@THRobinson
Received your PM with the requested "ipconfig /all" results. Per your request, I will not post the results here.
For the most part there is nothing in "ipconfig /all" that you need to be concerned about with regards to being publicly presented. Especially the somewhat misunderstood "Private IP addresses".
Exceptions being that your name (enough to peronally identify you) is shown in "Host Name". Another concern might be your network's name if that should happen to appear.
Some people worry about MAC (Physicall Addresses). However MACs can be and are being reused. MACs are useful in that the address can be used to identify manufacturers and products.
For example:
https://macvendors.com/
Not always helpful but can serve as a way of determing make and model information for network devices. MACs can be wrong or spoofed which in itself may help discover more about any given device with a MAC. Networked or not.
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FYI:
https://www.lifewire.com/what-is-an-ip-address-2625920
https://www.lifewire.com/what-is-a-public-ip-address-2625974
What you do not want to reveal is your public IP address. Easily found via googling "What is my IP".
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"ipconfig /all" is a basic tool for network troubleshooting. However it cannot be used alone as the information does not address the whole of the network. But "ipconfig /all" is a good starting point.
Here is what I noted via the ipconfig results that you PM'd me.
The PC is using a wired (Ethernet) connection. No wireless adapters are enabled on the source host computer . Only one network adapter: either wired or wirelesss should be enabled on any given host. There are some exceptions but I do not see that being applicable with respect to the posted problem.
Is the PC's Ethernet adapter Speed and Duplex set to Auto? "Ipconfig" does not show that information - however, if Speed and Duplex are not set correctly then problems occur.
The network router is the 192.168.1.1 IP address that is commonly used by many small networks including my own. Network subnet mask also being the normal expected 255.255.255.0
The PC is using the DHCP IP network address of 192.168.1.83 provided by the router. That address can and does change.
IP address lease time is only 24 hours. Not a technical problem per se. However, if you have admin rights to the router increase the lease time to at least a week if possible.
Disable IPv6. Problematic for many computers/networks.
Change the DNS Server from 192.168.1.1 (your router) to Google's 8.8.8.8. and 8.8.4.4 - there are other DNS server choices that can be made.
Is the NAS in question using DHCP or has the NAS been assigned a Static IP address? The NAS should have a Static IP address and that address should be reserved for the NAS (via the NAS's MAC) and not used by or available to any other network devices.
Lots for you to look at and consider. Do so and see what you can find and learn.
Then, if you feel comfortable doing so, update and post the "ipconfig /all" (with some redaction if you wish), the host name could be redacted to XXXXXX-PC as an example. And should be if that is relevant to your member name in full or in part.
Posting the "ipconfig /all" results will keep everyone following this thread "in the loop" and someone may spot something else of interest or concern. Or some error of omission or commission on my part.....
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Reading back:
Also you have both a router and an Access Point - correct?
You replaced a TPLink AC1200 with a TPLink AX3000 as an Access point.
What is now the router? How are router and access point connected?
Overall, something like this (feel free to edit and correct) with ----> indicating ethernet connections:
ISP === coax, DSL, fiber ===> Modem ----->[WAN port]Router [LAN ports]
LAN Ports ----> to PC, NAS, Access Point
Access Point ~~~ wireless ~~~> wireless network devices.
Access Point and NAS having Static IP addresses - correct?