Introduction

Use this guide if the power and volume buttons on your Dell Venue 8 7840 aren't working.

Make sure your device is turned off. Leaving it turned on may cause an electric shock.
  • Make sure your device is turned off. Leaving it turned on may cause an electric shock.

  • Face the device with the screen towards you.

With a plastic opening tool, pry open the bottom right corner of the screen.
  • With a plastic opening tool, pry open the bottom right corner of the screen.

  • The screen is tightly attached to the tablet, so you may have to use a metal spudger to pry it open if the plastic spudger does not do the task.

Next, pry open the top left corner of the screen.
  • Next, pry open the top left corner of the screen.

Then, pry open the top right corner of the screen.
  • Then, pry open the top right corner of the screen.

Lastly, pry open the bottom right corner of the screen.
  • Lastly, pry open the bottom right corner of the screen.

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Once you have pried open all the corners of the tablet, carefully open the screen from the right side of the tablet.
  • Once you have pried open all the corners of the tablet, carefully open the screen from the right side of the tablet.

  • Do not try and open the screen from the left side of the tablet, because the screen is attached on the left side of the tablet; doing this can damage the tablet.

Once the tablet is opened, locate the connector.
  • Once the tablet is opened, locate the connector.

Disconnect the connector from the tablet.
  • Disconnect the connector from the tablet.

Unscrew the eight 7 mm Philips #1 screws.
  • Unscrew the eight 7 mm Philips #1 screws.

  • After the screws are unscrewed, you can take off the silver cover.

Using tweezers, disconnect the battery from the tablet.
  • Using tweezers, disconnect the battery from the tablet.

  • After disconnecting the battery, you can remove the battery from the tablet.

Using a plastic opening tool, pry open the left side of the tablet. Locate the power and volume buttons.
  • Using a plastic opening tool, pry open the left side of the tablet.

  • Locate the power and volume buttons.

Using a plastic opening tool, push out the volume button from the left side of the tablet.
  • Using a plastic opening tool, push out the volume button from the left side of the tablet.

Make sure that you hold the left side of the tablet open with a plastic opening tool so that you will be able to take out the volume button.
  • Make sure that you hold the left side of the tablet open with a plastic opening tool so that you will be able to take out the volume button.

  • With tweezers, pull out the volume button.

With a plastic opening tool, push out the power button from the left side of the tablet.
  • With a plastic opening tool, push out the power button from the left side of the tablet.

Just like the volume button, you want to make sure that you hold the left side of the tablet open with a plastic opening tool so that you will be able to take out the power button.
  • Just like the volume button, you want to make sure that you hold the left side of the tablet open with a plastic opening tool so that you will be able to take out the power button.

  • With tweezers, pull out the power button.

Conclusion

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

Donnelle January

Member since: 09/12/2016

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3 Guides authored

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USF Tampa, Team 6-5, Remmell Fall 2016 Member of USF Tampa, Team 6-5, Remmell Fall 2016

USFT-REMMELL-F16S6G5

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3 Guides authored

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