You can use your nvidia card using Bumblebee (http://bumblebee-project.org/) as mentioned in the answer. You cannot switch the card off if a driver is in use, that's a safety measure to avoid the system locking up.
On Thu, Feb 2, 2012 at 4:43 PM, Christine <[email protected]> wrote: > ** > On 02/02/2012 03:18 PM, Lekensteyn wrote: > > Hi Christine, > > Nice anecdote :) Can you confirm that bbswitch functions properly? I.e. > does > writing ON/OFF enable/disable the card? > > I can switch it ON, but I can't seem to switch it OFF. At one time, I saw > a message that an nvidia driver is using it. > > > Why would you want to enable the video card on boot? You can't use it > anyway (unless your BIOS allows for it). See also the question on support > of > Optimus technology: http://askubuntu.com/q/36930/6969 > > > I hadn't seen that. Seems like I should just forget about the nvidia card? > > > > Peter > > On Thu, Feb 2, 2012 at 3:03 PM, Christine <[email protected]> wrote: > >> On 02/02/2012 02:33 PM, Lekensteyn wrote: >> >> Hi Christine, >> >> Do you have a GTX 555 or GT 555M? bbswitch was designed for laptops and >> does AFAIK not work with desktop cards. Unless the load_state=1 option is >> passed to bbswitch, loading the module does not turn the device on. >> >> Oh, yes, I have the GT555M. It's an Asus laptop. >> >> >> Peter >> >> PS. interesting use of "dag" :) >> >> I have used "dagdag" in all my emails since 1993. Some six years ago, >> one of my friends asked me by email "what does dagdag mean... oh, I see, >> it's just a two character rotation of byebye". It occurred to him because >> he is a crypto expert, I guess. I've used this sig line ever since. It's >> the only case that I know of in which a two character rotation provides you >> a valid translation between Dutch and English :-) >> >> dagdag >> Christine >> >> >> >> >> On Thu, Feb 2, 2012 at 2:08 PM, Christine Karman >> <[email protected]>wrote: >> >>> Hi, >>> I can switch on my geforce gtx555 with bbswitch. Now I want to have it >>> switched on at boot, so I can load the proper drivers at boot too. I added >>> "bbswitch" to /etc/modules in my ubuntu 11.10, I added bbswitch.ko to >>> /lib/modules/3.0.0-15-generic/kernel/drivers/acpi/, and I did the sudo >>> initramfs -u command. But the card stays off at reboot, there's no message >>> in syslog, like I get when I type "make load". >>> >>> How do I turn on the card at boot properly? Thanks in advance. >>> >>> dagdag >>> Christine >>> >>> -- >>> dagdag is just a two character rotation of byebye. >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~hybrid-graphics-linux >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux >>> More help : https://help.launchpad.net/ListHelp >>> >> >> >> >> -- >> dagdag is just a two character rotation of byebye >> >> > > > -- > dagdag is just a two character rotation of byebye > > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : [email protected] > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp > >
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