When i turn on my monitor (connected to AC), its "on" light turns green when it is not connected to computer power. Normally it turns green when connected to a computer and working. Green is the default color for "no computer plugged in." When i plug my dell dimension xps p100c (the tower part of the computer) into the monitor, the "on" light turns yellow, indicating that the monitor is in sleep mode. Nothing comes up on the screen. When i plug my old MS-DOS computer into the monitor, everything works perfectly. My dimension xps p100c is running windows 95.
I'm just guessing, but it could be that the resolution you are using on your MS-DOS monitor is not compliant with the new monitor you are trying to use. Check the supported resolutions of the monitor that you would like to use, and then make sure you set that resolution before switching monitors.
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Do you mean the monitor's power light starts green and then turns orange when you turn it on? Most monitors will go to a power saving mode when they do not get a signal from the computer.
The Dell GX260 has a green power light when on. When the computer is off, the light is off. If it is green and blinking, then the computer is in a power saving mode.
Diagnosis: start with the obvious: is the monitor cable plugged into both the computer and the monitor (if not permanently connected to the monitor)? Are you connected to the active port? (You can add a video graphics card in most desktops. The motherboard video port usually needs to be disabled to use the card ports. If you plug in the monitor cable to the disabled port, it won't work.) Is the monitor set to the correct input? (This applies if the monitor has several ports. In that case, there will be a Source or Input button on the monitor.) Is the computer on? The GX260 has the power button on the front. (Other computers have the power button on the top.) There is also the power supply switch on the back which needs to be on.
Next try a different data cable between the monitor and the computer (if you can). Try a different monitor. If a second monitor works, than the monitor has a damaged main board. If the second monitor doesn't work, then the video graphics adapter has probably failed. Replace the add-on card, if in use, then boot in the safe mode to remove the old graphics driver. Then install the correct driver for the graphics adapter.
Note: the computer and the monitor should both be off when you connect the cables. Then turn on the monitor first and set it to the correct source before turning on the computer.)
When the monitor button turns to yellow that means the monitor is on standby mode. Try rebooting the the computer after you have connected it to your modem. If the light goes to yellow again check that the computer is on and that all the cables are connected properly. HP Computer monitors are a little confusing, Sometimes depressing the power button again while it is yellow will turn it on and should so green.
if the green light is on then the computer is powered up, i suspect u have a defective monitor, not that uncommon, the olny way to check it is have a computer repair shop hook it up to another working system and see if the monitor turns on, if it is the monitor just replace it, monitors are very cheap right now, just bought a 19" for $89.00, mine did the same thing, green light nothing on screen.
use the onboard graphics instead of a seperate graphics card (if installed) to test the screen.if it still doesn't work then unplug your monitor from the mains supply and plug in again to reset it. i doubt it's your monitor that is the problem though. but look on the back of your pc for another connection for your screen. the onboard graphics connection is normally vertical near your ethernet port and mouse and keyboard inputs.
The speakers wires are normally color coded if the computer isn't ancient, the Speaker PLUG is green, if you are using the speakers in the monitor, then plug the green one from monitor to green jack on back of PC, (Microphone plug and jack is pink/Red).
If you are using other speakers 3rd party, 4.1,5.1, the hookup is different usually, But I think you need green to green, there should only be one green plug on back of PC, It may be labled sound out. but yours is probably green.
PS you also need to kake sure the monitor speakers dont require their own Power Supply/ AC adapter, Most of them do, while some desktop and monitor speakers do not just connect the cord ffrom monitor to green jack, "sound out". If this helps, thanks for the feedback
Try Screen switch function to switch from Internal screen to External monitor to Both. Normally FN + F4 (on Compaq or FN + F7 on Lenovo check the Function symbols on your Keyboard: allow few seconds after command to refresh configuration. try Safe mode also. to check if display shows in VGA format.
it could be th epower supply and it could be the monitor.
power ON button should not flash orange regardless what you do. it should stay green. then orange. not orange to green to orange.
try the monitor on another PC if you can fine one.
the other thing is are the 2 monitor similar (CRT to CRT and LCD to LCD), you can't mix the the two, they will work but need different video driver to function correctly.
Ensure the video cable is connected (and connected to the correct video port).
Turn off the monitor using the monitor's power button and then restart the monitor.
Cycle the power on the monitor as follows:
Turn off the monitor. The power light on the monitor should be off. Leave the computer turned on.
Unplug the power cord.
Wait 5 seconds.
Plug in the power cord.
Press the power button on the monitor to turn on the monitor.
One of two things happens:
The image from the computer displays on the monitor and you can use the computer again. This indicates that the monitor was unable to detect that the computer had awakened from suspend mode. Turn the monitor off when it is not being used or disable suspend mode. For some computers, updating the BIOS corrects these types of suspend problems.
The power light on the monitor comes on but the screen displays one of the messages again. The monitor is not receiving a video signal from the computer that it can detect and use. Continue using these steps to adjust the Windows display resolution to the Monitor's native (default) resolution
Connect the monitor to another computer that you know is working to determine if the monitor should be serviced or replaced:
If the monitor displays an image from another computer, you know that the monitor works. Troubleshoot the video connection and graphics adapter on the computer.
If the monitor remain blank when connected to another computer, the monitor signal processing hardware may be bad. The monitor should be repaired or replaced.