Safe BIOS upgrade run from external USB-HDD and not native OS

Posted by ecoologic on Super User See other posts from Super User or by ecoologic
Published on 2012-10-24T15:43:34Z Indexed on 2012/10/24 17:04 UTC
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external-hard-drive

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bios

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upgrade

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operating-systems

I have a Toshiba M200 laptop which came with Windows Vista. After buying it, I replaced the OS with XP and recently I swapped the internal hard disk with a bigger one where I only have Ubuntu. So now I can boot XP from the external USB hard disk. There's a BIOS update available (2.3 against my 1.8) which I'd like to install and there's also a version for XP.

Is it "reasonably" safe to install this upgrade for Windows XP (despite the original OS was Vista, the laptop model is the right one) from my external USB hard disk with Win XP?

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