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

[Chow Loong Jin]

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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=3DDS0188=
07
>>   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 u=
p
>> burning a CD-R.  My X220 doesn't have a CD drive.  Hm...
>=20
> 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 fo=
r
> 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 trie=
d
something similar on my Thinkpad E220S, and had the same experience. It t=
hen
spent 2 weeks waiting for a replacement motherboard in the service centre=
=2E

--=20
Kind regards,
Loong Jin


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