Question about Dell E171FPb 17" Flat Panel LCD Monitor
Flashing blue box with white padlock appears in middle of screen - won't go away - help - thank you.
I have this monitor,got it used at the goodwill, padlock problem and the control buttons (eccept for power) did not work. I tried every solution posted with no success. Then I got brave, I dove into the problem. 1) remove base, four phillips head screws. 2) remove the back, five phillips head screws. one in each corner and one behind the base mount, thus the need to remove the base. 3) carefully pry off the back, it snaps on, so take your time. I found a butter knife to be very helpfull. 4) The buttons are sodered to an electrical board whitch is snapped into place so carefully pry up from one side,again I used a butter knife. The wires are sodered to the board, they do not unplug. 5) Using a can of air, blow into each button and trying to clean out the inside them. I'm sure they should probably be replaced but we do what we can. 6) Put it all back together. 7) plug it in and connect it to computer. start working the buttons, at first I thought it was a lost cause but after about a minute I was able to get into the menue, scroll down using the arrow buttons and turn the lock off. A $300 monitor for 40 bucks. I hope this message gets to you before you give up. GOOD LUCK, GMAN8773
Posted on Nov 18, 2010
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Posted on Jan 02, 2017
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