WiFi scanning on ThinkPad E520

On my Thinkpad R31, I was able to use Kismet in Linux and Network 
Stumbler in Windows to scan WiFi.  However, on my E520, neither work.  
It has a Realtek 802.11N WiFi NIC.

Any ideas?

tnx jk

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Registering at thinkwiki.org

Resolved- confused about power managment with T520 with Debian with no DE

Thanks again to everyone for helping me figure out how to get my suspend
to work properly without using a DE.

Turns out that (evidently) my FnF4 button has an intermitent physical
problem. Playing around with acpi_listen showed me that pressing FnF4 only
caused an event occassionally and I can't depend on it. I will consider
sending the laptop back as it is still under warranty. Though I'm still
not sure there isn't some kind of software glitch interfering with it.

However, I was able to use the procedure provided by Claudius Hubig to
capture the lid closing event and write a few scripts that work.

This is how I approached it for anyone else wanting to try:

First, invoke acpi_listen, then close and re-open the lid. The event will
be shown onscreen, in my case it is "button/lid LID close" plus a few
other lines.

Second, write script placed into /etc/acpi/:

$cat /etc/acpi/lidclose.sh
echo "echoing from inside script lidclose.sh"
touch /etc/acpi/tested.ok
pm-suspend

The first two lines are for testing the script and are later removed.
Turns out that the echo line doesn't work.

Second, create this script:

$cat /etc/acpi/lidclose
event=button/lid LID close
action=/etc/acpi/lidclose.sh

The names of these two scripts can be anything you like, but be sure to
make them executable. I wrote these as root.

Then run /etc/init.d/acpid restart

Now when I close the lid the laptop goes into sleep as it should. I did
not need to do anything to make the laptop resume from sleep- it does so
upon opening the lid again.

Until I find a smaller and/or better program I will use the
xcfe4-power-manager for blanking the screen (in my case it doesn't work
for putting my laptop into sleep or hibernate mode).

Also thanks to Joerg Bruehe for the brief explanation of the setuid bit.. .
I have always been a little confused about how to use that. Good to know
even if it doesn't work with symlinks like pm-suspend (as confirmed by
Jochen Spieker.

Again, thanks to everyone for your help!

Keith Ostertag
Harrisburg, PA, USA
 My system:
Lenovo Thinkpad T520
Intel i5-2410 with onboard graphics (i915) only
Intel SSD drive, 4GB RAM
Debian, using i3wm

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Re: T520 Ubuntu 11.10 x64 - can't connect external monitor

confused about power managment with T520 with Debian with no DE

When I bought my Lenovo Thinkpad T520 a few months ago I started off by
using Debian with Gnome. Recently I switched to using a window manager
(currently i3) instead of Gnome, and often I just use the console.

Since I switched away from using a DE I have been confused as to which
power management tools I should use and how to use them, due to my
inexperience.

The only thing I really need is to enable sleep or suspend at intervals or
on demand in order to conserve battery,

I downloaded pm-utils, but I don't know how to use them. I can't figure
out what/which tools are included- there's no manpage for "pm-utils" or
"pmutils" or "pm_utils", dpkg -s pm-utils doesn't provide the names of the
tools included in the package, the Debian site doesn't list the package
contents...what am I missing here? Maybe pm-utils isn't the best option
anyway?

According to http://www.thinkwiki.org/wiki/Standby_mode I should be able
to use Fn-F3 to enable standby on demand, but that doesn't work for me.
Anyone know how I can get that to work?

Because I originally had Gnome loaded and haven't removed it I may have
some Gnome power managment programs still lurking around- but I prefer to
remove them and use X tools instead.

Thanks,
Keith Ostertag

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T520 Ubuntu 11.10 x64 - can't connect external monitor

If the T520 is anything like the W520, to connect an external monitor
to the DisplayPort on the laptop, you must run in discrete graphics
mode under Linux (works great) or perhaps get Nvidia optimus to work
with the bumble bee (no idea how hard it is with the T520). The Intel
integrated graphics will not drive the DisplayPort, regardless of O/S.

Damon
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Mouse (touchpad/eraserhead) jerky

T520 Ubuntu 11.10 x64 - can't connect external monitor

Re: Bios Splash

Hi again,

so I followed your suggestion, and had no luck with this particualar iso. [1]

> Just open the iso with isomaster, (just google it)
> there you can edit the files in the image.

Your suggestion works with other bios iso images fine. Tested it with isomaster.
When I open 8nuj08uc.iso (Lenovo e320 bios image)  in isomaster I get
blank. No files no directories. That is exaclty the same problem as if
unpacking with 7z or mounting with loopback. The best i got was
graping the 512bytes startsector with hexeditor, but was unsure on how
to proceed.

In case you have a minute to spent and are able to unpack files from
this iso please sent me or upload public. I have tried all I know and
failed.

Thanks for help,

Adam

[1] http://support.lenovo.com/en_FI/downloads/detail.page?DocID=DS019500
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Re: TP ruggedness (Was: About to buy a s/h X200....)

At 00:54 31/01/2012, you wrote:
>...there was the T42 on the floor, resting half-open on the front edges of the screen and keyboard ... I
picked it up from the floor, set it upright and swiped a finger over the trackpad.  Up came her email client
and immediately began downloading 9 weeks of email ...

Helen,
What a great story! Thanks for that. It's made me feel a whole better .
I shall still be careful with my T43, of course,  but your story will stay at the back of my mind.
Like many others you mention preference for the T60. I think maybe I'd better shake my piggy-bank
to see if I can start looking round for a used T60...

All the best to your mother, by the way. May she enjoy many more years using her T42  !

Dick Summerfield. 

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Re: [Slightly off-topic] About to buy a second-hand ThinkPad X200....

Hi Martin,
I hope we'll hear more about how you get on.

Well, I would be interested anyway.
I would advise though, against using: 
Gebruiktenotebook.nl
Bierbrouwersweg 31
3449HW Woerden.

I did eventually get my T43 from them and I use it happily enough now,
but it had a dud battery which I complained about twice via e-mail but
never had a single answer. I thought about involving the consumer
organization but I took the line of least resistance and just bought a new battery .

I can't help but worry about these "infamous T4x issues" mentioned by Robert Tomsick...
What are they???!!!

Anyway best of luck with your X200 

Dick Summerfield

At 11:21 25/01/2012, you wrote:

> ....what should I look out for (i.e., what are the common mechanical
>failures with his model)? Also, if anyone knows of good utilities to
>run prior to purchase I'm all ears.
>
>Thanks for the bandwidth,
>
>Martin
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