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Dell Venue 8 7840 Power and Volume Button Replacement

Dell Venue 8 7840 Power and Volume Button Replacement

Donnelle January and 2 other contributors

Last updated on May 7, 2024

10 minutes

Moderate

Introduction

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

What you need

Tools

Show more…

Step 1 Screen

Dell Venue 8 7840 Power and Volume Button Replacement, Screen: step 1, image 1 of 1

Make sure your device is turned off. Leaving it turned on may cause an electric shock.
Face the device with the screen towards you.

Step 2

Dell Venue 8 7840 Power and Volume Button Replacement: step 2, image 1 of 1

With a plastic opening tool, pry open the bottom left 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.

Step 3

Dell Venue 8 7840 Power and Volume Button Replacement: step 3, image 1 of 1

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

Step 4

Dell Venue 8 7840 Power and Volume Button Replacement: step 4, image 1 of 1

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

Step 5

Dell Venue 8 7840 Power and Volume Button Replacement: step 5, image 1 of 1

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

Step 6

Dell Venue 8 7840 Power and Volume Button Replacement: step 6, image 1 of 1

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.

Step 7

Dell Venue 8 7840 Power and Volume Button Replacement: step 7, image 1 of 1

Once the tablet is opened, locate the connector.

Step 8

Dell Venue 8 7840 Power and Volume Button Replacement: step 8, image 1 of 1

Disconnect the connector from the tablet.

Step 9 Battery

Dell Venue 8 7840 Power and Volume Button Replacement, Battery: step 9, image 1 of 1

Unscrew the eight 7 mm Philips #1 screws.
After the screws are unscrewed, you can take off the silver cover.

Step 10

Dell Venue 8 7840 Power and Volume Button Replacement: step 10, image 1 of 1

Tool used on this step:

Tweezers

$4.99

Using tweezers, disconnect the battery from the tablet.
After disconnecting the battery, you can remove the battery from the tablet.

Step 11 Power and Volume Button

Dell Venue 8 7840 Power and Volume Button Replacement, Power and Volume Button: step 11, image 1 of 2

Dell Venue 8 7840 Power and Volume Button Replacement, Power and Volume Button: step 11, image 2 of 2

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

Step 12

Dell Venue 8 7840 Power and Volume Button Replacement: step 12, image 1 of 1

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

Step 13

Dell Venue 8 7840 Power and Volume Button Replacement: step 13, image 1 of 1

Tool used on this step:

Tweezers

$4.99

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.

Step 14

Dell Venue 8 7840 Power and Volume Button Replacement: step 14, image 1 of 1

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

Step 15

Dell Venue 8 7840 Power and Volume Button Replacement: step 15, image 1 of 1

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.

Author

with 2 other contributors

Donnelle January

Member since: 09/12/16

429 Reputation

3 Guides authored

+10 more badges

Team

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

USFT-REMMELL-F16S6G5

3 Members

6 Guides authored

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