sony-vaio-z-series team mailing list archive

[Patrick Valdellon <valworx@xxxxxxxxx>]

Hello Parthiban,

You have too options on the Z5 with win7:
1) use the old bios (R4040) too use nvidia with linux. when you boot up win7
with that bios in speed mode, the screen will get messed up (kinda like
every second pixel line is missing). Stamina mode is fine, though.
2) use a new bios for win7 (R4043, R5000+) win7 will work fine, but nvidia
will not work under linux. with nvidia 173 it kinda works: the funny,
colorful screen appears while ubuntu is booting, but as soon as kdm shows
up, everything is fine. 173 has no vdpau or cuda though.

What I do: I use bios R4040. I boot windows only once a month. when I do, I
use it in stamina mode. when I have to use it in speed mode and windows
(gaming) I just flash it with R5031. when I'm done I just flash back. I
don't really know if the whole
flashing-can-go-terribly-wrong-and-you-may-end-up-with-a-brick thing is
still on in modern computers, but I'm hoping not. ;)

br,
   Patrick

On Wed, Dec 16, 2009 at 12:57 PM, Raphael Gradenwitz <
raphael@xxxxxxxxxxxxxxxxx> wrote:

> Hello Parthiban,
>
> Am Mittwoch, den 16.12.2009, 11:14 +0000 schrieb parthi:
> > Yes, i have win 7 which came long with the lapto but i rarely use it
> >
> > my bios version is R5030M3
>
> Ok, that one is known as making trouble:
>
> http://www.mail-archive.com/sony-vaio-z-series@xxxxxxxxxxxxxxxxxxx/msg00826.html
>
> >
> > the brightness key does work under win7
>
> Of course it does. it is the default one.
>
> >
> > well let me see if removing it completely helps
>
> No, not the Windows installation is causing the troubles, it is the
> BIOS.
>
> >
> > any other that you can suggest?
> >
> > most of the time i'm on speed mode and plugged in only during travel i
> > use stamina mode ...
> >
> > if i can get nvidia to work that will be very good .. its not a big deal
> > but will be good
> >
> > thanks
> >
> > parthi
> >
> > On Wed, 2009-12-16 at 11:48 +0100, Raphael Gradenwitz wrote:
> > >
> > > Maybe best you can do is downgrading your BIOS to R2168M3 or
> equivalent.
> > >
> > > Maybe your brightness keys won't work under Windows 7
> > > I don't know more since I have Vista installed and no Windows 7 and my
> > > BIOS works.
>
> this will (maybe) happen AFTER a BIOS downgrade.
> I don't realy know what BIOS will work on your Z51WG, you will have to
> find out yourself. Maybe it is in the Windows XP downgrade pack:
>
>
> http://support.vaio.sony.eu/computing/vaio/downloads/updates/index.aspx?l=en_EN&m=VGN-Z51WG_B&os=6
>
> but that is only guessed from my side. You are on your own. Maybe
> someone else have more experiences with your hardware.
>
> Regards,
> Raphael
>
>
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