I recently found my computer monitor stuck in standby after booting up (the best case scenario after tooling around inside to fix it, the motherboard screen).
Prior my motherboard gave one long beep, and three short to let me know that the memory on my video card was bad (So the booklet said), so I replaced my Nvidia 6200 series with a NEW 8600 series.
The computer worked on it's initial boot, prompting for software for the new card, I declined since I planned to format and replace the old drivers.
Now, it seems no matter how many times I take it apart, secure, tighten, and switch around the the power cords (everything else is plugged in according to the booklet for my motherboard) the computer monitor does not advance past standby mode, even though EVERYTHING is connected and powered.
The only other information I can give is that prior the chipfan died, and I used to get a prompt to check it, skip, or go to setup. The local stores only offer a heatsink replacement (not fan), so I'm going to get by and disable the fan from the setup menu...
That is if I can ever get past standby.
1. Yes, everything is getting power. There is a delay to power down, which hints to this. When everything is not connected, I can press power and shut off within seconds.
2. Looking for another power cord.
3. Going to check another monitor tomorrow, if possible.
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There are actually a few things that can cause this
1. VGA/DVI cable unplugged
2. Monitor input settings wrong ..
a. for instance you are using the VGA (Blue) plug and the monitor is not set to auto or analog.
b.or white plug (DVI) is plugged into monitor set to analog.
A few worse case scenarios;
bad video card on /in computer
bad RAM on motherboard ( i have seen this a jillion times)
and the worst case is motherboard is toast..
Play with it and let me know what one it was..good luck
What is the source for the signal to the monitor? First, if the source is a computer, was the computer previously connected to a CRT monitor? If this was the case, you may have the wrong refresh rate as well as the wrong resolution being sent to the video port. Reconnect the computer to the old monitor (if possible) and reset the refresh rate to 60 Hz.
Next connect the monitor to the computer with both devices off. Then turn on the monitor and set it to the correct input (if needed). Then turn on the computer. Most versions of Windows should determine the best resolution for the monitor. (Some Unix versions and recent versions of the Mac OS will also automatically find the correct resolution.) If you are still getting the out of range message, you need to change the video resolution with a different monitor connected and then retry. Always turn on the monitor first.
For additional support, please add a comment with the specific monitor and source that you have. In a few cases, the video card/on-board video may not be able to output the correct resolution or lose the correct setting when the monitor or computer "sleep".
I hope this helps.
Cindy Wells (I've seen most "out of range" messages with several TVs that were connected to computers and turned on and set to the computer input after the computer booted up.)
It's a bad back light inverter. These models are NOTORIOUS for them. It's a simple fix for a technician and not very expensive. I fixed mine about 2 years ago and it's still going strong.
You can purchase replacement inverters and if you're handy with a screwdriver you can fix it yourself.
-=/ Daft Tech /=-
It sounds like your computer is putting the monitor in power save or sleep mode, and the monitor doesn't respond appropriately. The monitor might be faulty, or overheating. Make sure there is adequate ventilation around the monitor, and that it is clean and free from dust around the vents on the case.
Another thing to try is to check your computer's screen saver and power saving settings. Try turning off the "turn off monitor after [interval]" setting and see if the monitor still shuts off after several hours.