I have a customer that would like 3 monitors, for whatever reason.
The Dell 9020 is capable of this, and this is how I got it to work.
No additional video cards.
Using VGA and both display ports.
The customer has VGA monitors (as opposed to DVI)
So first, I bought two displayport to VGA cables:
I found it cheaper on their website: http://www.monoprice.com/Product?c_id=102&cp_id=10246&cs_id=1024609&p_id=6019&seq=1&format=2
Its running the latest BIOS (A03) and the intel 4600 video driver from Dell:
http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/optiplex-9020-desktop?driverId=1PRMJ&osCode=W864&fileId=3281932246&languageCode=en&categoryId=VI
No other changes were done in BIOS.
I had originally tried to use a PCI dual monitor card and the on-board, but this wasn't possible. So I had to remove the display driver and reinstall the Intel driver. After the reboot it worked and I now have display on all three.
Tada ( I tried to get the monitors cables and computer in the same pic)
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I have a customer that would like 3 monitors, for whatever reason. The Dell 9020 is capable of this, and this is how I got it to work. No ...
AWESOME! This worked perfectly. We have been messing around with this for a couple of days and didn't just try to plug up 3 monitors. Thanks
ReplyDeleteSweet, I'm glad I could help. I often forget real people read this thing haha.
Deletethe links you put up are inactive. Care to share them again please? I would very much like to connect a 3rd screen to my 9020
ReplyDeletethanks
Updated. Not sure why the go to link changed to blogger.com/null... weird.
DeleteTHANKS A MILLION! Without that driver, this would have not been possible. Funny its older than the one I replaced too.
ReplyDeleteI'am trying your solution !!!!!
ReplyDeleteIt really works, but i just use 2 monitors ! Thank you so so much for figure it out.
ReplyDeleteI have several users with this configuration, but have recently realized a problem. Periodically, the monitor connected via VGA will not wake up after having been to sleep. A reboot returns it to use, but it will likely do the same thing in the near future. Does anyone know why this would happen and what I can do to fix it?
ReplyDeleteI've had this happen on a few that are just using dual monitors using the VGA and the single display port or HDMI port depending on the model of tower. Dell 3010s and 3020s. I haven't really looked into why its happening because its been so sporadic, here's hoping they don't all fail at once :)
DeleteSo that needs to be done for the 3 monitors to work, is download the drivers from the above link, install and restart the computer and that should work? You don't have to enable anything else, anywhere?
ReplyDeleteIts been a while since I've done this, but I believe that was it. Flash BIOS and windows will see all three monitors.
DeleteHi -- writing on June 3 2020 and your post is still helpful! I am considering buying a used 9020 and will be running Linux Mint. Do you think I would be successful? I have considered the PCI option you mention but as you indicate that wasn't an option per your testing of it. Thanks! -Allen
ReplyDeleteI love Linux. I'm more an Ubuntu fan myself.
DeleteAs far as the three screens, it should work since it was a bios setting and not a windows driver issue. Let me know what you find out!
Will A05 work as well?
ReplyDelete