Yoga 2 13 : wifi hard blocked

Hello,
Sorry for my "English"..I'm French :-)
I bought recently an Lenovo Yoga 2 13 inch.
Since few days, Windows doesn't let me activate my Wifi card.
It is well configured...it's a REALTEK card inside.
I use now an USB ethernet adapter to have access to Internet (and to have the capacity to create a post on this forum ).
I don't remember exactly when this occured.
I think it was after the "tablet mode" but I'm not sure of that because I tried that before and that worked.
I tried a lot of solutions :
- Windows 8.1 option to enable the Wifi => can't be done, it writes that in "grey" color
- disable/enable the wifi card
- connect/disconnect the wifi card
- configurate an static ip address => cmd / ipconfig doesn't show the ip address, so that really means that the Wifi card is not activated
- auto-diagnostic Windows
- Windows device manager=> the card is well configured
- Windows system restore to a previous point where the wifi card worked => it is still disabled
- Lenovo system restore factory settings => it is still disabled
With this last point, I think the problem is at the hard level.
I read other solution using an Live Linux and using the "rfkill" command.
Result :
root@ubuntu:~# rfkill list
0: ideapad_wlan: Wireless LAN
   Soft blocked: no
   Hard blocked: yes
1: ideapad_bluetooth: Bluetooth
   Soft blocked: no
   Hard blocked: yes
2: hci0: Bluetooth
   Soft blocked: no
   Hard blocked: no
root@ubuntu:~# rfkill unblock all
root@ubuntu:~# rfkill list
0: ideapad_wlan: Wireless LAN
   Soft blocked: no
   Hard blocked: yes
1: ideapad_bluetooth: Bluetooth
   Soft blocked: no
   Hard blocked: yes
2: hci0: Bluetooth
   Soft blocked: no
   Hard blocked: no
I tried to unblock specifically the wifi card....same result!
The card is still "Hard blocked".
No change when I start again under Windows 8.1.
Any help is welcome...Thank you so much for your attention and participation. :-)
Solved!
Go to Solution.

mine has intel card and had the same issue. and i accidently fixed mine today.
I first tried with livecd fedora 20 , and tried rfkill method but did not seem to fix. tried to update the kernel but could not because the limitation of livecd.
then i tried to do full installation of fedora 20 to a usb, booted up with the usb , did kernel update, install rfkill, installed kernel-devel (which i planned to use for compiling ideapad-laptop fix ) then rebooted the laptop into new kernel.
When I was about to compile the ideapad-laptop fix that posted around the internet, i ran 'rfkill list all' to check the status, magically all blocks were gone, and my laptop wifi started working again. I don't have any logical explaination for what happened. just posted here hopefully it will help someone here.
i feel the agony everyone has with this issue, and lenovo support and response is extremely disappointing.
To summary what I did.
installed FC20 livecd to usb A
boot from usb A to do full install to usb B
boot from usb B , update kernek, install rfkill and kernel-devel
reboot from usb B with updated kernel
suddenly , 'rfkill list all' shows all blocks are gone.
still no logical explaination how this solved the issue.

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Laptop wireless hard blocked - hardware key does not toggle state

hello,
this is my 3d arch install. i kept notes, and followed them exactly and this time i've ran into an issue i just cannot seem to debug myself.
this laptop is the hp envy 4 1130us. i also have the hp envy 6t-1000 with arch installed and this is not a problem at all for that version of the computer (one is my personal the other is my work machine).
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so i went hunting on the wiki and here in the forums. nothing has worked. since, this was a fresh install last night i actually wiped the drive and tried the install again hoping i did something wrong, but with no avail. here's the debug messages:
[~]── - lspci -k (edited for brevity)
01:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0a)
Subsystem: Hewlett-Packard Company Device 1894
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)
Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
[~]── - ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
link/ether 28:92:4a:1c:0c:af brd ff:ff:ff:ff:ff:ff
3: wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/ether 68:5d:43:b1:d3:89 brd ff:ff:ff:ff:ff:ff
[~]── - ip link set wlo1 up
RTNETLINK answers: Operation not possible due to RF-kill
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[ 7.166700] iwlwifi 0000:02:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm
[~]── - dmesg | grep iwlwifi
[ 7.133763] iwlwifi 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 7.141638] iwlwifi 0000:02:00.0: irq 46 for MSI/MSI-X
[ 7.166700] iwlwifi 0000:02:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm
[ 7.245928] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUG disabled
[ 7.245934] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUGFS disabled
[ 7.245937] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[ 7.245941] iwlwifi 0000:02:00.0: Detected Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
[ 7.246078] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
[ 7.253731] iwlwifi 0000:02:00.0: RF_KILL bit toggled to disable radio.
[~]── - rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
so based on some of the output it looks like RFKILL is blocking it during the boot process. i tried to unblock it via the unblock all command, but that's only soft blocks. i'm really not sure what to try next, so i'm asking for help (before i throw my laptop out the window).
thank you in advance for any advice

yeah,
i was thinking that recompiling each kernel would be a huge hassle as well.
so i just booted 2 live usb disks.
the 1st, the arch installer - the wifi was still hard blocked.
the 2nd, debian / crunchbang. what's odd, is that in debian the wifi key light is while (enabled) but it's still blocked. if the press the button it turns amber (disabled), if i press it again it turns white again and is actually enabled.
it almost seems like arch is not "catching" the action keypress. the keyboard backlight key works out of the box, and so does the screen brightness keys. but i run xfce4-volumed to control the volume related keys. is there anyway to emulate the hardware keypress to even see if that's the issue?
-----------------[update]-----------------
so i decided to try and enable the rfkill unblock all service:
systemctl enable [email protected]
that alone didn't work, but... i booted into another os, enabled wifi, then hard powered off the laptop. when i rebooted into arch it seems to work now. it's a really hacky work-around. but i'll take it. i'd really like a proper solution, but it works for now i guess.
Last edited by xero (2014-07-24 19:34:53)

