HP Pavilion dv4-1190br
HP Pavilion dv4-1129la
HP Pavilion dv4-1070es
HP Pavilion dv4-1002xx
HP Pavilion DV4-1427NR
HP Pavilion DV4-1416LA
HP Pavilion dv4-1040ei
HP Pavilion DV4-1413LA
HP Pavilion dv4-1199ep
HP Pavilion dv4-1003ax
HP Pavilion dv4-1300 series
HP Pavilion dv4-1150eo
HP Pavilion DV4-1301XX
HP Pavilion dv4-1115ef
HP Pavilion DV4-1212LA
HP Pavilion dv4-1105em
HP Pavilion DV4Z-1200 CTO
HP Pavilion dv4-1202au
HP Pavilion dv4-1030ee
HP Pavilion dv4-1140ek
1.Turn off your HP Pavilion dv4-1121ca 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 dv4-1121ca 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 dv4-1121ca motherboard, re-assemble parts in reverse order.