[SOLVED] Network disconnects frequently after buying new motherboard

[alrh479]

I bought a new B450 AORUS elite and the new pc keeps disconnecting randomly for seconds to minutes . I can't ping 8.8.8.8 when it got disconnect . but I see my network is connected in taskbar also it don't appear disconnected when i can't ping 8.8.8.8 .
Thing I have done :
1- Use Win10 Iso to reinstall windows (if it matters , "keep my files but not apps" option)
2- Reinstalling ,and Updating my network adapter
3-Check my network adapter on another pc (and it was fine no disconnects for a whole week)
4- Power & Options Setting and Max performance for network adapter (and i also turned off power management )
5-I also installed Linux (Arch) but the problem was still there
6-Increasing Signal to 75% (50% was even good before)
7-I changed my router channel (11 to 9 also it's 2.4GHz)
8- i checked different USB ports
9- I installed all of the drivers from official website . (AMD chipsets and ...)
10 - CMOS/Bios reset
also when my network drops , my mouse and keyboard are working
My Adapter is tl-wn722n v3
and i didn't have any problems with my previous Motherboard (X470)

Any ideas?

Sorry for bad English

 

[Ralston18]

Your English is fine.

Wireless connection: correct?

Look in Reliability History and Event Viewers for entries related to the disconnects.

Ensure that only one network adapter (either wired or wireless) in enabled on the new motherboard. In your situation, as I understand it, the wired network adapter should be disabled and the wireless adapter enabled.

Run "ipconfig /all" (without quotes) via the Command Prompt. Post the results.

 

[alrh479]

yes wirless connection via tl-wn722n v3
i'll check Event Viewers and Reliability and inform you

i also disabled other network adapters/
it's the result for ipconfig /all

   Host Name . . . . . . . . . . . . : DESKTOP-A30D34F
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Local Area Connection* 1:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
   Physical Address. . . . . . . . . : D2-37-45-72-FD-A7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #2
   Physical Address. . . . . . . . . : D0-37-45-72-FD-A7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wi-Fi:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : TP-Link Wireless USB Adapter
   Physical Address. . . . . . . . . : D0-37-45-72-FD-A7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::7919:a53f:1efd:530a%4(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.34(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Sunday, February 14, 2021 3:32:40 PM
   Lease Expires . . . . . . . . . . : Wednesday, February 17, 2021 3:32:39 PM
   Default Gateway . . . . . . . . . : fe80::ea37:7aff:fe8a:f51c%4
                                       192.168.1.1
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DHCPv6 IAID . . . . . . . . . . . : 63977285
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-27-B8-87-72-18-C0-4D-20-DF-13
   DNS Servers . . . . . . . . . . . : 185.51.200.2
                                       178.22.122.100
                                       192.168.1.1
   NetBIOS over Tcpip. . . . . . . . : Enabled

Thanks for answer

 

[alrh479]

I checked Event logger . I found this

The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID

i don't know if it's helpful

 

[alrh479]

after checking ping to 192.168.1.1 (Default gateway) and 8.8.8.8 (server) i realize that it's ISP problem not Motherboard nor Network Adapter