Question about LG Flatron L1715S 17" LCD Monitor
When I turn on my computer and monitor, the monitor displays "Controls Locked" in a small box once. And whenever I try to adjust brightness or contrast, it keep displaying "controls locked." I checked the monitor, but there's no lock/unlock botton - What's up? -Thank you for your concerning!
This is a "feature" they include to prevent accidental changes to the screen setup. You should be able to unlock the OSD by pushing the Menu button and the right arrow button together for about three seconds. The message "controls unlocked" should appear. Let us know if you have any other questions and please don't forget to rate the posting.
Posted on Jan 31, 2007
It is not 3 seconds. It took for about 10 seconds.
Posted on Dec 04, 2012
Posted on Oct 29, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: 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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