At 06:25 PM 9/1/2017, you wrote:
Few things to check. Does this computer have power settings that let it go
to sleep or power off peripherals?

That was one of the first thing I checked to make sure the computer could not put the NIC to sleep

 Does it have a wireless nic or onboard chip that is not disabled.

It has two NICS. ASUS P9X79 I haven't disabled one but I will try that. My goal was to use the second NIC for just for VMware. But I haven't figured out how to do that yet.

When the computer won't connect to other devices what does it say if you open a CMD prompt and type ipconfig.

right now the computer will connect to other computers but not the printer. BUT other computers can not connect to it.
Windows IP Configuration

Ethernet adapter Ethernet 2:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Ethernet adapter Ethernet:
   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::99a2:69eb:8ef5:f489%9
   IPv4 Address. . . . . . . . . . . : 192.168.10.113
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.10.1

Tunnel adapter Teredo Tunneling Pseudo-Interface:
   Connection-specific DNS Suffix  . :
   IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6ab8:ca6:1cbd:3f57:f58e
   Link-local IPv6 Address . . . . . : fe80::ca6:1cbd:3f57:f58e%2
   Default Gateway . . . . . . .

Does the network address show up properly?  yes

Can you ping other devices?

On the other computers I get a I get a Windows cannot access.. check the spelling otherwise there may be a problem with your network. BUT yes I can ping the workstation from other computers that can not connect.

  Does the router show the device connected properly in the "Device List"?

I don't see the router at all under Device list... but it seems unlikely to be the router because all the other computers are working and I don't see it with my laptop either. I had to print today from the laptop because I can not print from the workstation to the network laser.

Once I loose complete connectivity to the LAN I will go through the list again.

thanks for the help!
m



I have virtual machines that do this sometimes and usually have to disable
then re-enable the network interface to fix things. I've occasionally had
to do this on windows 10 machines but usually only the boxes that have
multiple NICs

lopaka

On Fri, Sep 1, 2017 at 4:49 PM, Winterlight <winterli...@winterlight.org>
wrote:

> I have a personal home workgroup comprising of my primary Windows 10 PRO
> workstation, some LIVA mini computers I use with TVs and  some laptops and
> wireless phones. Wireless is handled by a UniFi AP-AC-Pro. I have single
> router plugged into a CABLE modem and into Netgear gigabit switch. I have a
> couple of network printers and a HDHomerun TV turner running on the
> network. This is a new house with a recent ... within the last three months
> ... setup. My primary workstation is a new clean install of Windows 10
> PRO.  The network works great EXCEPT for my primary workstation. It was
> working just fine and I do have a Acronis image file from that time = a
> month ago which I may be forced to restore but I would like to find a
> lasting fix for this.
>
> My workstation keeps losing network conductivity. One hour I think I have
> fixed the problem but 18 hours later I can't connect to other members of
> the LAN or the printer won't work, or lan members can't connect to the
> workstation but the workstation can connect to them. The workstation always
> has internet and that tells me that the hardware is working although I have
> swapped out and checked the switches. I have checked every setting on the
> NIC. I ran windows troubleshooter and it came up with a problem with the
> virtual network. I thought I found it so I completely removed VMware
> player. And it worked again ...but for a matter of hours. Then I just
> removed the NICs with their drivers, rebooted it reinstalled and everything
> worked but 17 hours later I can not print to the network printer, and while
> I can access other members of the LAN they can't connect to me.
>
> Any ideas? Is there software that can diagnose this? Should I just give up
> and restore my working backup? Thanks!
>
>

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