Q&A for How to Fix a LCD Monitor Power Problem

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My Acer LCD powers off after 15 minutes. I already changed the big capacitor but it didn't help. Do you have any other suggestions?

Community Answer

You may try re-checking the heat sink of your Secondary Diode and/or the Power IC.

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Question

My LCD monitor is brighter than normal and the pictures are changing slowly. What should I do?

XxN00B Slayer456456Xx

Community Answer

You may need to turn down the brightness of your monitor. Then put it in sleep mode. Turn off your computer. Then turn back up your computer, and monitor.

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Question

My flat screen LCD monitor is showing random colors. How do I fix it?

Community Answer

Invert colors may be on, so you may need to go into settings and deactivate it. If this doesn't work, contact your tech support.

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Question

It turns on then right back off! What should I do?

Community Answer

You will need to replace your computer's power supply.

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How do I remove ghosted images from my LCD screen?

Community Answer

If they are from the RMB menu (the menu from right clicking) and not burned onto the screen, try this: Win+R (the windows button and "r" at the same time), then type "tskill dwm" into the box that appears in the lower left.

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Question

What do I do if my computer monitor is just blinking and not displaying anything?

Community Answer

Check to see if your graphics card is working properly or at all. You can do this by testing it with another monitor that you know works.

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My Acer LCD Monitor is on but the CPU is on 10 seconds, then turns off. What can I do?

Community Answer

You need to connect both a power cord and HDMI cable to the computer from monitor, make sure both are connected.

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Question

My monitor isn't open. It is saying Analog Input, what can be the problem?

Community Answer

You need to connect both a power cable and a VGA/HDMI cable to the computer, it sounds like you only had a power cable working.

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Question

How do I fix a white line that's running from top to bottom on my LCD monitor?

Community Answer

That is either the monitor dying/having errors or your graphics card is out of date. Try looking online for updated drivers. If that does not work, your monitor might be old and dying.

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How do I fix my LCD monitor's heating problem?

Community Answer

LCD monitors are naturally hot, try keeping the monitor in an open space to prevent heat from building up.

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Question

My Acer LCD Monitor is on but the CPU turns off in 10 seconds. What can I do?

Rudy Toth

Community Answer

Go to Settings (Windows 10) click on > System > Go to "Power & Sleep" there you will find how to end the power mode savings.

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Question

My LCD TV turns on but there is no image. What should I do?

Rudy Toth

Community Answer

Try to push the F4 key on your keyboard. This is a switch key between one monitor to the next one that might be connected to your computer.

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Question

My Benq monitor powers on but everything is white, even though HDMI/or anytime isn't connected. it's just completely white.

Pratik Habib

Community Answer

The most common reason why a Benq monitor doesn't work is that a video card is defective. You can check the video card by looking in Windows diagnostics or by booting in bios and checking the settings. Another reason why a Benq monitor may fail is that the graphics driver needs to be updated or has become corrupted.

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Question

What do I do if I powered up my LCD monitor with reverse polarity?

Pratik Habib

Community Answer

If your outlet's polarity is reversed, it means that the neutral wire is connected to where the hot wire is supposed to be. There is always electricity flowing out of an outlet with reversed polarity, even if an appliance is supposed to be off.

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