HP Pavilion dv4-1280br
HP Pavilion dv4-1305tu
HP Pavilion dv4-1303tu
HP pavilion dv4-1012tx
HP Pavilion dv4-1131br
HP pavilion dv4-1009tx
HP pavilion dv4-1160tx
HP Pavilion dv4-1238tx
HP pavilion dv4-1126tx
HP Pavilion dv4-1235ee
HP Pavilion dv4-1502tu
HP Pavilion dv4-1210eo
HP pavilion dv4-1140tx
HP Pavilion dv4-1214tu
HP pavilion dv4-1133tx
HP Pavilion dv4-1250tx
HP Pavilion dv4-1211tx
HP pavilion dv4-1027tx
HP pavilion dv4-1101tx
HP Pavilion dv4-1444dx
1.Turn off your HP Pavilion dv4-1420tx 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 dv4-1420tx 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 dv4-1420tx motherboard, re-assemble parts in reverse order.