Question about Acer AL1916W 19" LCD Monitor
My monitor displays for a second at the change or on turn of/on and then turns black. So it shows starting bios, then for a second starting windows, once windoiws starts i can turn on and of and have it displayed for a second. Monitor is about 2 years old and it happened suddenly.
This is because the backlight is going out, and without it you can't see the image on the display. (If you look closely you can sometimes still make out faintly what's on the screen.)
The trouble is frequently because of capacitors in the monitor which fail. Often these parts (cylinder shaped, usually a couple of inches tall and an inch or so in diameter) have visible problems such as tops that have bulged or split, or brown leakage at the bottom on the circuit board. If you're adventurous, you can take the back off the monitor and check.
If you find any capacitors that look questionable, you can get replacements at Radio Shack or from online parts sellers. Capacitors have markings on them for their value in microfarads (abbreviated as mF or uF), a voltage rating, and a polarity. Some caps have the positive terminal marked and some the negative. Just note which goes where on the circuit board. Get replacements that have the same capacitance value, but a slightly higher voltage rating. They will be a little larger physically but should still fit, and under-rating is what usually causes the failure in the first place. Observe the polarity when installing the new parts.
This all sounds a little scary perhaps, but it's really not a difficult repair. If you're not comfortable with the idea of trying it yourself and you don't know any technically-inclined types who are willing, a TV or stereo service shop could do it. But with labor and their markup on parts, you might spend over half the cost of a new monitor.
Posted on Feb 22, 2009
Having this problem myself, (the monitor in question being little over a month old when it started) I've found a workaround.
Pressing the 'e' button at the bottom of the screen presents you with a few preset options. Scrolling back and forth between them a few times will keep the screen displaying 99% of the time.
Don't forget picking a preset you actually like. ;)
Posted on Mar 01, 2009
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Posted on Jan 02, 2017
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