HP pavilion dv4-1207tx
HP pavilion dv4-1101tx
HP Pavilion dv4-1402tx
HP Pavilion DV4-1320CA
HP Pavilion dv4-1421tx
HP PAVILION DV4T-1000
HP pavilion dv4-1116tx
HP Pavilion dv4-1325tx
HP pavilion dv4-1148tx
HP pavilion dv4-1010tx
HP Pavilion dv4-1319tu
HP Pavilion dv4-1328tx
HP Pavilion dv4-1120us
HP Pavilion dv4-1444dx
HP Pavilion DV4-1275MX
HP pavilion dv4-1043tx
HP pavilion dv4-1112tx
HP PAVILION DV4T-1500
HP pavilion dv4-1028tx
HP Pavilion dv4-1292cm
1.Turn off your HP Pavilion dv4-1421tx 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 dv4-1421tx 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 dv4-1421tx motherboard, re-assemble parts in reverse order.