phillips #1 screwdriver.

Unscrew twelve 6.0 mm Phillips-head screws using Phillips #1 screwdriver.

Use the plastic opening tool (which is short and has a thin end for prying open device parts) to pry open the back case of the device.

Once the device is open, move the ribbon cable to the side.

Use the flat end of a plastic spudger to disconnect the battery cable from its socket in the motherboard.

Unscrew and remove the three 4.0 mm Phillips-head screws that hold the battery in place, using a Phillips #1 screwdriver.

Lift the battery up and remove.

Remove the four 4.0 mm screws that hold down the hard drive case using a Philips #1 Screwdriver.

Move the hard drive case and hard drive so that you can easily reach the hard drive cable.

Use the plastic spudger tool to loosen the hard drive SATA cable connection by pushing it away from the motherboard.

Once it is loose, pull the hard drive out of the socket.

Remove the hard drive from the device.

Pull out the hard drive cable from the hard drive, and set it aside.

Remove the four 3.0 mm screws that attach the hard drive case to the hard drive using a Philips #1 Screwdriver. If the screwdriver is too big, try #0 sized screwdriver.

Remove the hard drive from the hard drive case.