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Press the Menu button ( marked OK) for one minute, or more, and a blue/red menu list should appear on screen.
Using the adjust button (immediately to the left of the OK button) by pressing the arrows at each end up or down as required you can enter the menu and select an action by scrolling.
At the end of the list of possible adjustments on the left of the screen (brightness, contrast, etc) is the Reset section.
On the righthand side of the screen is a flashing Yes No choice which automatically alternates.
The trick is to select the Reset choice on the left and while selected press the OK button when the Yes alternative on the right of the screen is flashing.
You VDU should then Reset and all will be well.
on Jan 20, 2020
try press menu key for above 5 to 10 sec.
on Nov 18, 2019
You must reset the on screen display in the menu. Hold down the Menu button for at least 60 seconds. A menu list will appear on your monitor screen. Using the adjust button, press the arrows to enter the menu. Scroll down to the Reset section.
On the right side of your screen, you will see an alternating Yes/No choice. When the Yes message flashes, press the Ok button. The menu should be reset and the flashing OSD control message should disappear.
I hope it helps.
If you would like to vote for the answer, this will help the others to see the similar problems solved and also will be a satisfaction factor for me to continue helping you.
All the best.
on Nov 06, 2014
Here's some tricks I would try...
1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or orange or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.
on Jul 31, 2014
Philips say "To unlock the OSD Controls press the “MENU(OK)” button for more than 10 seconds while there is video input from PC."
on Jan 27, 2014
did you press the menu button again?
on Jan 01, 2014
I had exactly the same problem. The volume up button was constantly on, causing the on screen display to be permanently displayed. Here is the solution to fix it. This will also work for any other front panel buttons that are misbehaving.
Note: If you monitor is still under warrantee, don't try and fix it yourself - just send it back.
If you open your monitor you will find a small circuit board with a row of microswitches mounted on it. This is the circuit that's causing the problem.
To open your monitor you will need to remove the stand (one plastic cover that unclips by hand and 4 screws that can be removed with a philips screwdriver). This will then reveal two additional countersunk screws that need to be removed.
You can now remove the front cover. There are 4 clips at the base of the cover that can be removed by hand. You then need to pry the cover off, starting at the corner next to the power button. This is really quite stiff and you need to use a reasonable amount of force. Don't worry about the loud cracking sound as each clip along the side releases.
Once the cover is removed you will see the circuit board with the microswitches staring you in the face.
This board needs to be replaced but if you want to fix the problem immediately here is what I did.
Disclaimer - Proceed at your own risk from here on in.
Plug your monitor back into the power and reconnect to your PC. Make sure it's on and still showing the same problem.
The curcuit board unclips and there is a 7 pin connector that also can be unclipped. Remove the board and undo the connector. You don't need to switch off the power.
After the board has been removed for a few seconds, the on screen display that was permanently visible should disappear.
Now I temporarily disabled the malfunctioning button by bending the associated pin on the connector 90 degrees and then reattaching the connector.
How do you know which pin is associated with which button. Trial and error. Simply bend down a pin, and reattach the connector. If the problem persists, unplug and try the next pin.
When you've found the correct pin, straighten the others and reattach the connector.
Clip the curcuit board back in, making sure the connecting cable is clear and doesn't get pinched.
Reassemble your monitor and you're good to go.
The next step is to order a new circuit board from Philips. These should be really cheap (I hope) and you now know how to fit it yourself.
I'm going to try ordering one tomorrow.
on Nov 21, 2013
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