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MoeLesterx
Paper Tape
Posts: 3
Registered: ‎04-20-2017
Location: CZ
Views: 557
Message 1 of 6

Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hello,

 

I have this problem while Im traveling for work to our second base.

There is only a Wi-Fi network that goes thru controller and AP. 

On first attempt I connect just as normal, but after 5 min. it disconnects me and it seems like the network dissapeared

for me. I have to restart the AP or my network adapter which is really annoying when it happens every few minutes. Also I noticed that something similar is going on on my home Wi-Fi, it doesnt disconnect me like in the first case, but it feels like it keeps reconnecting every few minutes (I have difficulties loading a video on youtube while on smartTV its not a problem or on any other device connected to the same network)

wifi.png

I tried

- uninstalling the driver and installing different one

- reinstalling current driver

- do this (https://support.lenovo.com/cz/cs/solutions/ht502846)

- bunch of other stuff

 

My spec

- Lenovo ThinkPad L440

- Windows 7 Pro SP1

- Wireless driver - Intel(R) Wireless-N 7260 (HW ID PCI\VEN_8086&DEV_08B2&SUBSYS_C2628086&REV_6B)

 

Thanks in advance

 

Reiter

 

Guru
Posts: 1,522
Registered: ‎05-29-2010
Location: SG
Views: 532
Message 2 of 6

Re: Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hi Reiter,

1. Have you tried installing Wi-Fi driver from Intel Website directly?

2. Have you tried toggling between Power Plans? (Power Saver to High Performance)?

3. Change Wi-Fi Adapter Settings
a. Go to Control Panel > Network and Internet > Network Connections, right-click Properties.
b. Click Configure

c. Click Advanced tab
- Roaming Aggressiveness: set as Lowest
- Transmit Power: 100%

Peter

ThinkPad X40 | ThinkPad W520 | ThinkPad T560 | ThinkCentre E73 SFF | Yoga 11s | Yoga 3 Pro | Yoga 900 | Yoga Home 900 | Yoga Tablet 2 Pro | Miix 2 10" | IdeaPad Y460p | IdeaPad K1 | 3000 Y300 | Vibe K5 Plus

Give kudos to reward people for their assistance | Mark thread solved if the solution works | I am an active volunteer, not an Lenovo employee

=====================================

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MoeLesterx
Paper Tape
Posts: 3
Registered: ‎04-20-2017
Location: CZ
Views: 498
Message 3 of 6

Re: Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hello,

 

I tried all three options, however it had no effect and I got disconnected every time.

 

I'm back at our central right now, Im going back next week, will report after that.

Till then I'm glad for every suggestion.

 

Thanks

 

Reiter

Guru
Posts: 1,522
Registered: ‎05-29-2010
Location: SG
Views: 479
Message 4 of 6

Re: Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hi MoeLesterx,

As you mentioned that other device does not have this issue, download and install Lenovo Solution Center, and do a diagnostic on the WiFi Card.

Peter

ThinkPad X40 | ThinkPad W520 | ThinkPad T560 | ThinkCentre E73 SFF | Yoga 11s | Yoga 3 Pro | Yoga 900 | Yoga Home 900 | Yoga Tablet 2 Pro | Miix 2 10" | IdeaPad Y460p | IdeaPad K1 | 3000 Y300 | Vibe K5 Plus

Give kudos to reward people for their assistance | Mark thread solved if the solution works | I am an active volunteer, not an Lenovo employee

=====================================

List of Sound Enhancement Thread

T520 | W520 ; Dolby ; IdeaPad Slate Tablet ; Yoga 3 Pro ; X100e ; Vibe Shot ; Yoga 900 ; P50 ; P40 Yoga | Yoga 14 | Yoga 460 ; T560 | P50s ; Vibe K5 | K5 Plus ; M0620 Speaker Mod ; Windows 10 / Windows Server 2016

MoeLesterx
Paper Tape
Posts: 3
Registered: ‎04-20-2017
Location: CZ
Views: 454
Message 5 of 6

Re: Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hello,

 

I launched the test and everything was OK.

I also waited till i get to this problematic place and did the test here, also everything OK.

The problem persists, I have to turn the wifi off and on every couple of minutes.

I believe there is somewhere in windows a log that may give more info. Any insights where I could find it?

 

Thanks

 

Reiter

Guru
Posts: 1,522
Registered: ‎05-29-2010
Location: SG
Views: 426
Message 6 of 6

Re: Thinkpad L440 Win 7 keeps disconnecting from specific wifi

Hi MoeLesterx,

You may want to try the suggestions on this link by Sarbin, the drivers you downloaded and installed could be overwritten by Windows Update. The stock drivers provided by Windows Update can be buggy at times on some machine type.

Peter

ThinkPad X40 | ThinkPad W520 | ThinkPad T560 | ThinkCentre E73 SFF | Yoga 11s | Yoga 3 Pro | Yoga 900 | Yoga Home 900 | Yoga Tablet 2 Pro | Miix 2 10" | IdeaPad Y460p | IdeaPad K1 | 3000 Y300 | Vibe K5 Plus

Give kudos to reward people for their assistance | Mark thread solved if the solution works | I am an active volunteer, not an Lenovo employee

=====================================

List of Sound Enhancement Thread

T520 | W520 ; Dolby ; IdeaPad Slate Tablet ; Yoga 3 Pro ; X100e ; Vibe Shot ; Yoga 900 ; P50 ; P40 Yoga | Yoga 14 | Yoga 460 ; T560 | P50s ; Vibe K5 | K5 Plus ; M0620 Speaker Mod ; Windows 10 / Windows Server 2016

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