crwdns2934241:0crwdne2934241:0 mike

crwdns2934249:0crwdne2934249:0:

Sounds like the ribbon cable has come loose or is defective.

They are about $5 to $25 depending where you buy it.

Here are some replacement guides:

https://support.lenovo.com/nz/en/solutions/pd030284

and a video:

https://support.lenovo.com/us/en/videos/vid100309

crwdns2915684:0crwdne2915684:0:

open