crwdns2934241:0crwdne2934241:0 bill

crwdns2934249:0crwdne2934249:0:

1st - do a flashlight test to verify it isn't the backlight.

HPs are notorious for loose display cables. Open it up - remove KBD first - and reseat the cable.

crwdns2915684:0crwdne2915684:0:

open