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Wireless Woes 
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Post # 297669
Post Wireless Woes
Recently purchases a new laptop.
Compaq Presario CQ57-410TU. This uses a 64 bit Intel CPU.

The laptop came with MS Windows 7 (the “normal” MS tax). Initially I thought I might dual boot with Linux, but a check of the file system showed MS and Compaq/HP were using all four primary partitions. So out it went.

I installed Mepis 11 in it's place. The installation went without any problems. The computer runs well, with snappy performance, but there is one problem.

Wireless will not work!

A check of the user manual shows how this might be fixed via settings/ Mepis Network Assistant/ Troubleshooting.

This shows the windows driver bcw15.

I have downloaded and extracted the required windows XP 64 bit driver from realtek, and tried to install it by following the instructions, but it fails with the message “The sys file for the given driver cannot be determined after parsing the inf file”

I see there is a link to a Mepis file when I search on this text (“MConfig Configuration has been modified The configuration options … “ mnetwork.ts.zip). There is no indication what the file is, how to use it etc. This would suggest that someone else has also faced this problem.

Any guidance on resolving this would be appreciated.


Fri Mar 23, 2012 3:33 pm
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Post # 297670
Post Re: Wireless Woes
Foggy wrote:
I have downloaded and extracted the required windows XP 64 bit driver from realtek, and tried to install it by following the instructions, but it fails with the message “The sys file for the given driver cannot be determined after parsing the inf file”


http://www.mepis.org/docs/en/index.php? ... diswrapper

Follow the cli instructions under Older MEPIS Versions.

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Fri Mar 23, 2012 4:38 pm
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Post # 297673
Post Re: Wireless Woes
"bcw15" seems to indicate Broadcom, but you mention you tried a driver from Realtek. Let's break out the command line and see what's really in there...try running Konsole and executing

lspci


to get a list of the PCI hardware.


Fri Mar 23, 2012 11:47 pm
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Post # 297694
Post Re: Wireless Woes
You could enable the community repos and install the liquorix kernel, which should be sufficient to get the wireless working.

Mike P

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Sun Mar 25, 2012 2:42 am
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Post # 297720
Post Re: Wireless Woes
Hi and thanks for your interest.

The solution suggested by uncle mark unfortunately did not work, with an error being reported from ndiswrapper.

Here is the lspci output

Quote:
Peter@mepismobile:~$ lspci
00:00.0 Host bridge: Intel Corporation Sandy Bridge DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Sandy Bridge Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation Cougar Point HECI Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 1 (rev b5)
00:1c.2 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 3 (rev b5)
00:1c.4 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 5 (rev b5)
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation Cougar Point LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation Cougar Point 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 05)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
03:00.0 Unassigned class


Sun Mar 25, 2012 10:42 pm
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Post # 297724
Post Re: Wireless Woes
maybe as root....
modprobe 8188CE
ifup wlan0

:popcorn:

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Sun Mar 25, 2012 11:46 pm
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Post # 297725
Post Re: Wireless Woes
That won't work...the driver can be built from Realtek's source for the M11 2.6.36 kernel, or else it's included in Linux kernels from 2.6.39 and higher. You are probably going to be much happier with a newer kernel for Cougar point hardware, anyway. Maybe the 3.2 kernel debs I have in package sharing, or the 3.2 kernel in squeeze-backports. Both will need the firmware-realtek package from squeeze-backports to get the thing to work, too: http://packages.debian.org/squeeze-back ... re-realtek


Mon Mar 26, 2012 12:46 am

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Post # 297783
Post Re: Wireless Woes
Stevo, thank you for this information.

I'm still trying to understand several things.

1. How did you work out what I needed from the information provided (I like to understand).
2. How do I go about selecting the correct kernel from the plethora listed at http://packages.debian.org/squeeze-backports/kernel/ (which I assume is the area you directed me to.

Once I have the files downloaded how do I handle installation? As you can see, I'm rather out of my depth in this area.


Tue Mar 27, 2012 1:41 pm
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Post # 297809
Post Re: Wireless Woes
Well, this is your wifi device:

02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)

A little Googling with the search terms "RTL8188CE" and "Linux kernel driver" soon turned up the answer. This page is very good: http://wiki.debian.org/rtl819x

As you can see from the page, support was added in the 2.6.38 kernel. We do have a 2.6.39 Liquourix kernel in our community repo that does have many positive review, so I'd try that first.

See here: http://main.mepis-deb.org/

Then search for "liquorix" in the Synaptic search box. Install

linux-headers-2.6-liquorix-amd64

and

linux-image-2.6-liquorix-amd64.

These should install and then boot under the "newest kernel" entry in the GRUB boot menu. The older kernel can be booted under the older kernel entry. Let me know if it does not boot---sometimes we have to boot to the older kernel and manually create a boot file with an "update-initramfs" magic command.

The firmware-realtek deb file still needs to be downloaded from that link above and installed by clicking it.
Take a look in the MEPIS manual about how to use "gdebi" to install them, it's very easy.


Tue Mar 27, 2012 10:25 pm
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Post # 297811
Post Re: Wireless Woes
Quote:
The laptop came with MS Windows 7 (the “normal” MS tax). Initially I thought I might dual boot with Linux, but a check of the file system showed MS and Compaq/HP were using all four primary partitions. So out it went.


Just back on this bit - for a moment - I've generally found that the 4th primary partition is usually the "D" drive under M$.
so I convert that to a extension/logical drive(s) senerio - as that partition is usually quite large, anyway.


Tue Mar 27, 2012 11:53 pm
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