Recent Feedback
My HP 2509m LCD monitor is flickering and one half of the screen is brighter than the other.
Optional Information: Make: HP Model: 2509m Already Tried: unplugging power, factory reset, disconnecting and reconnecting the cable
Checking on whether the cable was connected was a good idea, I would have recommended that be done.As it is, it sounds as if your monitor has either a backlight or a power supply problem. In either case it will require a trip to (or being sent off to) a repair shop to fix the problem.I advise, first of all, going to http://h10025.www1.hp.com/ewfrf/wc/weInput?lc=en&dlc=en&cc=caand seeing whether your monitor is still covered by HP's manufacturer's warranty term.If you need further advice about this case, please let me know and I will try to help.
Experience: 7+ years of professional experience