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Introduction

This guide will show you how to replace the flex circuit in your Logitech K480 keyboard. A flex circuit is used as a connector between electrical components when saving space and flexibility are most important in a device. A flex circuit might need to be replaced if the components are not connecting properly or if the circuit is damaged. The circuit is fragile and easily torn or bent, so be gentle when handling it.

What you need

Step 1 Back Cover

Logitech K480 Flex Circuit Replacement, Back Cover: step 1, image 1 of 1

Flip the keyboard over.

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Step 2

Logitech K480 Flex Circuit Replacement: step 2, image 3 of 3

Remove the four rubber feet with a spudger.

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Step 3

Logitech K480 Flex Circuit Replacement: step 3, image 3 of 3

Slide open battery panel.
Remove the batteries.

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Step 4

Remove the three 4 mm screws under the rubber feet using a Phillips #0 screwdriver.

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Step 5

Remove the two 4 mm screws from beneath the battery cover using a Phillips #0 screwdriver.

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Step 6

Logitech K480 Flex Circuit Replacement: step 6, image 3 of 3

Starting by the dial, slide the spudger between the front and back panels until it lifts and snaps.
Slide a blue pick in to keep the pieces apart while you work on other areas.
Continue prying along the edges until you have enough opened that you can pull both pieces apart gently with your hands.
The loud snaps are the clips that hold the pieces together. They're not breaking and you do not need to be alarmed.

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Step 7 Metal Plate

Logitech K480 Flex Circuit Replacement, Metal Plate: step 7, image 1 of 3

Logitech K480 Flex Circuit Replacement, Metal Plate: step 7, image 2 of 3

Logitech K480 Flex Circuit Replacement, Metal Plate: step 7, image 3 of 3

Remove the eight 3 mm screws using a Phillips #00 screwdriver
Remove the five 2 mm silver screws from the metal plate using a Phillips #00 screwdriver.
Remove the single 4 mm black screw by the motherboard using a Phillips #00 screwdriver.