CPU replacement in HP probook 4230 s

CPU replacement in HP probook 4230 s

  Release hard drive cableThere is a piece of black film on the hard drive plug, which can be used to unplug the hard drive (together with the shelf) without removing the board. Unscrew all screws on the backNote: the screws on the four corners on the back are seed with black rubber bolts. You need to open the rubber bolts to unscrew them. Remove the keyboardFrom the use of toothpicks, through the small hole on the edge of the battery cell on the back of the top of the keyboard, you can open the back button above the keyboard, and then use hard film to pick up other stop losses along the gap. Note: The button at the bottom of the keyboard is longer than the other one and cannot be broken. The link between the keyboard and the host is above the touchpad. You must release the button before removing the keyboard. Unscrew all front screws  Release all cables below  Framework removed (most difficult)After removing the memory stick, use a hand-held pull to pull the middle part of the frame so that the frame is slightly deformed. You can see that the front end of the frame has a small gap, use a hard plastic slice to remove the "Buckle" between the rear frame and the Front Frame along the gap. Note:All kinds of holes will be fragile. When these nodes are reached, they cannot be broken off. They must always use hard film to pick them up. When the back button in front of the frame is opened, the back button near the split cell slot will be held, you need to display the screen hub. Otherwise, the screen hub will link the rear frame with the front frame. Release MotherboardUnscrew the two screws above the motherboard: one of them is in the upper left corner of the fan Release the wireless Nic AntennaThe NIC antenna is fastened to the NIC using metal and can be pulled vertically. Release Modem(In this year, it is useless and can be lost directly.) -- after completing the above operations, the motherboard can be easily lifted. Note: there is no need to split the cables of power supplies and display screens. Some reinforcement measures have been taken in the past, and it is not easy to restore after the cables are split. Release the CPU sinkUnscrew the four screws on the Heat Sink and take the heat sink and the fan connection end as the shaft, the heat sink version can be lifted off Change CPUUse a screw driver to screw the black screw on the CPU outlet to release the CPU and remove the CPU. Then, wipe the old heat-guiding adhesive on the Heat Sink and apply the new heat-guiding adhesive to the new CPU chip, and insert it into the CPU... success! ??

CPU replacement in HP probook 4230 s