Best practices on PC monitor usage advice sought?

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  1. Posts : 985
    Windows 10 Home 21H1
       #1

    Best practices on PC monitor usage advice sought?


    Hi,
    I have a 23" LCD monitor that has its own power adapter/brick that I use with my desktop PC as a Home PC. When I shutdown the PC overnight that obviously cuts the HDMI connection to the monitor so the monitor then goes to sleep. However, when in sleep mode the monitor power brick still has a green light that remains on and the power button for the monitor glows white, blinking on and off.
    I have the monitor and PC and other devices plugged into one of those inexpensive surge protection power strips without individual switches so I just leave the monitor in sleep mode whenever its not in use (overnight etc). Otherwise it would mean unplugging the monitor all the time when not in use. According to the manual, in sleep mode the energy consumption is <0.3 Watts so that's not a problem. Are LCD monitors designed to be used like this anyway...always on or on Standby/Sleep just like a TV?
    Does anybody know if Im causing unnecessary wear and tear by leaving the monitor in sleep mode instead of unplugging it? Am I shortening the life of the LCD monitor, the green light on the power adaptor or monitor power button because even though the monitor is in sleep mode those lights will still be on 24/7?
    How do other desktop users use their monitors? Other users advice , personal experiences welcome
    Last edited by sportsfan148; 15 Oct 2019 at 14:44.
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  2. Posts : 2,809
    Windows 11 Pro, 22H2
       #2

    Monitors are specifically designed to be used like this. In fact, the greatest stress on the monitor is actually when they are powered on and in use. So, no, there is no concern at all about allowing the monitor to enter a power saving state.
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  3. Posts : 1,169
    win10 home
       #3

    An alternative practical point of view,I have a Benq fp92w monitor which is now in the vintage era.Every shutdown,at least once a day,all power is switched off at the wall.
    No dead pixels,no other problems.The only noticeable effect is a reduced power bill.
    Sorry to have muddied the waters.
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  4. Posts : 17,368
    Windows 11 Pro
       #4

    It is no different than an LCD TV set. When you "turn off" a TV with the remote control, it does not actually power all the way down. It just goes to sleep. Otherwise, you would not be able to turn it back on with the remote, you would have to physically press a power button on the TV. The LCD computer monitor is the same way, except the remote control turning it on is a signal on the HDMI input.
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  5. Posts : 985
    Windows 10 Home 21H1
    Thread Starter
       #5

    hsehestedt said:
    Monitors are specifically designed to be used like this. In fact, the greatest stress on the monitor is actually when they are powered on and in use. So, no, there is no concern at all about allowing the monitor to enter a power saving state.
    I was just concerned that the monitor being always in Sleep mode overnight when not in use might cause a lot of extra wear and tear so the monitor might not last as long as it might if it was unplugged every night after shutting down the PC.

    - - - Updated - - -

    joeandmarg0 said:
    An alternative practical point of view,I have a Benq fp92w monitor which is now in the vintage era.Every shutdown,at least once a day,all power is switched off at the wall.
    No dead pixels,no other problems.The only noticeable effect is a reduced power bill.
    Sorry to have muddied the waters.
    I have done exactly the same thing myself in the past with previous monitors but because the monitor plug isn't so easy to get at to unplug when its not in use, I have just been leaving it in power saving/sleep mode instead overnight. There is a power button on the monitor itself. The trouble is, even when you turn the monitor off with the power button the green light on the power brick still remains constantly on so it still uses < 0.3 Watts whether in Sleep mode or if you turn the monitor off with the power button. So turning off with the monitor power button just seems pointless and would be just extra wear and tear on the monitors power button without much benefit at all
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  6. Posts : 1,513
    X
       #6

    On this computer (my wife's) the 20" Acer monitor has been turned on for eleven years.
    It's only off ...
    - by accident
    - by power failure
    - by spending several days on a truck when we moved here six years ago

    So ... worry more about your own health, and forget about the appliances.
    Both will fail someday, but the latter can be replaced for cheap ... with an even better version!
      My Computer


  7. Posts : 985
    Windows 10 Home 21H1
    Thread Starter
       #7

    margrave55 said:
    On this computer (my wife's) the 20" Acer monitor has been turned on for eleven years.
    It's only off ...
    - by accident
    - by power failure
    - by spending several days on a truck when we moved here six years ago

    So ... worry more about your own health, and forget about the appliances.
    Both will fail someday, but the latter can be replaced for cheap ... with an even better version!
    11 years and its still going strong!! So leaving the monitor powered on 24/7 (normal day to day usage and the rest of the time in Sleep mode) hasn't done it any harm whatsoever. That's good to know. Cheers mate
      My Computer


  8. Posts : 17,368
    Windows 11 Pro
       #8

    There is more "wear and tear" done on electrical circuits from the power on and off cycles, then from just humming along using 0.3 watts of power.
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  9. Posts : 2,809
    Windows 11 Pro, 22H2
       #9

    Just to expand on this a bit....

    The reason that modern monitors use so little power (0.3 W in your case) is that when the monitor is in standby mode, the monitor is actually OFF. The only thing that is on is a small portion of the circuitry. When that detects a signal it causes power to be restored to the rest of the circuitry.

    In other words, when a monitor goes to sleep, it's not much different from turning it off or unplugging it with the exception of the portion of the circuitry responsible for monitoring the input and waking the rest of the monitor up.
      My Computers


  10. Posts : 19,240
    W11+W11 Developer Insider + Linux
       #10

    CRT TVs and monitors had cathodes in boob-tube always warm when in stand by or "off" mode so they could turn picture on faster. Older, all tube radio and TVs had all cathodes running in half warm mode.
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