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Monitor is stuck on and cannot be turned off

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#1 Nlp00


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Posted 31 May 2018 - 06:58 PM

For a while now my monitor has been stuck on, pressing the power button causes the monitors settings menu to pop up rather than turn the monitor on or off, and it also does so at random on top of that. The monitor is an acer KA240HQ and any help would be much appreciated.

Edited by Nlp00, 31 May 2018 - 06:58 PM.

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#2 mjd420nova


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Posted 31 May 2018 - 07:48 PM

These newer flat panel units have a rudimentary processor inside.  Pull the AC plug, that will force the unit to "reboot". and things may return to normal.

#3 Platypus


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Posted 01 June 2018 - 01:01 AM

When an action randomly occurs as if a button has been pressed, and buttons perform the wrong action, there is leakage resistance on the button board in the monitor. Where the buttons are under the screen, this is commonly due to dampness from cleaning the screen running down onto the board, although occasionally the board material or a button mechanism can develop leakage.


The monitor has to be opened up to deal with it, if it's deposits on the board, it can be scrubbed down with isopropyl alcohol or electrical contact cleaner spray. If there's leakage developed in the PCB itself, the board must be replaced.

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