HP Envy 311na 700: HP Envy 700-311na - no monitor output work

Hi, thanks for taking the time to read this.

No.: G9B05EA #ABU

Model n °: 700-311na

My PC works absolutely fine for the last two months, until what I tried to put on yesterday.  My problem is that my screen displays "signal found" despite my branch above Tower.

Start-up and testing:

  • When starting my PC I get the usual beeps and the Red led on it becomes as it normally would.
  • The wifi light is on as it should be, on the front of my Tower.
  • The usual flashing light also works as usual on the front of the tower.
  • The fans work properly when turned on.
  • My wireless keyboard and mouse are recognized as soon as a key is pressed or the mouse moves, like light blue on my connector USB lights up as it normally would.
  • The CD open/close readers as it should.

What I've tried so far:

  • Turning off and on again (no luck).
  • Remove the power cord from the computer and hold the power button for 15 seconds before reconnecting and powered it back up (no luck).
  • Connect my turn to another monitor via HDMI (no signal found error also on this one).
  • With the help of my usual PC monitor for other things (my xbox entry was detected immediately on the monitor via HDMI).
  • By using all the methods of display output 3 available with my usual monitor (DVI, HDMI, DP), none of them worked and all would result in no error signal on the screen.
  • Withdrawal/meeting the cables of the screen.  This does not give rise to my monitor to turn on as if is acknowledged the connection has been established to an output device, but once the display lights I get the usual error message ("this is the case with two DVI and DP connections, HDMI does not give me a lot of joy, but maybe it's because she's going through a ' 1 autodetect in 3 out" HDMI splitter.)  The separator acknowledges, that the HDMI is connected, but I get the normal red light that appears when a Powered HDMI is bound upward).

What I did:

  • Touched the BIOS.
  • Damaged the machine.
  • Disassembled the machine somehow.

I'm full of ideas on what else to try.  I had the PC for more than a year and has a problem similar to that in the first months of her own, I think it's something to do with the power supply cable (a friend looked for me), but he managed to make it work back again.  Unfortunately I am no longer able to contact my friend on this problem, so I am completely in the dark.  Help would be very appreciated (please avoid some specialized terms as I am a little one recruit across a company PC fixing).

Thanks in advance.

Hello

Thank you for your response.  Fortunately, I can offer you a solution to my own question!  In my view, a windows update 10 can occur during the last stopped that I made.  The update I think doing something to the BIOS that was the issue.

I did the following steps and managed to get the display to start working again:

  1. Turn on the computer and press the F10 key for eight seconds.

Tags: HP Desktops

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