[Solved] Linksys EA8500 5GHz Unable to connect.

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blkt
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Joined: 20 Jan 2019
Posts: 5660

PostPosted: Sun Sep 11, 2022 13:40    Post subject: Reply with quote
Untribium wrote:
Killer Wireless-n/a/ac 1535 Wireless Network Adapter
blkt wrote:
https://www.dell.com/support/search/en-ua#q=Killer 1535
https://www.dell.com/support/home/en-ua/drivers/driversdetails?driverid=72yx8
Killer-Wireless-AC-1535-and-1435-Bluetooth-Driver_72YX8_WIN64_10.0.0.1238_A17_02.EXE
ho1Aetoo wrote:
This is a Qualcomm Atheros QCA61x4 card.
Tatsuya has one of these and uses it as an AP.

This is an AC Wave2 card.
It should work with 80Mhz and 866Mbit without any problems.
If not any bad drivers are used.

https://www.qualcomm.com/products/technology/wi-fi/qca6174a
http://en.techinfodepot.shoutwiki.com/wiki/Rivet_Networks_Killer_Wireless-AC_1535

one can only be surprised about the problems
Right QCA6174A but as Dell branded Killer 1535 a history of firmware and driver issues hopefully resolved by now.
I should mention can also search drivers by Dell Service Tag for laptops simlarly for Lenovo by their serial number.
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tatsuya46
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PostPosted: Sun Sep 11, 2022 19:27    Post subject: Reply with quote
blkt wrote:
Untribium wrote:
Killer Wireless-n/a/ac 1535 Wireless Network Adapter
blkt wrote:
https://www.dell.com/support/search/en-ua#q=Killer 1535
https://www.dell.com/support/home/en-ua/drivers/driversdetails?driverid=72yx8
Killer-Wireless-AC-1535-and-1435-Bluetooth-Driver_72YX8_WIN64_10.0.0.1238_A17_02.EXE
ho1Aetoo wrote:
This is a Qualcomm Atheros QCA61x4 card.
Tatsuya has one of these and uses it as an AP.

This is an AC Wave2 card.
It should work with 80Mhz and 866Mbit without any problems.
If not any bad drivers are used.

https://www.qualcomm.com/products/technology/wi-fi/qca6174a
http://en.techinfodepot.shoutwiki.com/wiki/Rivet_Networks_Killer_Wireless-AC_1535

one can only be surprised about the problems
Right QCA6174A but as Dell branded Killer 1535 a history of firmware and driver issues hopefully resolved by now.
I should mention can also search drivers by Dell Service Tag for laptops simlarly for Lenovo by their serial number.


just cause its a bad dell rebrand doesnt mean u have to use dell drivers, can still use better native qualcomm drivers as its the same hardware

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BrainSlayer wrote:
we just do it since we do not like any restrictions enforced by stupid cocaine snorting managers

[x86_64] Haswell i3-4150/QCA9984/QCA9882 ------> r55488 std
[QUALCOMM] DIR-862L --------------------------------> r55460 std
▲ ACTIVE / INACTIVE ▼
[QUALCOMM] WNDR4300 v1 --------------------------> r50485 std
[BROADCOM] DIR-860L A1 ----------------------------> r50485 std


Sigh.. why do i exist anyway.. | I love you Anthony.. never forget that.. my other 99% that ill never see again..

blkt
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Joined: 20 Jan 2019
Posts: 5660

PostPosted: Sun Sep 11, 2022 20:05    Post subject: Reply with quote
I would not be so quick to say native generic drivers work better, same chip but that is where similarities can end.
OEMs including HP Dell and Lenovo have a long history about locking in customers to use their flavor of hardware.
This is particularly true for branded wireless network adapters, and remember this is a vendor brand of a rebrand.
Killer brand name was aquired by intel and 1535 drivers are no longer available on their website redirect to OEMs.

QCA61x4A, QCA6174A searched, OEM results and two Dell flavors are available depending on product service tag.
@Untribium did not mention which adapters in Lenovo laptops, so one can enter laptop serial numbers over here.

Windows Update QCA61x4A 12.0.0.1257 Killer 1535 (old). Windows 11 link 1, link 2, disable prioritization, avoid.
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 12:45    Post subject: Reply with quote
blkt


Quote:
https://www.dell.com/support/search/en-ua#q=Killer 1535
https://www.dell.com/support/home/en-ua/drivers/driversdetails?driverid=72yx8
Killer-Wireless-AC-1535-and-1435-Bluetooth-Driver_72YX8_WIN64_10.0.0.1238_A17_02.EXE


Thank you, i updated to 12.0.0.722



How i did update: right-click on the Killer Wireless-n/a/ac 1535 Wireless Network Adapter and selected Update driver.

Quote:
Killer-Wireless-AC-1535-and-1435-Bluetooth-Driver_72YX8_WIN64_10.0.0.1238_A17_02.EXE


I also downloaded and installed this version of driver.It says 8 march 2022.

I installed and rebooted laptop but In Device Manager i still see 12.0.0.722 version of my driver but i did intall for 10.0.0.1238_A17_02.EXE




ho1Aetoo

Thank you for an explanation.

Quote:
This is an AC Wave2 card.
It should work with 80Mhz and 866Mbit without any problems.
If not any bad drivers are used.


"Bad drivers" - you mean an old? Yes i installed an old driver in the past because when i installed Windows 11 only old version of WI-Fi driver allow me to use Wi-fi network. With latest version my laptop did not see the WI-FI.[/quote]


Last edited by Untribium on Mon Sep 12, 2022 12:56; edited 2 times in total
ho1Aetoo
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Location: Germany

PostPosted: Mon Sep 12, 2022 12:55    Post subject: Reply with quote
You have installed a WLAN driver from 2018.
You should certainly install the latest driver and not a driver that is 4 years old.

