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no keyboard/trackpad inside OS, but works in BIOS

i just took in this dell inspiron 7737

everything seemed to work fine except the trackpad wasn’t clicking. tracking worked fine.

i disassembled the laptop to clean everything out and see if the clicker offered any adjustment. no adjustment, but i cleaned everything out and made all of the connections.

now i have no input in windows. i can F2 my way into bios, navigate around in there, but as soon as OS loads, i only have the touch screen. i have checked and reseated all cable connections. the only thing i can imagine is that all of the case screws are needed to complete a ground circuit?

i don’t want to put this whole thing back together if it needs more work…

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allow me to answer my own question(s):

if the trackpad doesn’t click, then the trackpad doesn’t click. throw parts at it.

if the keyboard and trackpad aren’t working, fully assemble your machine, or at the very least, check the ground circuit because it appears to be incomplete without the case screws in place.

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Ronnoc Nailli will be eternally grateful.
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