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The Dell OptiMac Big Sur/OpenCore Thread - For 7020/9020 Optiplex Desktops

trs96

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Tried running the OptiMac today getting it set up for my daughter. Does any one have any insight on why Safari won't run Netflix and on Chrome it runs but buffers constantly? Internet speed isn't the issue. I have it hard wired to the router with 497mbps down. I'm also having issues with Kodi buffering bad. I can run both on my MBP sitting a couple feet from the OptiMac and it's on WiFi at about 195mbps.
I'm not a Netflix user but it's probably a DRM problem because you're using the Intel iGPU for graphics. The simplest solution for Netflix is to play content through a Roku, Google Chromecast or Fire TV streaming stick.


The 4K Roku + is selling for $29 on Amazon right now.

Chromecast 3rd gen is the same price but is only 1080p capable.
 
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Spent a couple of hours updating the 9020 SFF, I used the HackinDROM App to update OC to 0.7.2 then updated Big Sur to 11.5.2. I also installed my fan less Nvidia MSI GT 710, everything is working beautifully, I even have all USB ports working.

Update: After installing Big Sur and was happy with the performance and stability, I immediately replaced the SSD with a 500GB Samsung 860 EVO. Connected the old SSD, copied the EFI to the 500GB SSD and ran Big Sur installer from the old SSD. After installation I disconnected the old and restarted from the 500GB SSD, 1st time, fast and solid.

View attachment 526952
Mind to share wifi/bt card you use?
 
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Mind to share wifi/bt card you use?

I use a BCM94360CS2, dual band wifi and BT4 PCI card, around $43 on Amazon. I have a SFF with no internal USB header, but we can get round that with the BGG cable.

 
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This build is solid!, everything is just working, sound works, messages, airdrop and handoff, amazing guide.

Screen Shot 2021-08-19 at 9.17.36 AM.png
 
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@trs96 I tried hooking up a second display today. Both were connected to the DP ports. It didn't work, any tricks to that?
 

trs96

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Both were connected to the DP ports. It didn't work, any tricks to that?
They both work on my 7020 SFF. What kinds of monitors are they connected to ? Using any DP to HDMI adapters ?
 

trs96

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The 9020 SFF is the number 3 best seller in Amazon desktops today. The Mac mini will perform the best of the three, you'll also pay $418 more for it and the ports are rather limited. Ram is not upgradable after you buy it. The 9020 comes with 16GB that you can easily upgrade to 32. The HP AIO has a low quality 1080p LCD display that you are mostly stuck with. You can buy an LG 4K 27" display to connect to the 9020 and still pay less than what the HP costs. $241 + $268 for the monitor = $508 compared to $522 for the HP 24 AIO. The HP cannot run Big Sur either, a major downside for that AIO.


Screen Shot 18.jpg
 
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The 9020 SFF is the number 3 best seller in Amazon desktops today. The Mac mini will perform the best of the three, you'll also pay $418 more for it and the ports are rather limited. Ram is not upgradable after you buy it. The 9020 comes with 16GB that you can easily upgrade to 32. The HP AIO has a low quality 1080p LCD display that you are mostly stuck with. You can buy an LG 4K 27" display to connect to the 9020 and still pay less than what the HP costs. $241 + $268 for the monitor = $508 compared to $522 for the HP 24 AIO.


View attachment 528309
Thanks for the reply. I'm using 2 of these https://www.amazon.com/dp/B01GORJY4U/?tag=tonymacx86com-20 to 2 Dell 1907FPs for the moment. I'll upgrade the displays but that's what I had on hand to get going with. Both DPs work individually with either display at the moment. Where I run into issues is when I either boot with both plugged in or after boot plugging the second one in. Then I can't do anything but hard reboot.
 

trs96

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Thanks for the reply. I'm using 2 of these https://www.amazon.com/dp/B01GORJY4U/?tag=tonymacx86com-20 to 2 Dell 1907FPs for the moment. I'll upgrade the displays but that's what I had on hand to get going with. Both DPs work individually with either display at the moment. Where I run into issues is when I either boot with both plugged in or after boot plugging the second one in. Then I can't do anything but hard reboot.
I've never adapted DP to DVI so I'm not sure if that is the problem or not. You'll need to wait till you get at least one new monitor to be able to run 2 at once. Those Dell 1907 FPs were great monitors 14 years ago and it's amazing that they still work today. It is 2021 though and monitor tech has changed a lot.
 
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I've never adapted DP to DVI so I'm not sure if that is the problem or not. You'll need to wait till you get at least one new monitor to be able to run 2 at once. Those Dell 1907 FPs were great monitors 14 years ago and it's amazing that they still work today. It is 2021 though and monitor tech has changed a lot.
Are you running straight DP or DP to HDMI?
 
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