HP 15-ac128nu
HP 15-ac107nu
HP 15-ac004ur
HP 15-ac153ur
HP 15-ac116na
HP 15-ac012nk
HP 15-ac629tu
HP 15-ac126ng
HP 15-ac620tx
HP 15-ac001nv
HP 15-ac091ng
HP 15-ac148nb
HP 15-ac111nu
HP 15-ac118ca
HP 15-ac053nx
HP 15-ac048tu
HP 15-ac186nf
HP 15-ac129np
HP 15-ac035tu
HP 15-ac125ur
1.Turn off your HP 15-ac121nf 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 15-ac121nf 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 15-ac121nf motherboard, re-assemble parts in reverse order.