Re: laptop on ubuntu 12.04 wifi and power mgmt issues

Regarding the power management issue you have, seems like a case of a bad ACPI implementation (either with Linux or the hardware, or both). 

For your Wi-Fi woes, it can be firmware related. You can check this by downgrading the firmware (usually older versions of Linux distros will ship with older firmware for Wi-Fi devices). It's rare to find firmware-less radios these days (the last one I've used that's like that is the Orinoco from a decade ago)...

<div>Paolo</div>—<br>Sent from <a href="https://www.dropbox.com/mailbox">Mailbox</a>

On Thursday Nov 27, 2014 at 3:31 AM, Johann Vincent Paul Tagle <[email protected]>, wrote:

Hi all,

Been happily using purely Linux as my desktop since I think 2007.  Lately
though I'm encountering some issues.

The first one seems to be due to old hardware - I suspect that the wifi
adapter is failing - even on windows (I use it backup my ipad) sometimes it
fails to connect to the router - it keeps coming back to asking me to
reenter the password.  Not knowing where to check, I resort to rebooting.
But lately it's becoming more frequent and I need to do multiple reboots
before it goes back to normal.  So 2 questions on this:
1. where can I check what's happening if it fails to connect to the router?
2.  if indeed the problem is failing hardware, I imagine I can use one of
those usb wifi adapters - any recommendations?

The second is a power mgmt issue - whenever the power adapter gets removed,
once I plug it back in, it seems the machine goes to low power mode and
everything crawls.  Where can I check and hopefully force it to go back to
normal power mode?

Thanks

Johann

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