Question about Dell UltraSharp 1702FP 17" Flat Panel LCD Monitor

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On/Off button iss stuck in the "on" position

What can be done to release the on/off button that is stuck in the "on" position? Thanks.

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Re: On/Off button iss stuck in the "on" position

I'm not familiar with this particular monitor, however I have had the same problem on other manufacturers monitors.

I am assuming that the buttons are on the front bezel of the monitor.

You will have to separate the rear and front cases. This is actually the toughest part of the job. I have a special plastic tool I made to help me separate the cases. I also use a large putty knife for prying. This helps to spread out any pressure and reduce marks left around the seams.

Once inside, it depends on how the case came apart. There could be a pcb mounted to the front bezel. There could just be a row of buttons on the bottom or side of the panel frame. Look for the actuators (plastic buttons) that contact the switches. Make sure they are seated squarely Check for any kind of spillage around the actuators. This can dry sticky and cause the actuator to stick in one position If this is the case, you will have to find a way to remove them and wash them. Use a cotton swab with a little soapy water on it to clean the holes in the frame where the actuators stick through.

Check around inside the unit and make sure everything is seated correctly, and that nothing is out of alignment enough to cause the buttons to be misaligned.

This is about all you can do. If it does not correct the fault, the unit will have to be taken to a service shop for a look. Expect to pay anywhere from $40 to $80 to correct a fault like this unless you have warranty.

Posted on Mar 27, 2008

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It can be something as simple as a faulty contact switch not releasing correctly.

Try this in order and post back the results.
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  2. Tap the button that activates the menu several times. Then tap between that button and the next button on the bezel. Do that on both sides to help release the button if it's stuck
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Hold the menu/ok button for ten seconds, to unlock the OSD.
If this doesn't solve the problem, then it's probably the button that got stuck.

There are two things you can do to repair it, but both require that you dismantle the casing, which voids any warranty.. so, if the monitor's still covered by the warranty, or if money is not an issue, have it repaired by professionals on an accredited brand shop (check your warranty details for more information on this subject).

If not, remove the casing, locate the menu button's contact switch on the circuit board, and try to release it using something thin like a screwdriver, x-acto knife, or set of plyers.
If this doesn't work, chances are the menu button is stuck on a loop, sending a continuous signal to the board (which keeps locking/unlocking the OSD).

If so, your only solution (other than take it to a repair shop) is to remove it, by prying it off with a screwdriver or set of plyers.
Of course, you'll lose access to the OSD features, but I guess this is better than to have a message stuck on front of your screen all the time..

This is a tried and working solution, since I had this problem myself (with a Philips 190B monitor), and solved it successfully, with this method.

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