Question about Dell Televison & Video
I bought the monitor, the dell logo comes on then nothing. No buttons work and I don't have a remote. Its Locked somehow.
Just had a Similar issue with a tv at work, ended up being the video board needed replaced.
Posted on Apr 19, 2013
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Posted on Jan 02, 2017
SOURCE: Hisense LCD Tl2020
I, also, have the Hisense LCD 1504 and cannot turn it on with the original remote. I have to use the ON button on the side every morning. You have to hold this button in for a while then wait a while and presto, the blue button shows on the front and the picture comes on. If it fails to work the first try, just try try again. It does work for me this way. We had this same experience with the TV in our room at a Hotel where we were on vacation and the TV worked fine when we turned it on using the side ON button. It just takes a while for the picture to appear. Hope this clue will help someone.
Posted on Oct 12, 2008
without a remote and disabled keypad keys, the only other option, is to open the unit up a physically RESET the TV. remove the cables from the power board. i believe it has a phillips head screw. careful when you separate the rear cover from the front cover. there is a board screwed in the lower right corner, there is a connecter and a ground cable screwed to the rear cover. take your time prying on the rear cover. once you separated the two pieces, look for the light yellow board with your AC power source. Unplug it for 30 minutes and repeat the process. while your at it, also look down to the lower left side of the monitor. u should be able to see the keypad. press each button, while pressing, look to see if the button is pressing against the circuit board. it may be loose, try this test, u just may be able to fix your keyboard as well. hope this works out.
Posted on Jan 30, 2009
There is a button lock in the menu of the television. Using your remote access the menu screen and unlock the buttons.
Posted on Feb 19, 2009
if its a w1900 this is a known setting. Press the menu button on the right hand side of the TV (second button UP, just above power/standby. Now, WHILE THE MENU LOCK MESSAGE IS BEING DISPLAYED, press CH ^ and VOL - AT THE SAME TIME. Menu unlocked message should be displayed.
And you're done.
Might take a couple of tries - this tv/monitor is a bit fiddly...
Posted on Jul 20, 2009
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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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