HP Pavilion dv4-1407tu
HP pavilion dv4-1013tx
HP pavilion dv4-1135tx
HP Pavilion dv4-1250br
HP Pavilion dv4-1319tu
HP pavilion dv4-1427tx
HP Pavilion dv4-1409tu
HP pavilion dv4-1218tx
HP pavilion dv4-1055tx
HP Pavilion dv4-1318tx
HP pavilion dv4-1021tx
HP pavilion dv4-1108tx
HP Pavilion dv4-1259tx
HP Pavilion dv4-1424la
HP pavilion dv4-1168tx
HP PAVILION DV4-1555DX
HP pavilion dv4-1045tx
HP Pavilion dv4-1237tx
HP Pavilion dv4-1408tu
HP pavilion dv4-1426tx
1.Turn off your HP Pavilion dv4-1257tx 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 dv4-1257tx 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 dv4-1257tx motherboard, re-assemble parts in reverse order.