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UPS for Monitor

Tags:
  • Notebooks
  • Monitors
  • Components
  • Power
Last response: in Components
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September 4, 2014 12:16:42 PM

Hi everyone,

I am using my monitor(AOC 2436swa) and notebook on the same power outlet because my new room has only one power outlet and when I use them on the the same outlet my monitor flickers when I play games. I want to buy a ups to fix this but I don't know for sure if it will fix it. I didn't have any problems with my monitor when I used different outlets for my monitor and notebook.

So about this psu I want to buy, I will use it only for my monitor and I don't have a big budget. What do you thing I should get? I searched but I couldn't find a suggestion for using a psu just for a monitor.

Thanks in advance for you answers.

More about : ups monitor

a b C Monitor
September 4, 2014 12:30:12 PM

UPS (Uninterruptible power supply) or PSU (Power supply unit)?

Not that either will help you. At best, your power is poor quality and that causes flickering. If so, then a simple line conditioner may resolve things.

If you genuinely do not have enough power, then nothing can create energy where there is none. Most UPS systems only have battery backup for at most 5-10 minutes. More than that and they become insanely expensive.
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a b C Monitor
September 4, 2014 12:36:37 PM

If the monitor takes too much power the ups charging plus the monitor will take even more power.

Something is very strange. I have 3 computers 2 monitors 1 cable box a set of speakers and 2 ups boxes and 2 external hard drives all sharing the same breaker without any issues.

I am very surprised you are having this issue since monitors now are very power friendly(unlike my S-PVA CFL lit power sucker.).
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September 4, 2014 12:43:20 PM

I live in Turkey and yes my power is poor quality unfortunately. Yes I meant UPS sorry for that. I don't think my power is not enough, though. Because I sometimes use my notebook and electric heater with no problems on the same power outlet and as far as I know an electric heater uses alot more electricity then a monitor...
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a b C Monitor
September 4, 2014 12:52:22 PM

The power use of the heater is most likely higher than many desktop pc/monitor combinations.

If it is a power quality issue, you may want to look at a power conditioner as the user above recommends.
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September 4, 2014 1:05:18 PM

the thing about power conditioners is that I can't find any on turkish sites and the ones on other sites are too expensive for me. I thought UPSs also helped with voltage stabilization and because I have enough power to supply the UPS I thought it would feed the monitor with its batteries(and I don't care about how long it keeps my monitor on when the electricity is out). But unfortunately these are just theories and I am not sure about anything...
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a b C Monitor
September 4, 2014 2:15:44 PM

The UPS will only transfer to batteries when the voltage falls or it detects another need to. It may or may not transfer when you want it to.

You can set the transfer conditions.

Now a much more expensive type of UPS(Double Conversion) runs the inverter all the time and isolates the power in such a way that it is ALWAYS cleaning the power. The charger holds the load and it has no transfer delay when switching to batteries, but these cost quite a bit.

As you can see with the image below. Home Office and Business ups setups even allow a fair drop or rise in voltage by default. It can be set, but switching power supplies like those found in monitors should be able to tolerate quite a drop in line voltage and still run. I have my monitor running under 100 volts without issues(not that I would keep it like that).

Please note this is a 120volt ups, your area may have 230/240 volts. It is just to give an idea of the range. And they also have a setup to detect and filter some line noise.


If you did get a UPS and fix the problem, chances are the power filtering is doing the trick and not the fact that it is a UPS.
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September 4, 2014 2:22:52 PM

Then my only cheap solution will be to get a 20 meters cable... Thank you so much for your answers.
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a b C Monitor
September 4, 2014 5:59:28 PM

For just a monitor a long cable is ok(low power consumption), but 20 meters are plugs actually THAT far away.

I sure hope that fixes it and that it is not an actual wiring issue in the room. The computer power supply may be a bit more robust than the monitor one.
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a b C Monitor
September 4, 2014 6:08:15 PM

fckncamels said:
Then my only cheap solution will be to get a 20 meters cable... Thank you so much for your answers.


If it is indeed power quality issues, then using a different plug will not improve the issue. More pertinent is the strain on your computer's power supply under those conditions. You will have to do something to prolong the life of the computer as well.

It may well be that the issue you observe has something to do with settings on your computer or the graphics driver or something more relevant to the configuration you are using it in.

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