Introduction

This guide will allow you to replace a broken display panel for the Dell Inspiron 17-5755. Please ensure that the battery is removed before performing this replacement.

Make sure the computer has been shut down, and isn't plugged into an outlet before attempting to remove the battery.
  • Make sure the computer has been shut down, and isn't plugged into an outlet before attempting to remove the battery.

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Find the battery release latch on the bottom side of the computer. Slide the latch to the left until you hear a "click". This indicates that the battery has been released.
  • Find the battery release latch on the bottom side of the computer.

  • Slide the latch to the left until you hear a "click". This indicates that the battery has been released.

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Safely remove the battery from the laptop.
  • Safely remove the battery from the laptop.

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Open the display of the laptop as far as possible, and locate the tabs which secure the keyboard to the laptop. Open the display of the laptop as far as possible, and locate the tabs which secure the keyboard to the laptop.
  • Open the display of the laptop as far as possible, and locate the tabs which secure the keyboard to the laptop.

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Use a plastic opening tool to gently release the tabs that secure the keyboard to the laptop.
  • Use a plastic opening tool to gently release the tabs that secure the keyboard to the laptop.

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Carefully lift the keyboard from the laptop, being mindful of any attachments that it may have. Carefully lift the keyboard from the laptop, being mindful of any attachments that it may have.
  • Carefully lift the keyboard from the laptop, being mindful of any attachments that it may have.

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Lift the zero insertion force (ZIF) tab that secures the keyboard back light ribbon cable Afterwards, carefully detach the backlight cable from the laptop. Afterwards, carefully detach the backlight cable from the laptop.
  • Lift the zero insertion force (ZIF) tab that secures the keyboard back light ribbon cable

  • Afterwards, carefully detach the backlight cable from the laptop.

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Gently release the ZIF tab that secures the keyboard ribbon cable to the laptop. Afterwards, carefully slide the cable out of its slot. Afterwards, carefully slide the cable out of its slot.
  • Gently release the ZIF tab that secures the keyboard ribbon cable to the laptop.

  • Afterwards, carefully slide the cable out of its slot.

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Now that the keyboard is detached from the laptop, you may safely remove it. Now that the keyboard is detached from the laptop, you may safely remove it.
  • Now that the keyboard is detached from the laptop, you may safely remove it.

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Use a Phillips #0 screwdriver to unscrew the two 8mm screws which secure the base cover.
  • Use a Phillips #0 screwdriver to unscrew the two 8mm screws which secure the base cover.

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Locate the tabs that hold the base cover to the laptop and use a plastic opening tool to gently release the base cover. Locate the tabs that hold the base cover to the laptop and use a plastic opening tool to gently release the base cover.
  • Locate the tabs that hold the base cover to the laptop and use a plastic opening tool to gently release the base cover.

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Now with the base cover removed, you may lift it off of the laptop and continue. Now with the base cover removed, you may lift it off of the laptop and continue.
  • Now with the base cover removed, you may lift it off of the laptop and continue.

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Disconnect the hard drive ribbon cable from the laptop by lifting the latch which secures it. Disconnect the hard drive ribbon cable from the laptop by lifting the latch which secures it. Disconnect the hard drive ribbon cable from the laptop by lifting the latch which secures it.
  • Disconnect the hard drive ribbon cable from the laptop by lifting the latch which secures it.

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Use a Phillips #0 screwdriver to remove the four 8mm screws  which secure the hard drive assembly to the laptop.
  • Use a Phillips #0 screwdriver to remove the four 8mm screws which secure the hard drive assembly to the laptop.

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Carefully remove the hard drive and its assembly from the laptop. Carefully remove the hard drive and its assembly from the laptop.
  • Carefully remove the hard drive and its assembly from the laptop.

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Remove the 3mm screw which secures the wireless card bracket. After removing the screw, remove the wireless card bracket, along with the antenna cables secured to the wireless card. Afterwards, you may slide and remove the wireless card from the motherboard.
  • Remove the 3mm screw which secures the wireless card bracket.

