On Wed, 2009-10-28 at 15:40 +0200, Gabor Szabo wrote: > On Tue, Oct 27, 2009 at 2:46 PM, Gilboa Davara <gilb...@gmail.com> wrote: > > On Mon, 2009-10-26 at 07:28 +0200, lior wrote: > >> On Mon, 26 Oct 2009 06:44:17 +0200, Gabor Szabo <szab...@gmail.com> wrote: > >> > I just bought a new computer, install Ubuntu 9.10 beta (not the RC as > >> > it was not out yet) > >> > and after I try to reboot, the computer does not even reach the BIOS > >> > boot sequence. > >> > (blank screen). > >> > After letting it rest for some time I can turn it on, then it gets to > >> > the BIOS boot and displays the > >> > following error: > >> > > >> > Warning!!! The previous overclocking had failed, and system will > >> > restore its default setting. > >> > Press any key to continue... > >> > > >> > Pressing a key makes it boot but the happens again after one or two > >> > bootings. > >> > > >> > Oh, an *I* have not touched the BIOS and *I* did not configure > >> > overclocking. > >> > > >> > I already took the computer back once and they told me about some rare > >> > thing that happens > >> > only once every 2 years that the BIOS is flips. > >> > I think they just either did not configure it well or for some reason > >> > it gets broken after the first boot. > >> > Or something is broken or incompatible in the hardware. > >> > > >> > > >> > The question if Linux might change the BIOS or cause this problem? > >> > If not, what do you think could be the reason and the fix? > >> > > >> > Here are the details of the computer (from the order form) just in > >> > case someone can see > >> > some parts that do not work well with Linux or with each other. > >> > > >> > CPU: Q8200 2.33 Gh 4MB Core 2 Quad > >> > mother board: G41M-E43 DDR3 HDMI MSI > >> > screen card: Nvidia GeForce 9400Gt 512MB P.P.View > >> > HD: 500 Gb SATA2 16 Mb Hitachi > >> > Memory: CL7 DBT GEIL 2x2Gb (4Gb) DDR3 1066 Mhz > >> > DVD: GH22NS SATA LG DVDX22 DL > >> > power: 350W FAN 12 CM Power man > >> > > >> > > >> > >> I think you might be underpowered. I input the above specification in the > >> newegg PSU calculator and got ~390W. > >> > >> http://educations.newegg.com/tool/psucalc/index.html > >> > >> The boot sequence is one point in time where you might notice this. > >> > >> Lior > > > > I second the above. > > You need at -least- a 450w PSU for this machine. > > (In your case, the CPU + GPU alone can eat more than 250w...) > > > > - Gilboa > > Interesting. > I took back the computer again. They called me 3 days later and > told me they tried to reboot it 100 times and it worked fine. > > They also told me to look at the power calculator of MSI > http://www.msi.com/index.php?func=power > and that one shows that I need less than 300 W. > > Very strange and I am not sure what to do with this whole situation. > > > Gabor
When in doubt - buy big. Don't forget that most computer shop labs are heavily A/C'ed, and last week was one of the hottest days of the year. PSU's doesn't really function that well at ~35C... - Gilboa _______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il