Check if your *iwconfig* has *power management* set to *on.* If yes, turn it off by $*sudo iwconfig wlan0 power off*, wlan0 be your wireless device from *ifconfig*
More details here: http://askubuntu.com/questions/85214/how-can-i-prevent-iwconfig-power-management-from-being-turned-on On Wed, Sep 9, 2015 at 12:48 PM, Rajiv Ranjan <[email protected]> wrote: > Hi all, > > I have reasonably new HP laptop (HP 15R006TU). I was using it nicely with > 14.04 LTS till a month ago. > > After some updates the wifi started giving problems like frequent > disconnections, now able to see the available wifi networks, slow speed > even when connected, poor range etc. > > Sometimes booting into previous kernels helped but the problems were still > there. > > I have tried almost all solutions given here. > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1049466 > > I made fresh install of ubuntu 15.04 to see if it is fixed in newer > version. Found that it isn't. > > Present status after doing this: > quote--- > > - rt3290sta-2.6.0.0.dkms.tar.gz > > <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1049466/+attachment/3886782/+files/rt3290sta-2.6.0.0.dkms.tar.gz> > Edit > > <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1049466/+attachment/3886782> > (926.8 > KiB, application/x-tar) > > Found another possible workaround if you want to use vendor's proprietary > drivers. Someone over at archlinux created a patch for mediatek's driver: > https://aur.archlinux.org/packages/rt3290sta-dkms/?setlang=ru > > Original Driver: > http://www.mediatek.com/_en/07_downloads/01-1_windowsDetail.php?sn=5033 > Patch: https://www.dropbox.com/s/v0kaibq0f4to0k2/rt3290sta.patch > > I wrapped it up into DKMS so it can easily get rebuilt on kernel upgrades. > Download and untar into /usr/src and then run: > > dkms install -m rt3290sta -v 2.6.0.0 > modprobe rt3290sta > > This will: > 1 - Add it to DKMS tree > 2 - Build the rt3290sta driver with the patch > 2 - Install it to the kernel driver tree > 3 - Blacklist original kernel drivers rt2x00pci & rt2800pci from loading > by creating /etc/modprobe.d/blacklist-ralink.conf > > ---unquote > > - can connect to wifi > > - range still poor > > - remains connected but speed crawls to a few kbps after a few minutes > > - all is good again after I do 'sodo service network-manager restart' > > I talked to HP service center here in Calicut. They say they are willing > to replace the wifi card free of cost. > > Anybody else with the same problem? > > Any suggestions? > > > -- > -- > "Freedom is the only law". > "Freedom Unplugged" > http://www.ilug-tvm.org > > You received this message because you are subscribed to the Google > Groups "ilug-tvm" group. > To control your subscription visit > http://groups.google.co.in/group/ilug-tvm/subscribe > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > > > > For details visit the google group page: > http://groups.google.com/group/ilug-tvm?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "Free Software Users Group, Thiruvananthapuram" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Mukesh. E RoR developer FOSS enthusiast Works @ contractiq.com -- -- "Freedom is the only law". "Freedom Unplugged" http://www.ilug-tvm.org You received this message because you are subscribed to the Google Groups "ilug-tvm" group. To control your subscription visit http://groups.google.co.in/group/ilug-tvm/subscribe To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For details visit the google group page: http://groups.google.com/group/ilug-tvm?hl=en --- You received this message because you are subscribed to the Google Groups "Free Software Users Group, Thiruvananthapuram" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
