Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement

Introduction

Also known as the daughter card, piggyback card, or mezzanine board, the daughterboard is an extension of the motherboard. The daughterboard is typically connected to the motherboard via a series of cables. Similar to the motherboard, the daughterboard has pins, plugs, sockets, and connectors to be attached to other boards.

Particularly for this device, the daughterboard houses the USB port. If you find that your USB devices are not being recognized by the laptop, it may be time to replace the daughterboard of the device. Follow these instructions to remove and replace the daughterboard of your Lenovo IdeaPad Flex 5-1570 laptop.

What you need

Step 1 Back Panel

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement, Back Panel: step 1, image 1 of 2

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement, Back Panel: step 1, image 2 of 2

Remove the ten 5 mm Phillips #00 screws that are holding the back panel on.

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Step 2

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement: step 2, image 3 of 3

Use a spudger to pry open the back case at the two hinge cutouts.
Gently use the plastic opening tool around the edges of the laptop to pry up the clips holding the rest of the back panel.

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Step 3

Once all the clips have been disengaged, lift off the back cover.

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Step 4 Battery

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement, Battery: step 4, image 1 of 2

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement, Battery: step 4, image 2 of 2

Remove the two 5 mm Phillips #00 screws that secure the battery in place.

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Step 5

Lenovo IdeaPad Flex 5-1570 Daughterboard Replacement: step 5, image 3 of 3

Using your fingers, grasp the entire bundle of wires to pull the battery cable from its connector. This will cut off power to the motherboard.
Be sure to apply even pressure across the wires and connector to not damage the battery cable.
Remove the battery from the device.