HP Pavilion dv4-1309tx
HP pavilion dv4-1440tx
HP pavilion dv4-1049tx
HP Pavilion dv4-1145br
HP Pavilion dv4-1235tx
HP Pavilion dv4-1305tx
HP Pavilion dv4-1225la
HP Pavilion dv4-1213tu
HP pavilion dv4-1055tx
HP Pavilion dv4-1302tu
HP Pavilion dv4-1427nr
HP pavilion dv4-1154tx
HP Pavilion dv4-1117ca
HP Pavilion dv4-1235ei
HP pavilion dv4-1138tx
HP Pavilion dv4-1306tu
HP Pavilion DV4-1212LA
HP Pavilion dv4-1290el
HP Pavilion dv4-1247tx
HP Pavilion dv4-1442tx
1.Turn off your HP Pavilion dv4-1223tx 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 dv4-1223tx 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 dv4-1223tx motherboard, re-assemble parts in reverse order.