The first is a tube appear problem, lamp aging or short circuit can make screen dark, if it is tube problems, only to professional maintenance company in lamp aging and short circuit is rarely appears, aging general because long time use or in use process have collision (normal lamp life can reach 3 ~ 5 years), short circuit is caused by the metal shell screen more, screen shell have burst careful use can prevent short circuit.
One reason: motherboard problem
May be the computer motherboard no voltage or inverter and main board has a problem, such as aging and short circuit fault, usually the most fault can be repaired and don't have to change main board
The second is main board didn't voltage for Aspire 5738 inverter, mainboard has a problem, aging or short circuit will appear, most can repair, not to change the mainboard.
The second reason: screen line broken
Display screen line break will cause display screen dark, because the notebook is folding, so if we wrenched open and closed screen words will wear screen line even screen line broken. We need to pay more attention in use at ordinary times of.
The third is the inverter aging or burn out or inverter power connecting wire loosen, burn out, caused by inverter screen dark is more common, because inverter long-term work in high temperatures, the chip will be easier to aging or burn out
The third reason: inverter problem
The computer inverter aging or burn out or inverter power connecting wire loosen, fusing wait for a reason, because inverter cause screen dark more common. Display of the inverter long-term work in high temperatures words chip will be easier to aging or burn out.
The fourth is a screen line broken, is also often cause screen dark reason, because NB is folding, wrenched open and closed screen will wear screen line, and the frequent use of will be easy to cause screen line broken.
General graphics problems won't cause screen dark, most for flower screen or no show. Screen dark maintenance in addition to tube problem is to replace outside, in a piece of is not the original Aspire 4530 inverter may cause LCD screen adjustable brightness doesn't work (influence depending on the individual and decide), usually inverter is can repair.
The fourth reason: screen tube problem
Tube lamp aging or short circuit and other reasons will make screen dark, appear such circumstance we can put the notebook to professional processing or return factory processing, and lamp aging general it is because of long time of use or is in the use process have collision, and notebook screen internal short circuit may because the metal screen shell caused more, another laptop display screen shell have broken may also prevent short circuit.
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