PCs Showing, but then NOT showing, under Network

I have a small network here, all 3 PCs are Windows 10 22H2, directly wired to the router, and have been for years. One PC - SERVER-PC - is the host for a few programs.

One PC [LENOVO-RT] was not seeing the other two PCs (or itself) even though Network Discovery was on (and automatic) and File & Print Sharing is also on all under Private Networking. Note, all 3 PCs show up as Media Devices.

After some hours of bringing them up to date with Windows, trying to reset the network on LENOVO-RT, File Explorer would show the folders under \\SERVER-PC\.

But here's what's WEIRD: In File Explorer, on the left-hand Navigation Pane, LENOVO-RT and SERVER-PC show up (but not the 3rd) and SERVER-PC only shows up after entering \\SERVER-PC\ in the Location field. But only LENOVO-RT shows up in the Contents Pane:


Seeking WOTL - Help!

PS - I deleted the image that shows below, but when I attached the more-marked-up-one, they both show (at least to me). What gives? How do I remove an image and not have it show up anyway?

File explorer's Network section has been unreliable for years.
Making your own shortcuts to each computer is reliable.
See, for example, One of the PCs on my Home Network disappears seemingly randomly - TenForums


All the best,
Denis

Robert,

I've used shortcuts instead of File explorer, Network section for ages.
I've arranged them all in a section of my Taskbar Toolbar - Taskbar Toolbars - Creating and naming, customising, moving [post #20] - TenForumsTutorials

And, about removing diagrams, see
How to Remove a Screenshot or Image from TenForums Post - TenForumsTutorials


All the best,
Denis

---

Welcome to TenForums.

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Robert,

There might be a time limit, I suppose.

I am not going to be around much over the next couple of days so here is what I would post if you did have a real network problem [as opposed to a File explorer, Network section bug].
A consolidated network setup checklist for Windows 10 and 11 - my post #4 - TenForums


Best of luck,
Denis