How to Fix a No-Inp...
 
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How to Fix a No-Input Signal Error in a Machine  

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admin
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Joined: 2 years ago
Posts: 63
11/03/2019 5:39 pm  

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If your monitor is displaying "No Input Signal," there is no image displayed from your Machine to your monitor. There are several possible causes for this error. To fix it, you must determine which component is defective, ranging from the cables that attach your monitor to your Back End to the monitor itself or even your Machines video card.

1.Turn off your Machine .

2.Unplug the cable running from your monitor to your Back end and plug it back in, making sure the connection is firm. The most common cause of this error is a loose cable.

3.If the monitor is still not displaying a signal after firmly reattaching the cable, the problem could lie with the cable, especially if the cable has visible damage.

4.Replace your cable (eg VGA,HDMI) with a new one.

5.Replace your monitor with another monitor if possible. If the "No Input Signal" error still appears, the problem does not rest with the monitor, but with your Back End of your machine(PC)

6.Open your Machines Back end case(refer the service manual ) and locate your video card. Remove the card and then replace it firmly in its slot or, if possible, insert the video card into another slot on your motherboard. A video card that is not making a firm connection will not display images to the monitor. Close your case and test the monitor again.

7.Replace your video card completely. Your video card may suffer from internal damage that is not allowing it to output a signal.

Tips

  • If you are still not receiving a signal even after replacing your video card, you may also need to replace the computer's power supply and, in a worst-case scenario ,your computer's motherboard.
  • If your Machine is still under warranty, arrange for an official repair before you open up your Machine. Often, opening your Machine yourself will void your warranty.

Warning

  • Always ground yourself by touching a metal object before touching any component in your Machine case. Failure to properly ground yourself can result in damaged components.
This topic was modified 2 years ago by admin

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