ProDesk 400 G5 SFF Display Port not working

[Coover1]

I just purchased (at auction on Ebay) a ProDesk 400 G% SFF. To set it up, I connected it to a VGA monitor. It did not have a HD, so I placed a securely erased Samsung SSD in the machine and installed Windows 10 Pro. Everything seemed to go well. I even used HPs Support Assistant to update everything including the BIOS. 

I then connected the computer to an HDMI Monitor  with a cable having a Display Port connection at one end and an HDMI Port at the other. The result? "No Signal" (I know the monitor is working as I use it with another computer). I changed cables. Still No Signal. I tried with a television receiver through the HDMI port. No Signal. 

I've looked through the BIOS Q08 ver. 02.16.00 dated 04/16/2021 to see if there is a way to disable/enable the Display Port. Apparently, there is no such switch. 

Frankly, I can not properly use this machine for my purposes if it can not use the Display Port. Any ideas or suggestions would be wonderful. 

[Paul_Tikkanen]

Hi:

It could be anything. Probably a bad port..

Other than returning the PC, if you want a HDMI connection, you can buy a Nvidia GT 710 low profile video card.

4K MSI Nvidia GeForce GT710 1GB-1024MB GDDR3 PCIe Video Graphics HDMI VGA 824142126356 | eBay

[Coover1]

That is not a bad idea, a low profile video card with HDMI. As I was setting it up, I noticed that a vcard could be added, but didn't think of it when I found out that the Display Port didn't or wouldn't work for me. I'll think about this and, maybe do it by adding a card. Yes, it will add cost to the machine that I did not think  I had to pay, but I think it would be worth it. Thanks, Paul. 

[Paul_Tikkanen · Accepted solution]

You're very welcome.

Unless the seller is willing to pay the return shipping costs to refund the PC, you would have to pay a fair amount of postage to return it.   So you may as well invest that money into a video card.

Plus the hassle of returning the PC and finding another one if the seller only had one.