Replace the screen on the Why! NK50SZ

Introduction

This Guide (with the prerequisites) covers Screen removal and replacement on the Why! NK50SZ.

It is advisable to read through all the steps before you begin; if you get ahead of the instructions you may take a premature (and potentially damaging) action.

What you need

Step 1 Battery 1

Replace the screen on the Why! NK50SZ, Battery 1: step 1, image 1 of 3

Replace the screen on the Why! NK50SZ, Battery 1: step 1, image 2 of 3

Replace the screen on the Why! NK50SZ, Battery 1: step 1, image 3 of 3

Unlock the right latch and hold the left latch unlocked with your finger.

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Step 2 Battery 2

Replace the screen on the Why! NK50SZ, Battery 2: step 2, image 1 of 2

Replace the screen on the Why! NK50SZ, Battery 2: step 2, image 2 of 2

While holding the left latch, lift the battery from the slot under the right latch.

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Step 3 Cover

Replace the screen on the Why! NK50SZ, Cover: step 3, image 1 of 3

Replace the screen on the Why! NK50SZ, Cover: step 3, image 2 of 3

Replace the screen on the Why! NK50SZ, Cover: step 3, image 3 of 3

Unscrew the 6 screws, then lift the cover.

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Step 4 Keyboard (1)

Replace the screen on the Why! NK50SZ, Keyboard (1): step 4, image 1 of 3

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Replace the screen on the Why! NK50SZ, Keyboard (1): step 4, image 3 of 3

Remove the two screws (red circles).
Partially straighten a paperclip. (or use an appropriate tool if you have one.)
Insert the improvised tool into the orifice (red arrow) marked by the icon (red square)

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Step 5 Keyboard (2)

Replace the screen on the Why! NK50SZ, Keyboard (2): step 5, image 1 of 3

Replace the screen on the Why! NK50SZ, Keyboard (2): step 5, image 2 of 3

Replace the screen on the Why! NK50SZ, Keyboard (2): step 5, image 3 of 3

Insert the paperclip into the orifice to unlock the keyboard preparatory to removing it in the next step.

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Step 6 Keyboard (3)

Replace the screen on the Why! NK50SZ, Keyboard (3): step 6, image 1 of 3

Replace the screen on the Why! NK50SZ, Keyboard (3): step 6, image 2 of 3

Replace the screen on the Why! NK50SZ, Keyboard (3): step 6, image 3 of 3

Lift the keyboard, without removing it.
Locate the ribbon cable attaching it to the motherboard. (red rectangle)
After you open the latch, remove the cable (red arrow).
If it is a backlit keyboard, there is a second, narrow cable (see next step for location) that must also be unplugged. Failure to disconnect either or both before attempting to remove the keyboard can damage the cables and necessitate replacement or repair.
Now you can remove the keyboard.

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Step 7 Keyboard (4)

Replace the screen on the Why! NK50SZ, Keyboard (4): step 7, image 1 of 1

If you are replacing the original keyboard with a backlit one, you need to remove the adhesive strip and connect the second narrow flex-cable to the jack ( red circle).

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Step 8 Heatsink/Fan Assembly

Replace the screen on the Why! NK50SZ, Heatsink/Fan Assembly: step 8, image 1 of 3

Replace the screen on the Why! NK50SZ, Heatsink/Fan Assembly: step 8, image 2 of 3

Replace the screen on the Why! NK50SZ, Heatsink/Fan Assembly: step 8, image 3 of 3

You must unscrew the six screws (red circles) and disconnect remove the fan lead.
The assembly can now be carefully lifted out.

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Step 9 Bottom Cover/Case (1)

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (1): step 9, image 1 of 3

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (1): step 9, image 2 of 3

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (1): step 9, image 3 of 3

Disconnect the three ribbon cables (orange rectangles)
Remove the five screws (red circles)
Insert a pick between the edges of the upper and lower case and slide it as depicted.

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Step 10 Bottom Cover/Case (2)

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (2): step 10, image 1 of 3

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (2): step 10, image 2 of 3

Replace the screen on the Why! NK50SZ, Bottom Cover/Case (2): step 10, image 3 of 3

Continue with the pick to disengage the plastic 'clips' along both sides.
Remove the Bottom cover.

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Step 11 Motherboard (1)

Replace the screen on the Why! NK50SZ, Motherboard (1): step 11, image 1 of 3

Replace the screen on the Why! NK50SZ, Motherboard (1): step 11, image 2 of 3

Replace the screen on the Why! NK50SZ, Motherboard (1): step 11, image 3 of 3

Position the device keyboard down and peel off the adhesive strip (orange square).
Disconnect the cables (orange square) and remove the three screws (red circles).
You must also disconnect the antenna leads from the Wifi card (green circle) if it hasn't already been removed. It isn't necessary to remove the WiFi card to remove the motherboard. unless you are replacing it, of course.

