HP Pavilion dv9940er
HP Pavilion dv9865eg
HP Pavilion DV9398ea
HP Pavilion DV9689EA
HP Pavilion DV9660EF
HP Pavilion dv9770ed
HP Pavilion dv9599xx
HP Pavilion DV9681ER
HP Pavilion dv9933ca
HP Pavilion DV9373ea
HP Pavilion dv9709ef
HP Pavilion dv9542us
HP Pavilion dv9970em
HP Pavilion DV9217TX
HP Pavilion DV9575EM
HP Pavilion DV9016tx
HP Pavilion dv9740es
HP Pavilion dv9730ep
HP Pavilion DV9625EW
HP Pavilion dv9728ca
1.Turn off your HP Pavilion DV9521EJ laptop, disconnect the AC power cord and remove the battery cover and remove the battery.
2.Turn a laptop, from the bottom of the laptop disassembly screws, refer to your laptop's user manual position, and set them aside.
3.Remove the external components, including memory modules, wireless LAN and modem
4.Remove the keyboard assembly of all the screws, gently lift the keyboard assembly from the bottom, remove the keyboard. Unplug all cables and various internal components.
5.Disconnect any wires to the HP Pavilion DV9521EJ motherboard. Unplug any cards, such as the video card, not directly built into the motherboard. You will have the opportunity to remove the motherboard screws, disconnect the cable to the power strip.
6.Remove the CPU, the CPU into a new HP Pavilion DV9521EJ motherboard, re-assemble parts in reverse order.
