Windows 10: WiFi speeds dropped drastically.

I was playing an online game when suddenly I got kicked out with a connection error. At first i thought that my WiFi went off but after checking my router-it was on. My phone also had signal and it was ok. I checked the performance tab and found out that my WiFi speeds dropped down to 0-100 kbps, and because of that my internet still said "connected" while being practically useless.-I still can visit google websites, ChatGPT and some other sites.-Apps don't load-My internet is perfectly fine on any other device-I tried moving my PC closer to the router but it didn't bring any positive results-

:)

 

WiFi speed drops to ZERO

The WiFi speed suddenly drops to ZERO. It fluctuates between the maximum speed and zero, and then finally sticks to ZERO. I have tried almost everything like troubleshooting, Re-installing the WiFi driver, Disabling & Enabling the WiFi driver, etc. I have
also tried to connect the same network with the Ethernet and it worked fine. Is this the software issue or some hardware issue?

 

wifi speed drops down

My wifi normal speed is 50 mbps which I get using internet speed test.After working for some time using chrome and retesting speed it shows about 30mbps.If I restart my comouter or disconnect thr wifi and reconnect I restore the 50 mbps but for unspecified time after that it drops again to 30 mbps and stays on this speed.

I checked background services including upgrade and stoped them with no success.

Every thing works normally at the lower speed.

thanks

yahya

 

Network speeds drastically reduced overnight.


Issue:Overnight my download speeds have dropped drastically on this PC. Other devices show typical speeds of 65 Mbps down and 10 Mbps up. This PC is showing roughly 5-7 Mbps down and 10 Mbps up on 5 GHz network and around 25 down and 10 up on my 2.4 GHz network. This is consistent over multiple tests and browsers of course.

Info:

• Windows 10-1511 Build 10586.164
• No firewall/AV enabled (Windows Defender disabled in GPEdit.)
• Linksys WMP600N Wireless adapter (802.11 b/g/n Dual band).
• D-Link DIR-850L router (802.11b/g/n/ac Dual band).

What I've tried/checked so far:

• Malwarebytes turns up nothing on full system scan.
• Task Manager / Resource Monitor shows nothing is using network out of the ordinary.
• Tried 4 different WLAN driver versions with the same results no matter which is installed.
• Ran TCP/IP stack reset (netsh i i r r).
• Reset winsocks (netsh winsock reset).
• Flushed DNS.
• Restarted PC.
• Powercycled router/modem.

Attempting Ethernet would be extremely challenging and I'm 99% certain this is specific to the WLAN adapter. Any suggestions or ideas would be greatly appreciated.