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Step 12 Motherboard (2)

Replace the screen on the Why! NK50SZ, Motherboard (2): step 12, image 1 of 1

The motherboard can now be removed.

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Step 13 Right Speaker

Replace the screen on the Why! NK50SZ, Right Speaker: step 13, image 1 of 1

Disconnect the cable (orange square). Then peel off the adhesive (Yellow rectangle). Disentangle the leads from their routing.
Now you can remove the right speaker (red square)

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Step 14 Left Speaker

Replace the screen on the Why! NK50SZ, Left Speaker: step 14, image 1 of 1

Disconnect the cable (orange rectangle) and remove the left speaker (red rectangle)

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Step 15 DC Socket

Replace the screen on the Why! NK50SZ, DC Socket: step 15, image 1 of 1

Disconnect the cable (orange rectangle) and remove the two screws (red circles)

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Step 16 Multi-Function Board

Replace the screen on the Why! NK50SZ, Multi-Function Board: step 16, image 1 of 1

Remove the screw (red circle) and disconnect the ribbon cable (orange circle).

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Step 17 Top Cover/Case (1)

Replace the screen on the Why! NK50SZ, Top Cover/Case (1): step 17, image 1 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (1): step 17, image 2 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (1): step 17, image 3 of 3

Unscrew the three screws (red circles) and remove the big black plastic part.
Unscrew the screws (red circles).

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Step 18 Top Cover/Case (2)

Replace the screen on the Why! NK50SZ, Top Cover/Case (2): step 18, image 1 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (2): step 18, image 2 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (2): step 18, image 3 of 3

Remove the Black plastic part (as the red arrows direct) photo one.
Remove the two screws (red circles)
Lift the metal part (orange rectangle)

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Step 19 Top Cover/Case (3)

Replace the screen on the Why! NK50SZ, Top Cover/Case (3): step 19, image 1 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (3): step 19, image 2 of 3

Replace the screen on the Why! NK50SZ, Top Cover/Case (3): step 19, image 3 of 3

Remove the three screws (red circles) and remove the black plastic part.
Lift the metal piece (orange rectangle), unlatch the cable connector (green rectangle) and remove the adhesive-backed 'tape' (yellow rectangle).

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Step 20 Top Cover/Case (4)

Replace the screen on the Why! NK50SZ, Top Cover/Case (4): step 20, image 1 of 2

Replace the screen on the Why! NK50SZ, Top Cover/Case (4): step 20, image 2 of 2

disconnect the cable (orange circle) secured by the adhesive tape.
Remove the top Cover

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Step 21 Screen Frame (1)

Replace the screen on the Why! NK50SZ, Screen Frame (1): step 21, image 1 of 3

Replace the screen on the Why! NK50SZ, Screen Frame (1): step 21, image 2 of 3

Replace the screen on the Why! NK50SZ, Screen Frame (1): step 21, image 3 of 3

Insert a pick into the bottom edge of the frame and slide it as depicted. (red arrows)
Avoiding force, carefully unclip the lower part by hand.

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Step 22 Screen Frame (2)

Replace the screen on the Why! NK50SZ, Screen Frame (2): step 22, image 1 of 3

Replace the screen on the Why! NK50SZ, Screen Frame (2): step 22, image 2 of 3

Replace the screen on the Why! NK50SZ, Screen Frame (2): step 22, image 3 of 3

Heat the upper part of the frame with a hair dryer to weaken (soften) the adhesive tape beneath.
Do not heat in the same place for long, it is important to keep moving your focus to avoid damage. Try to spread the heat evenly.
Insert the pick under the top edge of the frame, slide it as depicted.
Remove the screen frame.

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Step 23 Hinges

Replace the screen on the Why! NK50SZ, Hinges: step 23, image 1 of 1

Unscrew the six screws (red squares), as well as the two (red circles).
Remove the hinges

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Step 24 Screen (1)

Replace the screen on the Why! NK50SZ, Screen (1): step 24, image 1 of 3

Replace the screen on the Why! NK50SZ, Screen (1): step 24, image 2 of 3

Replace the screen on the Why! NK50SZ, Screen (1): step 24, image 3 of 3

Run a hair dryer around the edges of the cover, as indicated by the red arrows.
Do not heat in the same place for long, it is important to keep moving your focus to avoid damage. Try to spread the heat evenly.
Carefully lift to remove the screen