Its stuck in test mode. it says monitor is ok but thats it. I tried to shut it down but the power button does nothing so i unplugged it. when i plugged it back in it should have stayed off but as soon as i plugged it in the tower came back on. also the cd and dvd drives dont even open at all. so as stated before the comp is stuck in test mode which is a black screen.
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Try to connect the monitor on other source for signal -laptop or other known working computer.if it posible.
Try with other rgb cable.Moust of monitor go tu stand by or power saving mode when is not presence of signal from computer(h-sync )
If monitor works ok on other source,than problem is in your computer(vga card probably)
1. Turn Off Monitor by pressing power button on LCD 2. Shut down computer 3.
Unplug power cable from LCD, Once power cable is unplugged from LCD,
press and hold down the power button on LCD for 15 seconds
4. Unplug the power cable from the back of Desktop Computer and Hold down the power button on desktop computer for 15 seconds
5. Plug the power cables back into the LCD and Desktop Computer
6. Power on computer and then power on LCD, it should work
Press and hold the power button for 5 seconds this will turn the system completely off wait 5 seconds then turn it back on as soon as it boots up go into power options in the control panel and click the option from power saver mode to do nothing as there is a fault with some computers that it gets stuck in power saver mode
Try using the power button, which usually takes the computer out of hibernation. Also, the mouse and keyboard can sometimes wake the computer from hibernation as well.
If the computer is still stuck in a hibernated state, hold the power button in for about 5 seconds so the computer fully shuts down and power it back on.
Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.
Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.
With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.
This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.
I didn't have the monitor connected to the computer, and that's why the power button was unresponsive. After connecting it, the solution above worked for me.(My KVM switch was set to a computer that was turned off)
Start your computer and tap the F8 key as soon as the computer begins to power-up. Keep tapping until you come to the Safe Mode screen. When the screen alerts you to the fact that you have chosen Safe Mode, click OK.
When you get to the desktop go to the control panel and launch System Properties. Go to Hardware and Device manager. Click the arrow next to the Display Adapter. Point at the adapter, right click and chooser Properties. Click the Driver Tab. Roll back the video driver to previous driver.
If indeed you have installed a new driver that is not compatible with your video card, then rolling it back to the original may very well take care of this problem.
The part where you see some color bars and blinking green led is what we call MONITOR SELF TEST. A diagnostic pattern consisting of four colors (red, green, blue and white) appears, and the LED flashes slowly. this happens when signal cable from the monitor is disconnected from the tower and leaving the power chord for the monitor plugged in. If the monitor works properly on a different computer. then its a problem with the computer's video card sending out signal. im 85% sure that its a problem with your video card.