  • After removing the screw, remove the wireless card bracket, along with the antenna cables secured to the wireless card.

  • Afterwards, you may slide and remove the wireless card from the motherboard.

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Gently spread apart the securing clips on each end of the memory-module slot until the memory module pops out. Slide and remove the memory module afterwards. Slide and remove the memory module afterwards.
  • Gently spread apart the securing clips on each end of the memory-module slot until the memory module pops out.

  • Slide and remove the memory module afterwards.

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Use a plastic opening tool to gently pry the CMOS battery found at the bottom right of the laptop out of the socket. Use a plastic opening tool to gently pry the CMOS battery found at the bottom right of the laptop out of the socket.
  • Use a plastic opening tool to gently pry the CMOS battery found at the bottom right of the laptop out of the socket.

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Use a Phillips #0 screwdriver to remove the 3mm screw which secures the optical-drive assembly to the computer base Turn the computer over and using a plastic opening tool, push the optical-drive assembly out of the optical drive bay. Afterwards, safely pull the optical-drive assembly out of the optical-drive bay.
  • Use a Phillips #0 screwdriver to remove the 3mm screw which secures the optical-drive assembly to the computer base

  • Turn the computer over and using a plastic opening tool, push the optical-drive assembly out of the optical drive bay.

  • Afterwards, safely pull the optical-drive assembly out of the optical-drive bay.

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Turn the computer over Lift the latch securing the optical drive ribbon cable, and disconnect it from the motherboard. Afterwards, use a Phillips #0 screwdriver to remove the four 5mm screws.
  • Turn the computer over

  • Lift the latch securing the optical drive ribbon cable, and disconnect it from the motherboard.

  • Afterwards, use a Phillips #0 screwdriver to remove the four 5mm screws.

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Turn over the laptop, and safely disconnect the speaker cable. Turn over the laptop, and safely disconnect the speaker cable.
  • Turn over the laptop, and safely disconnect the speaker cable.

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Remove the antenna cables from the routing guides on the computer base.
  • Remove the antenna cables from the routing guides on the computer base.

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Use a Phillips #0 screwdriver to remove the 15 screws that secure the computer base to the palm rest assembly. Afterwards, safely pry the  computer base from the palm rest assembly using a plastic opening tool.
  • Use a Phillips #0 screwdriver to remove the 15 screws that secure the computer base to the palm rest assembly.

  • Afterwards, safely pry the computer base from the palm rest assembly using a plastic opening tool.

  • There are 3 different screws used: Three 2mm screws on the edge of the optical drive, two 3mm screws located where the battery was, and ten 8mm screws.

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Use a Phillips #0 screwdriver to remove the 5mm screw that secures the I/O board to the palm-rest assembly. Use a Phillips #0 screwdriver to remove the 5mm screw that secures the I/O board to the palm-rest assembly.
  • Use a Phillips #0 screwdriver to remove the 5mm screw that secures the I/O board to the palm-rest assembly.

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Lift the I/O board and turn it over. Afterwards, lift the ZIF latch and disconnect the I/O-board cable from the I/O board. Afterwards, lift the ZIF latch and disconnect the I/O-board cable from the I/O board.
  • Lift the I/O board and turn it over.

  • Afterwards, lift the ZIF latch and disconnect the I/O-board cable from the I/O board.

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Disconnect the fan cable from the motherboard. Use a Phillips #0 screwdriver to remove the heat-sink screws in sequential order, as indicated by the numbers on the heat-sink assembly. Afterwards lift the heat-sink assembly off the motherboard.
  • Disconnect the fan cable from the motherboard.

  • Use a Phillips #0 screwdriver to remove the heat-sink screws in sequential order, as indicated by the numbers on the heat-sink assembly.

  • Afterwards lift the heat-sink assembly off the motherboard.

