hello, teacher , i've been using macbook @ school , connecting projector quite while no problems until today. today plugged in projector cord , image on projector screen dark , picture not sharp @ all. however, on mac screen looks good.
have not tried hooking pc projector yet see if projector problem or not. plan on doing later. however, leads me believe mac @ fault couple of quirky things display settings have been past couple of days. accidentally set picture background image- , set back, no problem. but, keeps switching unwanted image @ weird times! happens when turn off , on, , other times happen when exit , re-enter dvd player. i'm thinking whatever problem caused may linked projector image issue well.
i'm thoroughly confused. please help.
with projector, try looking option resets settings factory defaults. doing rule out problems projectors settings causing dimness.
can have friend/coworker connect computer projector , if problem continues, rule out problems mac causing dimness.
if dimness continues it's possible projector lamp going out. bulb, fail on time. need buy new lamp , replace it.
picture switching, thing can suggest check settings on computer, may have set switch automatically.
if work @ school there tech person in school or desk can call assistance? reason this living , we're lot better in person internet forum.
luck.
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