But no idea I do not use windows.
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 13:02    Post subject: Reply with quote
ho1Aetoo

Quote:
You have installed a WLAN driver from 2018.
You should certainly install the latest driver and not a driver that is 4 years old.

But no idea I do not use windows.


Yes, i see. But this is what shown when i updated my driver...

As I understood blkt above explained to me how to solve this issue in Windows 10 or Windows 11 with my Killer Driver...
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 13:05    Post subject: Reply with quote
blkt, ho1Aetoo

I downloaded Snappy Driver Installer software for searching new drivers then i installed new Killer WI-FI drivers and it seems it's the latest version now.

blkt
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Joined: 20 Jan 2019
Posts: 5660

PostPosted: Mon Sep 12, 2022 13:12    Post subject: Reply with quote
Windows 11. This will an additional uphill battle. Make sure everything is updated first, maybe Microsoft drivers.

Qualcomm QCA61x4A 802.11ac Wireless Adapter 12.0.0.1257 Windows - Client, version 21H2 and later
Qualcomm QCA61x4A Bluetooth Windows - Client, version 21H2 and later both 2/23/2022

Edit: Okay it appears Snappy Driver provided same as Microsoft above, good thing I included Windows 11 links.
Edit 2: Apologies the Killer 1535 driver I provided is Bluetooth only so not Wi-FI and BT driver package my bad.
Edit 3: 12.0.0.1257 matches two additional dell drivers previously linked, this must be a critical Windows 11 fix.


Last edited by blkt on Mon Sep 12, 2022 13:47; edited 1 time in total
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 13:44    Post subject: Reply with quote
blkt, ho1Aetoo

After updating my Killer driver to the latest version 12.0.0.1257, i changed network mode to


AC/N Mixed in 5Ghz and it works. Rolling Eyes

But, when i changed Channel Width to VHT 80Mhz - it says unable to connect. And after 30 seconds 5Ghz disappeared from Wi-Fi.

When i choose in 5Ghz Channel Width: Full 20Mhz with AC/N mixed it works.
Edit: channel width: Dynamic 20/40Mhz also works for me in 5Ghz.
Edit 2:channel width: Wide HT40 also works for me in 5Ghz. (But I noticed that it takes longer to connect than to the previous channels, it takes longer to "check the network requirements".)
ho1Aetoo
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Joined: 19 Feb 2019
Posts: 2927
Location: Germany

PostPosted: Mon Sep 12, 2022 13:54    Post subject: Reply with quote
try 80mhz and channel 36+uu with AC/N or "mixed".
especially you have to be patient after pressing "apply".
This takes 2-3 minutes until the WLAN is restarted and the WLAN card has found the new WLAN.

Otherwise also activate syslogd in the tab "services".
In the tab "Status > Syslog" you can then view the log.
WLAN connection attempts are visible there.

Also, if you use 80Mhz, you must use the correct extension channels.
You can also configure wrong extension channels.

A list of valid channels can be found here >

https://wiki.dd-wrt.com/wiki/index.php/QCA_wireless_settings#Wireless_Channel

I recommend to test only the upper upper channels first (they are mostly identical to the UL LU LL channels anyway).
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 14:02    Post subject: Reply with quote
blkt

Quote:
Qualcomm QCA61x4A 802.11ac Wireless Adapter 12.0.0.1257 Windows - Client, version 21H2 and later

Quote:
Qualcomm QCA61x4A Bluetooth Windows - Client, version 21H2 and later both 2/23/2022


Thank you, i already installed 12.0.0.1257 driver (provided screenshot above), but it seems it's a bit headache here on Windows 11 to install this cumulative updates .cab files.

I don't have "install" option in the context menu (right mouse click) when i navigated to .cab files.

Probably i have to use some sort of this instructions. (I did not find on Microsoft website about Windows 11)

https://answers.microsoft.com/en-us/windows/forum/all/how-to-install-cab-file-in-windows-10/8b0140f8-ff43-4e5a-a34a-71c47ca688f0

https://www.tenforums.com/tutorials/66346-install-cab-file-windows-10-a.html

But i will try. Thank you for your time, blkt
blkt
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Joined: 20 Jan 2019
Posts: 5660

PostPosted: Mon Sep 12, 2022 14:08    Post subject: Reply with quote
You already have the drivers installed. ¯\_(ツ)_/¯ good luck. I provided those links for reference also see the edits.
Untribium
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Joined: 24 Jan 2020
Posts: 41

PostPosted: Mon Sep 12, 2022 14:13    Post subject: Reply with quote
Quote:
You already have the drivers installed. ¯\_(ツ)_/¯ good luck.


I am sorry i was confused a bit.

ho1Aetoo

Quote:
try 80mhz and channel 36+uu with AC/N or "mixed".


It works: Very Happy



ho1Aetoo, blkt, mrjcd, tatsuya46

Thank you all for your time and effort to help me! Smile
blkt
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Joined: 20 Jan 2019
Posts: 5660

PostPosted: Mon Sep 12, 2022 14:23    Post subject: Reply with quote
No problem, and I hope you can follow similar methods to update Lenovo laptop drivers and all should be well.
ho1Aetoo
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Joined: 19 Feb 2019
Posts: 2927
Location: Germany

PostPosted: Mon Sep 12, 2022 17:14    Post subject: Reply with quote
@Untribium

Now you just have to look in the network information or in the tab "Status > WLAN" if the client is also using VHT80.

down at Wireless Nodes the notebook should show VHT80 or VHT80SGI in the column "info" and a RX/TX rate up to 866Mbit.

You can also do a speedtest in the tab "services > speedchecker".
Normally VHT80 is pretty fast.

With bad reception also clearly over 100Mbit
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