Can't hard block/unblock Atheros wi-fi card

Hi, since kernel version 3.6 I have a problem regarding my wi fi card: if I deactivate it from another OS I can't re-activate it, and when it is working I can't power it fully off (the led remains lighted).
So, it seems the hard block/unblock is impossible; if I use the key shortcut it's only soft-blocked (or unblocked).
I have a Asus eeepc 1215b, but the problem exists also on two others similar laptops; the involved card are the AR9285 and the AR9485 on mini pci-e.
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Thansk and sorry for any mistake

I checked on kernel.org changelogs between 3.5.6 and 3.6.11, and I found 4 references for ath9k:
1) The most interesting: https://www.kernel.org/pub/linux/kernel … eLog-3.6.1
ath9k: Disable ASPM only for AR9285
Currently, ASPM is disabled for all WLAN+BT combo chipsets when BTCOEX is enabled. This is incorrect since the workaround is required only for WB195, which is a AR9285+AR3011 combo solution. Fix this by checking for the HW version when enabling the workaround.
From wikipedia: "ASPM is a power management protocol used to manage PCI Express-based serial link devices as links become less active over time. It is normally used on laptops and other mobile Internet devices to extend battery life."
Maybe is this? BTW, the problem exists also with the AR9485...
2) https://www.kernel.org/pub/linux/kernel … eLog-3.6.3
ath9k: use ieee80211_free_txskb
commit 249ee72249140fe5b9adc988f97298f0aa5db2fc upstream.
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This commit is reducing tx power by at least 10 db on some devices,
e.g. the Buffalo WZR-HP-G450H.
4) https://www.kernel.org/pub/linux/kernel … eLog-3.6.7
cfg80211: fix antenna gain handling
commit c4a9fafc77a5318f5ed26c509bbcddf03e18c201 upstream.
No driver initializes chan->max_antenna_gain to something sensible, and
the only place where it is being used right now is inside ath9k. This
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decrease performance/range in some rare cases.
Rather than going through every single driver, this patch initializes
chan->orig_mag in wiphy_register(), ignoring whatever value the driver
left in there. If a driver for some reason wishes to limit it independent
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Any idea?

I hav installed mac os lion on my MBP 2011 model but it is telling me no wifi hard ware installed what do i do pls suggest me sumthing

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If AHT doesn't show any issues, your best bet would probably be to take it to the Apple Store. The AirPort (Wi-Fi) card may have been unseated from its original position. If there is a problem with the card Apple should be able to replace it for free.

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Manually upgrading Thinkpad Yoga WiFi card

Hey all,
I bought a TPY from Newegg, which shipped with the Intel Wireless-N 7260. The laptop finds and connects to my home network fine, but can't find my work WiFi network at all. I've tried a few different drivers to no avail. Would buying and installing the dual band version of this card, or getting the Dual Band Wireless-AC 7260 make a difference?
And if so, can someone double check that this is the right part? http://www.newegg.com/Product/Product.aspx?Item=N82E16833106190
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The model type number is 20CD-0033US S/N **********
Thanks in advance.
Moderator note: serial number removed for member's protection.
Solved!
Go to Solution.

Hello and welcome,
The whitelist requires the correct model and a Lenovo FRU number. That NewEgg card looks to be generic Intel and won't pass the whitelist.
The FRU's are available in the TP Yoga part list: http://download.lenovo.com/parts/ThinkPad/yoga_fru_bom_20131107.pdf
I'm having a hard time figuring out which one is dual-band. Hopefully someone else here on the boards can provide info. Price and availability is going to be an issue
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Z.
The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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Can I use a wifi hard drive/backup drive to access movies and music?

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WiFi Service Blocked

I am travelling internationally and after a week, I am suddenly no longer able to send or receive emails over wifi.
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Somone far clever than I, may be able to suggest a differnt approach; but fundamentally, no plan means no service.
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Time Capsule 802.11n WiFi Hard Drive 1TB

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Which wireless router will perform better XFINITY or my Time Capsule?
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Wifi is hardware disabled

Hi there,
In my Yoga 2 pro, the Intel wireless-n 7260 chip is hardware disabled when using linux.
I checked it with fedora, ubuntu and suse. The output of "rfkill list" is always the same:
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: yes
How do i unlock it?
I have a dual boot with ubuntu & win 8.1 right now.
Thanks
Michael
Solved!
Go to Solution.

For others with the same problem, here's how i solved it:
There is a module called "ideapad_laptop" that prevents the wifi module to start.
A good workaround is to disable that module by blacklisting it. This worked for me with Ubuntu and Xubuntu. This guy seems to have done the same thing on fedora.
Make a new file for your personal blacklist
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reboot and you are good to go!
To only disable the module without blacklisting it, do that:
sudo modprobe -r ideapad_laptop
Michael

Yoga 2 13 : wifi hard blocked

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