Question about Acer AL1714 17" LCD Monitor
"noisy vertical bars in the video" is indicative of 60 Hz AC component riding in with the video signal. Pls check that all connectors are snug and fit to where they are connected. It would do no harm to try to remove and reinstall/reconnect all cables. Additionally, try plugging in the monitor into a different socket/AC mains. Further, you may want to try and check your cable for any stray shielding or anything out of the ordinary.
Other than the above, could not suggest more easy user action. The alternatives are to try a different monitor to determine if it is the computer video card or the Acer 1717 that is in question; or try the Acer 1717 in another PC. It should be mentioned that some household appliances can also cause AC interference such as florescent lamps, wireless phones or even an electric clock.
Of course you can also try increasing your PC's Screen refresh Rate to anything other than 60Hz.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FixYa.
Posted on May 12, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Jul 05, 2015 | Acer Computers & Internet
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Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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