Question about Northgate (STAX2517C2) PC Desktop

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Monitor says no signal

My computer (northgate) turns on a blue screen comes up and says no signal or cable connections then the monitor goes to sleep and will not wake

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This could be a multitude of things. Firstly, check the connections from your computer to your monitor, unplug them and plug them back in, make sure the thumb screws that connect your monitor to your computer and nice and tight but dont use a tool to tighten them, hand tight is good enough.
If that doesnt work, then check that your graphics car hasnt been unseated from its slot, TURN OFF THE POWER to your pc, open the case and look at the graphics card inside. Push it straight back against the slot and that might help.Try connecting the monitor to another computer, although I dont think its a monitor problem. or borrow a monitor from another computer and try it. If that doesnt help then you can try a different graphics card, if you dont have one they are readily available from most major electorincs stores, or even most supermarkets with an electronics dept. Now if you do all this and it doesnt fix it then you will need to find a tech to have a look at it, Like I said at the beggining it could be a multitude of sins, a hardware error stopping the computer from booting and that requires a little technical knowledge

Posted on Aug 22, 2008

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Is your computer connected via the HDMI cable? If not pull up menu and change to another input type. If it is HDMI, check cable ends. You can test by plugging into a Blue ray player and see if video plays on monitor as a test method to verify video coming from computer incase your video card has died for some reason..
Your monitor is going into sleep mode since it can not see an HDMI signal coming across the input. Check your cable though.. sounds like the biggest culprit to me.

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Hope this helps some.

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I have a acer.x223w when,it powers up the.screem stays black, n i get a blue blinking light on.the bottom


I disagree with ikkenom only due to the symptom of the flashing blue light. This would indicate to me that the monitor is not getting any display signal and is in sleep mode at least the is what happens on my Samsung monitor. Used to be that they use a two color led in the monitor, green when ON and getting display signal and amber or orange when in sleep mode. I would check the computer by trying a different monitor. If you have a second monitor, great, if not, maybe a friend will let you bring your computer over and try the computer with their monitor. Could also be a display adapter setting. Do you get any change when you first turn on your computer? i.e. Do you get the BIOS or manufacturer screen when first turned on? Also if you disconnect the monitor cable from the computer and power cycle the monitor, do you get a No Signal display for a few seconds before the monitor goes black and the blue light starts flashing?

Let me know what happens with the testing above or if you need further instructions to carry out testing.

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If it goes in to sleep mode, that means that the monitor is not getting a signal from the computer.
The things to try (from simplest to most complex) are:

  1. Make sure the computer is on and not in "sleep" mode -- press the "Caps Lock" key and see if it lights up the caps-lock light on the keyboard.
  2. Make sure the video cable is connected from the computer to the monitor (that the cable hasn't come loose on either end)
  3. If your monitor has multiple inputs, make sure it's set to the right (probably analog VGA or DVI) input
  4. If your computer has more than one video output (like a laptop with it's internal screen plus the external monitor) then make sure the external monitor is enabled
If none of those solve it, post a comment back here and we can dive in to the more complex tests

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Monitor does not activate when computer is turned on - it goes blank - when you press a button on the front of the monitor it states that the computer is in in sleep mode press any key to activate - the...


Hello,
May be the problem comes from the Cpu.
Try to see if the cable from the monitor is firmly connected to the cpu.
One thing more may be the vga card is having problem.
Try to test the screen with another Cpu. Or the cpu with another monitor.
The amber mode is normal as the screen is not receiving signal from the cpu.
At times the memory chip also report this problem (no display or sleep mode)
Do hear any beep sound or any other Errors??
OK try this
Cheers Uttam

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No input signal


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No DVi input, then computer goes to sleep


I have a new HP pavilion slimline with Vista......a 19 inch flatscreen monitor......I went nuts with it not connecting and saying no DVI input......

I tried something and so far it has worked 10 times in a row...

start out with puter and monitor off.......turn on monitor.......let it go to sleep....then turn on puter....

I have the puter that has the start button on top of it.....not too crazy about it.....

hope this works for you.........Judy in NY

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1 Answer

Sleep mode


Does the monitor go to sleep when you unplug the video cable? If so, then the computer is still sending a signal, if not, check the monitor menu settings for no signal settings.

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