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No video input after sleep mode

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Shaverguy Posted messages 10 Status Member -  
Shaverguy Posted messages 10 Status Member -
Hello,

I have acquired a new HP tower and a new Philips monitor. At startup, there are no issues, but when the monitor goes into sleep mode, a message saying "non video input, enter sleep mode" appears on the screen. After that, it's impossible to get an image on the screen when we turn it back on! The screen remains black with the mouse cursor visible but nothing else. I tried another VGA cable, and I don't have any other connection options at the back of the tower or the computer!
Has anyone had this problem before???
Thank you in advance and have a good evening everyone!

Configuration: Windows / Chrome 79.0.3945.88

8 answers

  1.
    jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    So it works?

    --
    The stone and the pebble sink at the same speed (an old Chinese proverb)
    6
    1. Shaverguy Posted messages 10 Status Member
       
      Yes, no problem! Thank you!
      0
  2. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    Well, change the cable and then adjust your settings on the screen!
    Maybe it will even be detected immediately

    (There are plenty of sub-references for the Slim HP destock 290)

    1
    1. Shaverguy Posted messages 10 Status Member
       
      Thank you! How do I make the adjustment? Instead of VGA, should I use HDMI?
      0
  3. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    Hello,
    does the error message display whether the computer is on or off?

    --
    The stone and the pebble fall at the same speed (an old Chinese proverb)
    0
    1. Shaverguy Posted messages 10 Status Member
       
      Hello, as soon as we put the screen to sleep or it goes to sleep automatically, the screen goes black and the message appears afterwards. I don't know if the whole computer is turned off or just the screen.
      0
  4. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    I think it comes from your connection.
    If you only have a VGA output on your PC, you need at least a DVI adapter for the signal to pass to your screen.
    It's strange that your PC only has a VGA output. Nowadays, we have all the connections: HDMI, Display Port, DVI, VGA (less commonly).
    Where did you buy it?

    0
    1. Shaverguy Posted messages 10 Status Member
       
      I bought the central unit at Auchan and the screen at Boulanger. There is indeed only one VGA port behind the central unit, but I have another free port behind the screen and I'm not sure if that's the VDI?
      0
  6. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    Can you tell me the reference of your HP PC? Because it seems to me like very old equipment!!
    Or very low-end and it can't keep up with the new connection standards!!
    It's surprising to sell such equipment!!
    Thank you

    --
    The stone and the pebble fall at the same speed (an ancient Chinese proverb)
    0
    1. Shaverguy Posted messages 10 Status Member
       
      It’s an HP Slim Desk 290.
      0
  7. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    A priori, you have an HDMI input. Check if your screen also has one??

    --
    The stone and the pebble sink at the same speed (an old Chinese proverb)
    0
    1. Shaverguy Posted messages 10 Status Member
       
      Yes, we have an HDMI cable that connects the CPU to the screen.
      0
  8. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    and yes

    --
    The rock and the pebble flow at the same speed (an ancient Chinese proverb)
    0
    1. Shaverguy Posted messages 10 Status Member
       
      I will try meco.
      0
    2. Shaverguy Posted messages 10 Status Member
       
      I've switched the input to HDMI instead of VGA, I tried putting it in sleep mode and I'm still getting the same message! It only does this in sleep mode.
      0
  9. jeanbern Posted messages 13740 Registration date   Status Contributor Last intervention   5 136
     
    Otherwise, does it work?
    How long does the standby take to activate?

    0
    1. Shaverguy Posted messages 10 Status Member
       
      After 30 minutes. In the end, I completely removed the HDMI cable and everything works now! The input was apparently switching to HDMI automatically when coming out of sleep mode.
      0