[ltp] Re: X220 UEFI BIOS update (was Re: X220 freezes occasionally)

[Evgeni Golov]

On Mon, Jul 30, 2012 at 09:08:56PM +0800, Chow Loong Jin wrote:
> On 30/07/2012 01:09, Marius Gedminas wrote:
> > On Thu, Jul 26, 2012 at 12:45:06PM +0300, Marius Gedminas wrote:
> >> On Sat, Jul 14, 2012 at 03:17:55PM -0300, Henrique de Moraes Holschuh wrote:
> >>> Is your thinkpad using the latest UEFI/BIOS and EC firmware? ;-)
> >>
> >> Apparently not:
> >> * /sys/class/dmi/id/bios_version says "8DET47WW (1.17 )"
> >> * http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS018807
> >>   says it has version 1.31 (8duj17uc.iso).
> >>
> >> When I upgraded the BIOS on my old T61, I tried using grub +
> >> syslinux-memdisk trick to boot the .ISO image and failed, then ended up
> >> burning a CD-R.  My X220 doesn't have a CD drive.  Hm...
> > 
> > I managed to boot the Lenovo UEFI BIOS update utility from a USB key,
> > but it froze as soon as I chose the actual update option.  I left it for
> > an hour, nothing happened, so I rebooted with Ctrl+Alt+Del.
> 
> I believe you need to use a USB disk drive, rather than a USB key. I tried
> something similar on my Thinkpad E220S, and had the same experience. It then
> spent 2 weeks waiting for a replacement motherboard in the service centre.

I had no problems updating my X220 with some "cheap" Samsung USB 
CD/DVD/BD combo.
The Grub method I used with my X201s did not work sadly.

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