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Old 02-05-2010, 09:27 PM   #1
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Registered: Dec 2008
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Unhappy Wireless inconsistent on HP Pavilion dv6 running Ubuntu 9.10

I am having trouble with wireless connection on my HP Pavilion dv6 which is dual boot Ubuntu 9.10 and Win7. The wireless works fine with Win7, but since I installed Ubuntu, the wireless connection (with Ubuntu) has not worked. It sees the wireless network, and tries to connect, seems to connect briefly, but then almost instantly disconnects, and tries again. The wired network works fine. Correct WPA security passwords provided. No other warnings or messages appear, except that the wireless network is disconnected (over and over again). Here is the partial output from 'lspci -v'

02:00.0 Network controller: Intel Corporation WiFi Link 100 Series
Subsystem: Intel Corporation Device 1315
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at d9500000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlagn
Kernel modules: iwlagn

03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
Subsystem: Hewlett-Packard Company Device 3627
Flags: bus master, fast devsel, latency 0, IRQ 30
I/O ports at 5000 [size=256]
Memory at d1410000 (64-bit, prefetchable) [size=4K]
Memory at d1400000 (64-bit, prefetchable) [size=64K]
Expansion ROM at d1420000 [disabled] [size=64K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169

I don't know what this means, but someone on a similar thread asked for this.

Thanks for any assistance.
Old 02-08-2010, 09:52 AM   #2
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Registered: Feb 2003
Location: CT
Distribution: Debian 6+, CentOS 5+
Posts: 1,323

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I don't know about your wifi chipset specuifically, but see if you can look it up with regards to linux compatability and see if maybe it needs firmware or something. You could also look up you laptop or WiFi chipset in regards to Debian Linux information therewill likely be applicable to Ubuntu as well.
Old 02-09-2010, 08:11 PM   #3
Registered: Jan 2009
Location: Boston, MA
Distribution: Arch Linux
Posts: 653

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Intel wireless cards do require extra firmware. If it's connecting at all, the firmware is installed. You can try to install newer drivers with
sudo apt-get install linux-backports-modules-karmic
Failing that, you can build the latest compat-wireless package for the most recent drivers. Info on that here:


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