Question about Dell UltraScan P1110 21" CRT Monitor

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Monitor displays signal cable disconnected

I have an Epro monitor connected to the ASRock mother board, it keeps displaying signal cable disconnected. I have changed the mother board but the problem persist. I have placed the same monitor on anothe pc it is working. Any help please

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  • Bri4n85 Jan 21, 2009

    mi monitor when i start say "cable signal disconect"
    how i can repair it please. im from venezuela
    email: Bri4n85@hotmail.com
    thanks

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  • 58 Answers

Check if motherboards you connect the monitor into has a video signal frequency range that the monitor supports.

Posted on Feb 13, 2008

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I have the VE278Q which is connected by display port, every time i turn off my computer and then turn it back on the monitor can't be found, I have to unplug the display port cable, unplug the monitor,...


when you say monitor can't be found did you mean the monitor has no reactions when you turn on your pc?

here are some test you may need to do to know which part is faulty
1. Turn on your computer, did it display the monitor's logo on screen? When it does monitor is good, when only blank screen it could be the vga cable or the video card.
2. See if the led indication lit. When it lit to steady green, it's good signal is coming in from the video card. It should be followed by screen display. If no display it could be the backlight inverter lamp busted or faulty inverter board. When lit green then turns red, no signal coming from the video card. Check vga cable if fix properly to both monitor and video card. Or may need to reseat properly connection of video card from the motherboard. If no led indication lamp, then monitor is dead. Check ac power cord for continuity using multitester. Check power supply section in the monitor, replaced bulged or blown capacitor with exact value, this components were the first to get affected when lcd monitor failed o turn on.
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go follow these steps and let me know which is closely to your problem so I can give you a good advise.

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THE MONITOR DISPLAYS MESSAGE-- NO SIGNAL INPUT


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I have connected the cables....no display


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Monitor starts then goes off, no signal


I would check the LCD against another monitor. It does not have to be a LCD, a regular monitor will do.
This will tell you 2 things, 1. The Video card is good or bad, 2. The Cable is sendinf a good signal.
If when you startup the monitor, you see a display and then after a few seconds it display's a no signal message, this is consistant with a Bad cable or cable ends. or Bad VGA card from computer.
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P.S. If you have move the PC, you may want to open the unit, and re-seat the Card. If the card is not making a solid connect on the board, it will display these syptoms.

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Monitor displays signal cable disconnected


Check your VGA connector (from monitor to PC), namely the pins in the connector. It's pretty easy to bend a pin, so that it doesn't make the connection. If you happen to do this to the connection present pins, then the monitor won't know that it is connected and will just display the message you are seeing.

Mar 15, 2009 | Dell UltraScan P1110 21" CRT Monitor

1 Answer

Monitor problem


Hi, sandjkroll, this kind of problem could be because of ur monitor or even because of the on board display  card on ur motherboard. To check ur monitor, u unplg display cable which goes to ur cpu and the power cable which goes to ur cpu. 
Them connect the power plug to mains, so no cable from the monitor should go to the CPU. Then u swithch on the the poower suply, and on the monitor. I
If ur monitor displays elongated screen still, and shows signal not found,and no display comes that means ur monitor needs to be send for service. and if there are no elongated screen and says no signal found, ur monitors fine, ur motherboad has a problem

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Monitor doesn't work


I'd try this monitor on a spare computer. It sounds like the video card (motherboard integrated or otherwise)is not putting out any video information or missing sync signals. The monitor must receive these signals or it will go into standy/sleep mode. If the computer has integrated (on motherboard) video, check your bios settings to see if it is properly enabled. If it has a slot video board, then try a different video board. Your present board might be dead. Another possibility is a bad cable connection. check the connectors for bent pins. Assuming the connector is the standard HDB-15, it is easy to bend a pin over.

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