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Extremely slow speed


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#1 Windbrand

Windbrand

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Posted 19 December 2015 - 04:53 PM

Intermittently, I'm getting extremely slow wifi speed. Google would literally take a whole minute to open while this website took 3+ minutes to open. Sometimes Chrome would simply give up and throw the "DNS not responding" error after a minute or so. Sometimes it would last maybe only minutes, but sometimes up to a few hours, very annoying. The times it happen seems to be random but most often at night (like right now). Oddly enough, my work laptop does not have this problem, nor does my iPhone (both on same wifi), so it must be something with this laptop.
 
Here are my specs:
 
- Lenovo Ideapad Y510P laptop
- i7-4700 2.4GHz
- 8GM RAM
- Windows 8.1
- Intel Centrino Wireless-N 2230
 
More from device manager:
eE5C2OU.png
 
Task manager, very low send/receive speed:
5rZTJWB.png
 
My signal strength is full at 6/6 bars and rarely drops. Restarting modem/router temporarily fixes the problem but within a day the problem will always come back. According to device manager my Intel Centrino 2230 is up to date.
 
Does anyone know what else I can do to fix this once and for all? Besides updating to Win 10 that is. I doubt that would even help and I have no short term plans to upgrade.

Edited by Windbrand, 19 December 2015 - 04:53 PM.


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#2 technonymous

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Posted 21 December 2015 - 08:31 PM

In your router are you using WPA2 TKIP+AES? If so set it to AES only. Try changing the channel.

 

Edit: If it's set to WPA2 AES try the opposite and change it to WPA PSK-TKIP or WPA PSK-TKIP + WPA2 PSK-AES


Edited by technonymous, 21 December 2015 - 08:41 PM.





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