This video shows how to repair an Acer H233H monitor. The steps include removing the front cover, removing the power button, fixing the spring back mechanism, and reassembling the monitor. Power Button. You’ll see the power button located at the bottom right corner of your Acer monitor, and it’s the first button you’ll press to turn your monitor on or off. This button is usually colored blue or white, and it’s easy to distinguish from the other buttons. To turn on your monitor, simply press the power button once. At CPR Cell Phone Repair, Acer Computer Repair Services repair services don’t have to break the bank. Our services are both fast and budget-friendly. Depending on the type of damage and the extent of the damage to your Acer Computer Repair Services, repair costs will vary. For an accurate estimate on your Acer Computer Repair Services, please. If you see a popup to confirm the change, click Keep changes to confirm. Then click Advanced display settings. Under the monitor name that is having the Input Not Supported error, click Display adapter properties for Display. In the popup pane, click the Monitor tab. In the Screen refresh rate, choose the recommended or default rate in the drop Fix Screen Burn-In on Your TV. Adjust brightness settings. Try turning down the brightness and contrast on your TV and watch some varied content; it might go away on its own. Enable Pixel-Shift. Many modern TVs have a built-in pixel-shift, or screen shift, which constantly moves the image slightly to vary pixel usage. Plug in an external monitor if your screen is entirely black. If the external monitor doesn’t work, your laptop may not be on, or it may be asleep or in hibernation mode. Plug it in, and make sure it's powered on. Update your video card drivers. If your screen isn’t completely black, but you do see visual defects, fixing malfunctioning A laptop repair technician may be able to diagnose and fix the issue, or you may need to replace the screen altogether. In conclusion, if your Acer laptop screen is flashing on and off, there are a few potential causes and solutions to consider. A hardware issue, such as a dirty screen, may be causing the problem, or it could be a software issue. Check Power Options. Go to Control Panel > System and Security > Power Options and check that your power options aren't affecting the brightness on your screen. While there, check that the brightness isn't automatically adjusted by your PC or laptop. Update your display drivers. Update your display drivers. Go to the power options from the start menu. Click on the Restart button while pressing the shift key at the same time. The system will now restart and boot into the recovery environment. Go to Troubleshoot > Advanced Options > Startup Settings. Click on the Restart button. The message “Input Not Supported” indicates that the monitor is receiving information from the computer, but not at a supported resolution or refresh rate. To ensure that the computer is sending the correct information to the monitor, start the computer in Safe Mode. Once in Safe Mode, ensure that the display resolution is set at the OpdyerL.