Chosen Solution

replaced screen on ipad mini, on the left side, about 1 inch of the screen is unresponsive. any idea what could be the issue?

It could be several things: It could be improperly connectedIt could be a poor quality replacement digitizer. If you’re buying the least expensive units, it is not uncommon to have a bad one.It could be a damaged digitizer connector on the logic board. Inspect it under magnification to see if any pins are damaged