Introduction
Using this guide, you can replace the motherboard in your HP Pavilion 14-bk061st laptop.
The motherboard is the central connection between all the components of a computer. A faulty motherboard can lead to the whole computer failing so it is important to keep good care of all the components in your PC.
Tools
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            Remove the three 5.7 JIS #1 screws from the bottom of the laptop. 
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            Remove the two 6.7mm JIS #1 screws from underneath the feet of the laptop close to the exhaust vent. 
 
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            Disconnect the two Wi-Fi and Bluetooth antenna wires by gently pulling them away from the board. 
 
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            Carefully grab the heat sink from any side and lift straight up while trying to avoid touching other components. 
 
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            Remove the nine cables from the motherboard by carefully lifting the black tab on each connector. 
 
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To reassemble your device, follow these instructions in reverse order.