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OrbitKatsss
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Won't show anything on display

Pavilion slimline 400
Microsoft Windows 8 (64-bit)
I plug in the computer, the green light by the outlet turns on, I press the power button, computer turns on,but the led light doesn't turn on but the power button. I plug in VGA and it doesn't show anything on the screen. I tried it with HDMI, same thing
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OrbitKatsss
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Won't show anything on display

By the power button*
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OrbitKatsss
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Won't show anything on display

*update* I have the power button led working now but there is still no display, none of USB ports work
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HP Support Agent
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Won't show anything on display

Hi @OrbitKatsss,

 

Thank you for joining HP Forums.

I'll be glad to help you 🙂

As I understand the computer is powering on, however, doesn't have a display on the screen anymore. Don't worry as I have a few suggestions which should help to resolve this issue,

 

To provide you with an accurate solution, I'll need a few more details:

Have you made any software or hardware changes on the PC?

Was there any update/reset interrupted, recently?

When was the last time it worked (date)?

 

In the meantime, let's try these steps here:

 

Perform a hard reset on a desktop computer: 

  1. Windows 10 and 8: If Windows is open, click Start, click Power, then click Shutdown. 

    Windows 7: If Windows is open, click Start, then click Shutdown. 

    If Windows is not open and the computer has power, press and hold the power button on the computer until the computer shuts off. 

  2. With the power off, disconnect the power cord from the back of the computer. 

  3. With the power off and the power cord disconnected, press the power button on the computer for 5 seconds. The power light indicator on or near the power button might turn on briefly but then turn off. 

  4. Reconnect the power cord and turn on the power. 

Attempt a Bios Recovery

 

If the above steps work and the display turns on/if not, use an alternate monitor and then: Perform a hardware test to be on a safer side.

 

If the steps didn't work, use the below links for further assistance: Computer Starts but Monitor/Screen Remains Blank: Click here

 

Feel free to post your query for any other assistance as well,

It's been a pleasure interacting with your and I hope you have a good day ahead.

If you wish to show appreciation for my efforts,

mark my post as Accepted Solution.

And click on the Purple Thumbs up icon at the bottom of my comment.

Regards,

Jeet_Singh
I am an HP Employee

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