One other note, make sure that the monitor cable is connected and tight on the back of the monitor.
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Monitor card problem "Please Check the Signal Cable"
When I go to turn on the computer, the monitor displays the following message: "Please Check the Signal Cable". Here is what I have done. I first made sure that the monitor was plugged into the right place in the computer (it is plugged into a monitor card). I then checked for bent pin and found no problem there. Next I checked to make sure the monitor card had not come unseated (this computer had just been moved from another state). The card looked fine to me.
As I was doing more research into this, I have found that the problem could be the mother board, unseated memory (but I should hear beeps if that was the case), or it could be the CPU chip or a bad monitor card. I did try and replace the monitor card with two others (one was a PCI slot and the other was a special monitor slot like the one that is already in the computer) that I thought worked (the cards worked the last time I tried it). I even tried a PCI monitor card. But still I get the same message on the computer screen.
I know this means that the monitor is getting nothing from the card. Is there anyone who has dealt with this problem before and can give me some tips on what I need to do to fix this problem. I am wary of buying a new monitor card since I tried two different ones and neither worked. I'm thinking it is another problem....unless there is something else you have to do when installing a new monitor card. Any ideas? Thanks.
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Answers
The fans run on 12v the power supply has 3 voltages 12v 5v and 3.3v. If you loose the 5v or 3.3v it can still act as if it is powering up. What happens is you don't get power to ram vga or cpu. this is why when the PSU dies or is weak you usually don't get any post warning beeps or video.
limited simple test.
http://peripherals.about.c
Power supply tester. Cost = $15.00
http://www.dealsonic.com/a
This is how I check a no post pc with out bios beeps. Remove All unnecessary hardware. But Cpu RAM and video card. Verify power supply is working (very important step). Verify System speaker is properly attached.
If no go and no beeps replace cpu with a known to work cpu or test on known working system
If no go and no beeps replace motherboard.
By now you should get POST or a warning beep of some type.
Be it ram or video.
Ok.....here is what I know after doing as wdr503 suggested. I made sure everything was plugged in and I still get the same response from the monitor. What I know for sure is this: I know the original monitor card from the computer works. I tested it with another computer.
Also, the CPU fan on the motherboard works and there is a red light that comes on when I power on the computer (the power supply fan also works)....so power is getting to the motherboard. The only thing this leaves me is that the slots the cards go into are what is causing the problem. Just to make sure of this, I have a PCI monitor card that I know works. When I tried this PCI monitor card the first time in the computer having the monitor problem....I only tested it in one of the PCI slots. I am going to try it in the other 3 and see if I get the same response.
Would it be possible that all the slots on the motherboard would not work because its old or had a dust problem or something else liek that but the motherboard still gets power? I don't really know if all the card slots are linked and if one goes bad they all go bad....or if they are somewhat independent of each other. Any ideas? Am I on the right track? Thanks for all the help!
Did you try testing the monitor itself on another computer?
It might well be that there is something that you cannot see wrong with the cable or that the monitor itself has gone duff.
This happens fairly often and since monitor prices are now fairly low it should not be too much of a problem to replace.
Griffon.
>>>"Also, the CPU fan on the motherboard works and there is a red light that comes on when I power on the computer (the power supply fan also works)....so power is getting to the motherboard."
You could still have a bad POWER SUPPLY. You will not know if it is good until you test it. Or use a known to work PSU.
The fans run on 12v the power supply has 3 voltages 12v 5v and 3.3v. If you loose the 5v or 3.3v it can still act as if it is powering up. What happens is you don't get power to ram vga or cpu. this is why when the PSU dies or is weak you usually don't get any post warning beeps or video.
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by: wdr503Posted on 2003-10-06 at 10:15:04ID: 9499490
Alrighty now, you said that the computer has recently crossed state lines.
Make sure that the computer is getting power, do the lights on the front come on? Do you hear the fans running inside the computer.
If this is good and still nothing, then you will need to go back into the computer and remove and reinstall all pci cards, agp card(video), all memory sticks, and the cpu itself( be very, very careful on this one). Make sure all the case fans and cpu fans are plugged in and working.
Try all this then let us know what happens.
Bill