[ltp] OT: Lenovo Return Policy Advice

[Marius Gedminas]

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On Mon, Feb 18, 2008 at 09:08:21PM -0500, Michael B Allen wrote:
> On 2/18/08, Derek Dolney <nospam@dolney.com> wrote:
> > This rang a bell for me. When I first got my T61, somehow the internal
> > microphone gain was turned up all the way and the internal speaker, too.
> > That gave a lot of screechy feedback, and pushing the keys made
> > interesting echo sounds. It's probably a long shot, but check that your
> > mics are turned down and/or mute your speakers before you return it.
>=20
> I don't think that's the problem. To me more specific, if the power
> cord is not connected, there is a high pitched sound coming from under
> the escape key and when I click on links the speakers pop. Same
> behavior in Linux and XP. Definitely something electrical and the
> hardware support guys agreed.

Hm, I hear a high-pitched whine from my T61 when it's on battery power.
Restricting the CPU to the C2 power-saving state stops the whine.

Check out this page:
http://www.thinkwiki.org/wiki/Problem_with_high_pitch_noises

Marius Gedminas
--=20
QOTD:
        "A child of 5 could understand this!  Fetch me a child of 5."

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