2nd 1080p External Monitor Not Detected on Dell Precision 7730

I have been having an issue with my Dell Laptop since I began trying to have my 2nd external monitor set up with my laptop. I have tried to use an external USB 2.0 connection which worked fine on my HP i7-155U touchscreen but no matter what I did I could not get the Dell to recognize the monitor. The monitors are an LG and MSI 32" screens and they each work fine when installed separately through the HDMI port on the Dell. The problem is only 1 works on the HDMI port on the Dell board and neither will be detected through a USB port. I just bought a TobenOne Docking station in hopes that it was due to a lack of power to the USB port and I was hopeful that the powered docking station would help with the 2nd monitor not being detected. Unfortunately, when I connect both monitors to the Toben docking station neither monitor is detected. I am at a complete loss of what to do next I have considered changing the response rate on the monitors to see if that will address the problem but I do not believe that should be necessary since I know the monitors worked rather well when they were connected to the HP laptop. I have searched the forum and I saw more than a few posts where the 2nd monitor was not working following an update. I have not seen any situation like mine that have had the same problem without the updates so I am reaching out to see if anyone has a suggestion that I have not tried. I have had the drivers reinstalled on the Dell but that did not work.

When I go to the device manager I can see the new Toben connected to the USB 3.0 port that is the thunderbolt ports for c-USB devices. I shows as an ASIX AX88179 USB 3.0 Gigabit Ethernet Adapter. I have downloaded an Ethernet update (Install_USB_Win11_11022_20_02062026)but I have not installed it because I do not believe that is the problem. I have plugged an external speaker into the Toben and it is functioning fine so I know the Toben docking station is not the problem. The Toben is the 14-in-1 Dock with the 100W Power Adapter that supports 2 HDMI devices and a DP device and it is connected to the Thunderbolt c-USB adapter. It is a plug and play device so there is nothing more it should require of me other than to connect the monitors into the appropriate HDMI ports. The TobenOne model shows that it is compatible with the Dell Precision 7730 and it certainly should support both monitors. Now I did see where it says the monitor support is a single monitor up to 4K@60Hz, dual monitors up to 4K@30Hz and triple monitors up to 1080p@60Hz. Neither of the monitors are 4K -- each of the monitors are 1080p so I do not know if I need to change the frequency to 30Hz but I would think that is not necessary so it should not be a problem if both 1080p monitors are operating at 60Hz when they were being supported by the HP throught the USB 2.0 port at the same refresh rate.

The connection options for the Toben is 2 HDMI ports, 1 DisplayPort (DP1.4) and any combination of HDMI 1 + HDMI 2; HDMI + DP; or, all three ports simultaneously. The TobenOne says it works with monitors that have HDMI or DP inputs. Usually, from the literature the plug-and-play setup should work instantly with various monitors. Like I said I am stumped and I wonder if anyone else has had this problem, espeially when connected to a docking station?

Sorry no one has answered you. I'm not the best one to do so as hardware is not my major jam so I asked co-pilot.
The way I read the specs on your graphics card it has no display connectivity. It uses the output of the host mobile device and is limited to whatever ports your laptop provides. Of course, it also depends on what connections your monitor can use. It does not mention usb 2.0 as being an option

According to co-pilot here are the combinations that should work for that laptop. Hope something in it is helpful..

Option A — HDMI + Mini DisplayPort​

• 1080p, 1440p, or 4K monitors supported
• Works on all GPU configurations

Option B — HDMI + USB‑C/TB3​

• Use a USB‑C → DisplayPort or HDMI adapter
• Also fully supported

Option C — Mini DisplayPort + USB‑C/TB3​

• Same as above

Option D — Docking Station (Thunderbolt)​

• A TB16 or WD19TB dock can output two or more displays
• Some users have issues with docks, but direct connections are always reliable.

If a second monitor isn’t being detected​

here are the usual culprits:

• Wrong cable type (HDMI 1.4 instead of 2.0 for 4K)
• USB‑C adapter that doesn’t support video
• Disabled output in Windows Display Settings
• Outdated GPU drivers
• Docking station firmware issues