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Turn the computer over and open the display as far as possible. Lift the latches for the power button board cable and disconnect it along with the touchpad cable from the motherboard. Lift the latches for the power button board cable and disconnect it along with the touchpad cable from the motherboard.
  • Turn the computer over and open the display as far as possible.

  • Lift the latches for the power button board cable and disconnect it along with the touchpad cable from the motherboard.

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Close the display and turn the computer over.
  • Close the display and turn the computer over.

  • Proceed to lift the latch which secures the ZIF display cable to the motherboard.

  • Disconnect the display cable from the motherboard.

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Use a Phillips# 0 screwdriver to remove the 3mm screw that secures the motherboard to the palm-rest assembly. Afterwards, carefully peel the I/O board cable off the palm-rest assembly.
  • Use a Phillips# 0 screwdriver to remove the 3mm screw that secures the motherboard to the palm-rest assembly.

  • Afterwards, carefully peel the I/O board cable off the palm-rest assembly.

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Turn the motherboard over. Lift the latch to disconnect the I/O-board cable from the motherboard. Lift the latch to disconnect the I/O-board cable from the motherboard.
  • Turn the motherboard over.

  • Lift the latch to disconnect the I/O-board cable from the motherboard.

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Disconnect the power-adapter port cable from the motherboard. Afterwards you may safely remove the motherboard from the laptop. Afterwards you may safely remove the motherboard from the laptop.
  • Disconnect the power-adapter port cable from the motherboard.

  • Afterwards you may safely remove the motherboard from the laptop.

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Using a Phillips 0 screwdriver, remove the screw (M2 x 3) the power-adapter port to the palm-rest assembly. Peel off the tape that secures the power-adapter port to the palm-rest assembly.
  • Using a Phillips 0 screwdriver, remove the screw (M2 x 3) the power-adapter port to the palm-rest assembly.

  • Peel off the tape that secures the power-adapter port to the palm-rest assembly.

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Carefully detach the antenna cables from their respective routing guides Carefully detach the antenna cables from their respective routing guides Carefully detach the antenna cables from their respective routing guides
  • Carefully detach the antenna cables from their respective routing guides

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Using a Phillips 0 screwdriver, remove the 7 screws (M2.5 x 5) that secure the display hinges to the palm-rest assembly. Detach the display assembly from the palm rest assembly
  • Using a Phillips 0 screwdriver, remove the 7 screws (M2.5 x 5) that secure the display hinges to the palm-rest assembly.

  • Detach the display assembly from the palm rest assembly

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Using the tip of your fingers, gently pry off the display bezel from the back-cover Using the tip of your fingers, gently pry off the display bezel from the back-cover Using the tip of your fingers, gently pry off the display bezel from the back-cover
  • Using the tip of your fingers, gently pry off the display bezel from the back-cover

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Using a Phillips 0 screwdriver, remove the 10 screws (M2.5 x 4.5) that secure the display panel to the display back-cover. Using a Phillips 0 screwdriver, remove the 10 screws (M2.5 x 4.5) that secure the display panel to the display back-cover. Using a Phillips 0 screwdriver, remove the 10 screws (M2.5 x 4.5) that secure the display panel to the display back-cover.
  • Using a Phillips 0 screwdriver, remove the 10 screws (M2.5 x 4.5) that secure the display panel to the display back-cover.

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Using a Phillips 0 screwdriver, remove the 6 screws (M2 x 3) that secure the display hinges to the display panel. Using a Phillips 0 screwdriver, remove the 6 screws (M2 x 3) that secure the display hinges to the display panel.
  • Using a Phillips 0 screwdriver, remove the 6 screws (M2 x 3) that secure the display hinges to the display panel.

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Carefully turn the display assembly around. Gently peel the display cable and disconnect the latch that is found under it.
  • Carefully turn the display assembly around.

  • Gently peel the display cable and disconnect the latch that is found under it.

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Once the display hinges are removed, your display panel is now ready to be replaced.
  • Once the display hinges are removed, your display panel is now ready to be replaced.

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Conclusion

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

Jeff

Member since: 02/15/2017

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