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HP 250 G3 WiFi Card Replacement

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  1. HP 250 G3 WiFi Card Replacement, WiFi Card: étape 1, image 1 de 1

    • Remove the battery.

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  2. HP 250 G3 WiFi Card Replacement: étape 2, image 1 de 1

    • Remove the two indicated screws using a #1 Philips driver.

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  3. HP 250 G3 WiFi Card Replacement: étape 3, image 1 de 3 HP 250 G3 WiFi Card Replacement: étape 3, image 2 de 3 HP 250 G3 WiFi Card Replacement: étape 3, image 3 de 3

    • Use a #1 Philips driver to remove the disc drive's screw.

    • Use a spudger to gently pry the drive out of the housing.

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  4. HP 250 G3 WiFi Card Replacement, screws of the case 1: étape 4, image 1 de 3 HP 250 G3 WiFi Card Replacement, screws of the case 1: étape 4, image 2 de 3 HP 250 G3 WiFi Card Replacement, screws of the case 1: étape 4, image 3 de 3

    • Remove the rubber rests on the rear of the device, near the battery.

    • Remove the hidden screws placed under the rests using a #1 Philips driver.

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  5. HP 250 G3 WiFi Card Replacement, screws of the case 2: étape 5, image 1 de 3 HP 250 G3 WiFi Card Replacement, screws of the case 2: étape 5, image 2 de 3 HP 250 G3 WiFi Card Replacement, screws of the case 2: étape 5, image 3 de 3

    • Remove the remaining screws on the bottom of the device.

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    • Remove the two little screws at the DVD entrance.

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  7. HP 250 G3 WiFi Card Replacement, removing keyboard: étape 7, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing keyboard: étape 7, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing keyboard: étape 7, image 3 de 3

    • Turn the laptop around.

    • Open up the laptop (to remove the keyboard).

    • Use a spudger or iSesamo to remove the keyboard.

    • Slide the iSesamo around the upper side of the keyboard as shown in the pictures (you will hear clicks).

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  9. HP 250 G3 WiFi Card Replacement: étape 8, image 1 de 3 HP 250 G3 WiFi Card Replacement: étape 8, image 2 de 3 HP 250 G3 WiFi Card Replacement: étape 8, image 3 de 3

    • When it becomes loose, gently slide the keyboard to the left as shown in picture 3.

    • Be gentle because the thin ribbon may tear.

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  10. HP 250 G3 WiFi Card Replacement, removing keyboard / ribbon cable: étape 9, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing keyboard / ribbon cable: étape 9, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing keyboard / ribbon cable: étape 9, image 3 de 3

    • Gently lift the keyboard up.

    • Spot the thin ribbon cable attached to the connector (the connector has a plastic lid).

    • Carefully open the lid with a spudger and slide the ribbon cable out of the connector.

    • Be very gently with the cable and the connector because the lid may come loose. If this happens, it is difficult to put the cable and the connector back in.

    • Close the lid again, after removing the cable, so that the cable cannot jump out.

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  11. HP 250 G3 WiFi Card Replacement, removing upper plate/case: étape 10, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing upper plate/case: étape 10, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing upper plate/case: étape 10, image 3 de 3

    • Remove the screw circled in picture 2.

    • Remove the white ribbon cable from the connector.

    • Remove the tape over the cable and the connector.

    • Open up the lid with a spudger, and gently remove the ribbon cable.

    • Be careful because the ribbon cable is pasted tot the plate.

    • This ribbon cable is the connector from the ON/OFF switch.

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  12. HP 250 G3 WiFi Card Replacement: étape 11, image 1 de 2 HP 250 G3 WiFi Card Replacement: étape 11, image 2 de 2

    • Remove the screw, and remove the ribbon cable from the connector.

    • The ribbon cable/connector is the touch pad/mouse connector.

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  13. HP 250 G3 WiFi Card Replacement: étape 12, image 1 de 1

    • Remove the screw on the upper side of the laptop.

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    • Remove the last screw (unfortunately, I do not have a picture of this, but you will see it on your laptop).

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  15. HP 250 G3 WiFi Card Replacement: étape 14, image 1 de 3 HP 250 G3 WiFi Card Replacement: étape 14, image 2 de 3 HP 250 G3 WiFi Card Replacement: étape 14, image 3 de 3

    • Slide your iSesamo around the case as shown in picture 1 and 2, and go around the entire laptop.

    • You will hear clicks after using the iSesamo.

    • Lift the upper plate to reveal the motherboard.

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  16. HP 250 G3 WiFi Card Replacement, removing main board: étape 15, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing main board: étape 15, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing main board: étape 15, image 3 de 3

    • Remove the two screws holding the main board to the plate (see pictures 2 and 3).

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  17. HP 250 G3 WiFi Card Replacement, loose screws and cables to remove main board: étape 16, image 1 de 1

    • Use an IC extractor to remove the audio connector from the socket (sorry for the blurred picture).

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  18. HP 250 G3 WiFi Card Replacement, removing LCD cable: étape 17, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing LCD cable: étape 17, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing LCD cable: étape 17, image 3 de 3

    • Use a spudge to remove the tape/sticker.

    • Be very gentle and careful with this step because the connector is a hard-to-remove ribbon cable with a bunch of small cables. Ripping one of them will damage the ribbon cable, and will cause bad or no screen.

    • It is recommended to use an IC extractor to remove the LCD connector (however, you can use two small flat-had screwdrivers, or tweezers to slide the connector out o the socket).

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  19. HP 250 G3 WiFi Card Replacement, removing HDD: étape 18, image 1 de 2 HP 250 G3 WiFi Card Replacement, removing HDD: étape 18, image 2 de 2

    • Remove the two screws holding the HDD.

    • Slide out the HDD.

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  20. HP 250 G3 WiFi Card Replacement, removing usb pcb: étape 19, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing usb pcb: étape 19, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing usb pcb: étape 19, image 3 de 3

    • Use a spudger to loosen the cable from the bottom plate.

    • The flat ribbon cable is pasted to the bottom plate, and the ribbon cable is soldered to the PCB.

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  21. HP 250 G3 WiFi Card Replacement, removing the bad Wifi module.: étape 20, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing the bad Wifi module.: étape 20, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing the bad Wifi module.: étape 20, image 3 de 3

    • Remove the golden antenna cable from the socket. Be very careful, and use a spudger.

    • Remove the screw.

    • The WiFi module will jump up when the screw is removed. Slide the WiFi module out.

    • Wear gloves to avoid touching the antenna or the antenna sockets.

    • To install the new Wifi module, slide the new WiFi module in , push it down, and put the screw back in.

    • Attach the antenna back in.

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  22. HP 250 G3 WiFi Card Replacement, removing main PVB: étape 21, image 1 de 3 HP 250 G3 WiFi Card Replacement, removing main PVB: étape 21, image 2 de 3 HP 250 G3 WiFi Card Replacement, removing main PVB: étape 21, image 3 de 3

    • In this case I did not remove the main PCB because then I had to remove the DC jack. It was a very breakable connector, and the wires are very thin. If you break one of them you cannot charge your laptop any more.

    • If the DC jack is damaged or broken in your laptop, remove the hinge instead (this is holding the DC power jack in place).

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Kevin D

Membre depuis le 05/02/14

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