Qosmio X770-10J weak WLAN signal

Hey there!
I just got a brand new Qosmio X770-10J 3 days ago and got some strange wlan issues.
The notebook is placed 3 meters away from my AVM WLAN device and it got only 2 WLAN bars, long loading times and a lot of reconnects. Another (older) notebook at the same location hast full five bars and is ridicolously fast in comparision.
Anyone got an idea?
I got the same problem with an UBUNTU live cd, so it can't be a driver issue.
Thanks for help!

if it is a brand new laptop it is possible your energy plan is not configured properly
so go to power savings settings and edit one of them (preferably the one called high performance) and edit everything so it is set to performance and not to power saving, including the wifi adapter, which can be controlled on 10 different "levels" of energy comsumption, as far as i can remember.
its good to do this anyways because sometimes the settings for your graphics card or usb power seetings are also in power saver mode and your cpu is not running on full potential.
if this doesnt help... well, i would unscrew the laptop bottom cover try removing the wifi adapter and placing it back in the slot. also i would check the 2 cables that are connected to it and are basically 2 ends of your antenna that is coiled in the plastic frame around your monitor (at least in most laptops)
and if this doesnt work, i think it will be safe to say the adapter is faulty. but it really does sound like power savings settings thing so stay positive

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