No longer working... let us know exactly what that means.
Typically there are segments missing, or dim. Typically it's the Z-strip ends are dirty. That would be the rubber thingy between the display, and the PCBA.
Lcd display screen was broken.
Stop being vague. “Broken” doesn’t say much more than “doesn’t work”. Can you please describe the fault EXACTLY??
I whipped out that rubber band with the alcohol
Do you mean you cleaned (“wiped”?) it with alcohol? (To whip something out means to pull it out to show it... usually referring to a guy pulling his dick out of his pants.)
There is a difference between 100% isopropyl (use it), and rubbing 70%... (the addition of 30% oil). Do not leave any dirt/fibers on the contact areas.
In rubbing alcohol, the balance of the alcohol content is
water, not oil. (70% alcohol, 30% water happens to be the best for disinfecting skin — even better than higher concentrations apparently — but indeed for electronics, a higher concentration is better.)