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lenovo wireless card needs to be disabld then enabled to work

Posted on 2014-02-22
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Last Modified: 2014-03-03
Please can anyone help I have a Lenovo E320 i3 which has been converted to Windows 8.1

Every time I restart the PC the wireless card does not work and the device manager shows an "exclamation mark" on the card.
If I disable the card and enable it the "exclamation mark" disappears and the card works perfectly.
I have updated the bios, downloaded the latest drivers  but that has not helped, UI even called Lenovo Tech support and downloaded the drivers they suggested (which were the same!)
I have even swapped out the little wireless card from another similar laptop and that has made no difference.

Any suggestions for a fix or even how to do a DOS batch file to disable and enable the card
Thank
SAm
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Question by:samcory
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24 Comments
 
LVL 12

Expert Comment

by:Imtiaz Hasham
ID: 39879332
This shows the controller is faulty.  Nothing wrong with the card in my opinion.
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Author Comment

by:samcory
ID: 39879338
I take it the controller is an embedded piece of hardware that cannot be changed?
Is it possible to create a DOS batch file to disable and enable the card?
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Assisted Solution

by:Imtiaz Hasham
Imtiaz Hasham earned 501 total points
ID: 39879355
That's correct.  If it's less than a year old, you can get Lenovo to look at it, esp as you swapped the card which didn't help.

you can create a WMI string as a batch file (I am not a sw developer to string one).  As a network engineer, I have dealt with this issue on a Lenovo and we sent it back to be repaired.  The device was on-board and the whole motherboard needed replacing.

http://objectmix.com/dotnet/109242-can-i-use-wmi-c-disable-enable-device.html
http://msdn.microsoft.com/en-us/library/aa393964(v=vs.85).aspx
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Author Comment

by:samcory
ID: 39879373
Thank for your help
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Expert Comment

by:Imtiaz Hasham
ID: 39879375
Sorry I couldn't design the batch file for you.  I hope someone can help you with stringing one.  if you don't get someone by Monday, post it here & I will get one of my colleagues to design it for you.
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LVL 100

Expert Comment

by:John Hurst
ID: 39879653
I agree it looks like a hardware problem.

If the card is an Intel wireless card, you might look at the Intel site for Intel's driver for your card. I did that for my Lenovo X230 to alleviate some wireless errors in Windows 8 and 8.1.

However in this case I agree with the above that the problem is most likely hardware here.
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Expert Comment

by:nobus
ID: 39880290
i am not sure it is hardware; it could be corrupted OS
you can try sfc :  http://www.eightforums.com/tutorials/3047-sfc-scannow-command-run-windows-8-a.html
to be sure, install Windows 7 on a spare drive, and check if it happens also
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Author Comment

by:samcory
ID: 39880698
Ok Tried that and ran sfc-scannow  3 times (and rebooted each time) with no change.

I then did as you suggested and installed Window 7 and the wireless card is working perfectly, so the problem must be in WIN8 software somewhere
Any ideas?
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Expert Comment

by:John Hurst
ID: 39880844
Is the wireless card Intel or Lenovo (Atheros)?

I have an Intel card and I used the driver supplied by Intel (not Lenovo) and it works fine.
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Author Comment

by:samcory
ID: 39880909
It is Intel I will try it and let you know
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Assisted Solution

by:John Hurst
John Hurst earned 501 total points
ID: 39880921
I have the Intel 16.7 driver for Windows 8 for 64-bit from here:

https://downloadcenter.intel.com/Detail_Desc.aspx?ProductID=3316&DwnldID=23492&lang=eng&iid=dc_rss

I used the 16.5.3 driver before this one and they both work fine.   Good luck.
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LVL 93

Assisted Solution

by:nobus
nobus earned 498 total points
ID: 39881800
could be the problem lies in the updating of the PC - there are losts of updates to 8.1 being reported with problems; usually drivers, but i had one where installing the classic shell was the cause too. what OS was on it before?  windows 7?
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Author Comment

by:samcory
ID: 39881906
I downloaded the Intel drivers and they made no difference.
The previous software on the machine was Windows 7  the wireless card worked perfectly with that.

In WIN7 you had to press F9 to turn the ireless on and off. Now with WIN8 this key does not work , while the other function keys do. I cannot see anything on the Lenovo driver download to make the function keys work, maybe this is the problem?
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Expert Comment

by:John Hurst
ID: 39882162
Try starting with a bootable CD or a bootable USB (Lenovo Support Site) and see if the problem persists without loading the operating system. It could be a hardware problem.

If the system works booting it as per above, then Windows 8 may need to be Refreshed (go to PC Settings in Metro for that.
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Author Comment

by:samcory
ID: 39882194
I have done all the above re-installed w7 wireless card worked perfectly

reinstalled w8 and the problem came back
Did all the suggestions - above still no good
Talked to Lenovo tech and did everything they said - still no good.
Installed the Lenovo F-key functions - still no good.

So the card works perfectly once you disable and then enable it.

So back to the beginning can anyone help me with a simple DOS batch file that will do that for me?
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Expert Comment

by:nobus
ID: 39882224
maybe best to return to windos 7.
anyway, i am always a fan of a clean install - not for upgrading OS
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Author Comment

by:samcory
ID: 39882327
All the installs were clean with the hard disk reformatted first.
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LVL 100

Expert Comment

by:John Hurst
ID: 39882405
At this point, try a clean (fresh) installation of Windows 8 and make sure the network card is working properly before getting too far.

Lenovo machines certified for Windows 8, Intel cards, and Intel drivers work well in Windows 8.
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Expert Comment

by:nobus
ID: 39882747
did you select the proper driver for your OS? there is a 32-bit, and a64 bit onew
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Accepted Solution

by:
samcory earned 0 total points
ID: 39884045
Ok I give up
I have created a batch file to disable and enable the wireless card (see below)
it works perfectly but it is a two click process, to make it work I have to right click
on the batch file and run it as administrator for it to work.
How can I make the batch file "run as administrator" just by clicking on it?

The batch file:

cls
devcon disable "PCI\VEN_8086&DEV_0084&SUBSYS_13158086&REV_00"
devcon enable "PCI\VEN_8086&DEV_0084&SUBSYS_13158086&REV_00"
0
 
LVL 93

Expert Comment

by:nobus
ID: 39884908
here they say to use :  runas /user:Administrator Example1Server.exe

see: http://stackoverflow.com/questions/6811372/how-to-code-a-bat-file-to-always-run-as-admin-mode
0
 

Author Comment

by:samcory
ID: 39888502
Thank you both for your prompt assistance.

I now have a dilemma as to how  I close this question down without offending anyone as the primary problem has not been resolved only the workaround DOS solution.

What is the correct way for me to close this please?
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LVL 93

Expert Comment

by:nobus
ID: 39888971
you can accept your own answer -or assign points to helpful posts
more info on clsing : in the help files !
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Author Closing Comment

by:samcory
ID: 39900019
Thanks for your help
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