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Booting Linux using UEFI can brick your Samsung laptop

linux uefi

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#1 Liskiller


    Super WinMatrixian

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Posted 02 February 2013 - 06:29 PM



Samsung’s UEFI implementation appears to be faulty. It was most likely tested with Windows only and found to work, but thorough testing with other operating systems doesn’t appear to have been a priority, or perhaps a consideration at all.


At present, the bug appears to affect following Samsung series laptops:

  • 530U3C
  • 300E5C
  • NP700Z5C
  • NP700Z7C
  • NP900X4C

Long-term, we expect Samsung to release BIOS and firmware updates for the affected laptops, though how long that might take is unknown. Short-term, the workaround is for Linux to boot these Samsung models using the Compatibility Support Module (CSM), which basically bypasses the UEFI bootloader, but dual-booting via CSM appears to be a bit complex.


Update: It appears the problem stems from NVRAM corruption. Removing power, opening the laptop up, and disconnecting the CMOS battery appears like it will clear the problem, but that's a pretty serious set of steps to take for most laptops.


Source: H-Online, via Anandtech

#2 FalseAgent


    your average joe (tm)

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Posted 02 February 2013 - 09:11 PM

Okay, so users that want to run Linux on their laptops should avoid getting a Samsung laptop.

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Also tagged with one or more of these keywords: linux, uefi