Введение
If your ASUS VivoBook S400C has a broken touchscreen or continues to have issues even after going through the touch screen trouble shooting guide to rule out any software issues, use this guide to replace it. Before you begin, make sure the laptop is completely turned off and the battery has been removed.
The digitizer is not bonded to the LCD display, and so can be replaced without having to also replace the LCD if the LCD is not damaged. Although the digitizer is available without the front bezel, this guide does not address separating the touch screen from the bezel but only shows how to replace the assembly as a single unit.
Warning: If the glass display is completely shattered, please remain safe by following the directions here on how to tape over any glass and prevent being hurt.
If there is a possibility you will need to replace the LCD adhesive and want to have all parts on hand before you begin, read through the ASUS VivoBook S400C LCD Adhesive Replacement guide and consider ordering the 3 mm Double Sided Adhesive Tape.
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Flip the device over and remove the ten 5.7 mm screws with a Phillips #0 screwdriver.
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Use a spudger or your fingers to go around and lift the edges and release the back panel.
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Using a spudger, lift up the plug connecting the battery to the motherboard.
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Remove the black shield covering the display connector and the heat sink.
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Remove the black tape securing the keyboard ribbon cable to the display connector.
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Fold the ribbon cable the opposite way, resecuring it to the hard drive to keep it out of the way.
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Position spudgers on the white tabs on either side of the connector and push evenly to unplug the display.
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Peel off the three pieces of black tape securing the display cable to the motherboard.
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Deroute the cable from the channel it sits in.
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Move the cable to the side, out of the way.
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Lift the tapes securing the wires to the motherboard.
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Move the wires to the side out of the way.
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Remove the two screws securing the hinge on the left.
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Pry the hinge up by hand to a 90 degree angle.
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Remove the two screws securing the hinge on the right.
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Pry the hinge up by hand to a 90 degree angle.
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Lift the base of the laptop from the front.
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Raise it to a 90 degree angle.
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Slide it forward slightly to clear the hinges.
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The display is now free.
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There are two black square plastic tabs covering the retaining screws. The tabs are fixed in place with light adhesive.
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Using a thin blade, pry off the tabs covering the screws.
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With a Phillips #0 screwdriver, remove the two 3.8 mm screws holding the bezel in place.
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Grasp the hinge cover and slide it to the right. It will only move about 3mm (1/8 inch).
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Slide the screen down to release the catches holding it in place.
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Lift up on the now-exposed bottom edge of the screen. Go around the edges, lifting it away from the housing. If it is still caught anywhere, remember to slide it down to free it.
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Slide the screen out from under the hinges and remove it.
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Flip the touch screen assembly over and peel the clear tape covering the LCD connector off the LCD panel.
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Using a spudger, slide the connector out in the direction of the bottom of the screen.
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Peel off the tape providing a ground point to the LCD frame.
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Use the flat end of a spudger to flip up the latch on the right connector.
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The touchscreen board is secured to the bezel with two latches on the far side and a plastic hook on the near side.
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Use a spudger to open the right latch while gently prying up with an opening tool or a fingernail.
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Use a spudger to open the left latch while gently prying up with an opening tool or a fingernail.
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Rotate the board toward you while sliding it forward slightly to free it from the bottom hook.
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Lift the board away from the bezel and move it aside.
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The microphone daughterboard is held in place by being pressed down onto a plastic pin.
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Pry it up off the retaining pin with a plastic spudger.
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The camera daughterboard is held in place with two latches along the top of the board and two hooks on the bottom.
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It is seated on two plastic guide pins as well.
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Slide a thin pry tool between the top of the camera board and the lip of the bezel.
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Gently pry up on the board to free it from the latches and the guide pins it sits on.
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Lift it up and away from the bezel and set it to the side.
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Carefully remove the five pieces of conductive tape securing the cables to the LCD frame.
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Deroute the LCD cable from the display.
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The LCD / digitizer assembly is now free.
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Heat the front edges of the touch screen with an iOpener, a heat gun or a hair dryer to loosen the adhesive securing the LCD to the digitizer.
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Using a flat metal opening tool, carefully pry up the LCD, inserting opening picks as you go to prevent the display from re-adhering to the digitizer.
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Start with the top edge of the display.
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Carefully lift the top edge of the LCD away from the frame.
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The remaining adhesive on the bottom of the glass will peel off as you continue to lift the LCD.
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The LCD is now free from the display.
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Set the LCD panel aside, being careful not to get fingerprints or dirt on the surface. The digitizer is now free.
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To reassemble your device, follow these instructions in reverse order.
See the ASUS VivoBook S400C LCD Adhesive Replacement guide for instructions on how to replace the adhesive tape on the display frame if needed.
To reassemble your device, follow these instructions in reverse order.
See the ASUS VivoBook S400C LCD Adhesive Replacement guide for instructions on how to replace the adhesive tape on the display frame if needed.
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