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An expert who has answered 20 questions.
Re: Daewoo computer monitor
You need to get your computer in the correct resolution and refresh rate to make the monitor work. It looks like the correct numbers for your monitor are:
Resolution: 1024x768 pixels Refresh Rate: 60 hz
You can change these settings in the display tab or display properties (In XP - right click desktop, click properties, under settings tab adjust resolution and then click advanced, the monitor tab, and make sure refresh rate is set to 60 hz)
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If your VGA connector is connected to a video card put it in your onboard VGA connector if the problem is still there. Remove the video card from your motherboard then boot on safe mode then adjust your video resolution. Here are some steps on how to boot in safe mode on your computer.
Turn on your computer.
Start tapping the F8 key. The Windows Advanced Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
Ensure that the Safe mode option is selected.
Press Enter. The computer then begins to start in Safe mode.
Right click on the desktop then click setting then adjust the resolution on lower resolution. The normal resolution for VGA is 640X480. Then click apply and restart the computer and in normal.
This normally happens when display resolution is changed to higher resolution and cannot be compatible/displayed by monitor. Either plug in another monitor and lower down resolution or Press F8 and go to advanced boot option and start your computer in safe mode and try changing display resolution. If it still doesn't works and you have the drivers for you display adapter (video card) then uninstall display adapter from device manager by booting in safe mode. Once you get to normal boot mode reinstall drivers for display adapter.
This is probably a video setting issue. In Safe Mode, Windows starts with low resolution and color settings, so the monitor can display them. But when it tries to start normally, Windows is using a video setting the monitor can't handle.
Start the computer and press the F8 key three or four times when the manufacturer's logo screen appears. This should get you to the Windows startup menu screen, and you can pick the option of starting in VGA mode. This will start Windows with video settings any monitor can handle.
Once you have Windows up and running, make sure the video card and monitor types are properly set up. It would also be a good idea to download and install the latest drivers for your video card. You can usually find them at the manufacturer's website.
Probably the video resolution or the monitor Refresh Rate (eg: 50/60/75 Hertz) is set too high in the operating system, which over-drives the monitor electronics and it is unable to display anything.
If you restart the computer manually (hold in the power button for 5 seconds, the computer will shut off, turn it back on again) you will see the normal BIOS and Windows startup display on the monitor, but then as Windows completes it's startup it returns to the error message you see.
To fix this, restart the computer manually and start the computer in Safe Mode. To do this press F8 just before the computer starts to load Windows, and choose Safe Mode. Once in Safe Mode, you should see the monitor working correctly.
Now restart the computer in Normal Mode and everything should be fine.
As I write to some other question: Run your system in 'Safe Mode'. Go to Display settings and set lowest possible resolution. Then restart computer and run windows again in normal mode. Should have normal screen. If this will not work - then under safe mode uninstall graphic card. Then run windows with standard ones and in LOWEST possible resolution install drivers again. I have had it many times and it made swear first time.
You have set a resolution that is too high or incompatible with your monitor.
I assume you are using Windows.
Turn the computer on and immediately keep pressing F8 on the keyboard until the 'Windows Advanced Options Menu' appears.
Use the Up and Down keys to select 'Enable VGA Mode'
Press enter and your screen will work again when windows starts.
Now go to the display properties and click 'Advanced' then click the 'Monitor' tab and tick 'Hide modes that this monitor cannot display'
OK everthing and now you should be able to adjust the resolution without getting a blank screen again!
Good luck and come back to comment soon.