Acer monitor will only accept a video signal on every other start up. Once up, it's fine until the next power down and then system needs to restarted twice before it boots. I'm running an AMD K8Upgrade-VM800on an ASRock MB. I have tested the power supply, replaced the HD, Disabled onboard video and added a GeForce2 MX video card. Same problem. I'm hestitant to flash the bios, but I suspect it to be either the Bios or the processor. I am completely stumped. Help!
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Re: Acer monitor does not get signal every time
If anything try updating the video card drivers. That's what it sounds like, or the monitor is going. The next time the monitor fails to start, just unplug from the input and put back in. If it starts you are looking at a bad power booster on the board. You can also try pluging in another monitor or try that monitor on a different machine. This way you can eliminate which is bad. I had flat panels and crt's go on me and they usually start by this symptom. It shouldn't be the BIOS, if it's been working right along, same with the processor, it either works or doesn't, it's a monitor scenario.
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Start up in "safe mode", Click "start" find "control panel" and click on to open. In your list(icons) find "device manager". Right click on , open and click on continue. Click on the box with + next to dispaly adaptors. You graphics card should be there. Right click on it and you should see "disable", if you see "enable" click on that. Right click on it again, then click on "properties". You should see a window with "this device working properly". If this does not help you please provide: Acer model #, what version of windows you're running and, Asus model #, at "add a comment"
Well, we know the monitor isn't getting a signal from the video connector cord, and possibly the video board. Try replacing the monitor with another- that will tell you if the video board and connector line are good. If you still have a problem, reseat the video board, and double check any other connections to it. Also, I guess it would help me to know the reason you took it apart, that is, if you were having some kind of problem to begin with, and what that problem was. The symptom is exactly the kind of symptom you would get if the video cord wasn't connected to the video board, and I would suspect the video board or wire- it's highly unlikely the monitor would go bad suddenly, just sitting there.
Usually, that red light is simply an indicator that the mainboard is receiving a 5volt supply from the power supply and you must NEVER install or remove any mainboard components whilst this light is on. In fact, dont touch the instde if the case or the mainboard if this light is on.
If you are getting a no signal on your monitor, try turning off at the mains and pulling the plug out, then touch the metal chassis of the case BEFORE you touch anything inside the case.
Then carefully remove your video card and re-install it into the same slot, you can even do this a couple of times. Then try booting the system up.
Also, check that both ends of the video cable are securely connected and that the cable appears undamaged.
I have to ask, Is the system booting up?
Are you getting a single beep at the start of the boot or is your system beeping more then once?
If it is beeping more then once, count the length and number of beeps and go to the ASUS website where you can use the beep code to locate the particular fault the mainboard is signalling about.
Let me know how things go and email me if you are still having issues OK?