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The PC turns on but will not communicate with my sp flat screen monitor. The monitor says "VGA Input: No input signal" and then it says "Monitor going to sleep"

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Hi.

There are few things to check:

  1. Check the VGA cable if it is properly connected to both ends; to the computer and to the monitor itself.
  2. Connect the monitor to another CPU. If the monitor works with the new CPU, then it is the first CPU that has the issue. If you are getting same message with the new CPU, possible problem is either on the monitor itself or the vga cable.
  3. If the the CPU is the problem, re seat the graphics card. Make sure the computer is truly sending a display resolution that is compatible with a monitor and not set to display video for a TV. If necessary, service the computer to fix the video hardware or video drivers on the computer
  4. If the monitor is the problem, monitor might be damaged.
Hope this helps.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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