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After updating BIOS from version 1.0.8 to 1.1.9 preinstalled Ubuntu stopped loading (black screen) on my Dell Latitude 5490. Live iso Ubuntu 16.04 LTS also does not load. BIOS downgrade is blocked by vendor.

How can I recover from this?

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DELL fix this issue today in 1.2.3 BIOS version

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    Can you please add instructions needed to fix the situation when neither Ubuntu nor Live ISO works? Apr 17, 2018 at 22:36
  • Just install this BIOS version dell.com/support/home/ru/ru/rubsdc/drivers/…
    – Vyacheslav
    Apr 19, 2018 at 20:20
  • I had the same problem. Upgrade the BIOS to 1.2.3 version fixed the issue for me
    – David SN
    Jun 5, 2018 at 11:02
  • Could you please edit your post when you want to clarify something or add information? It’s best to have everything relevant in one place. Additionally, comments may be deleted for various reasons. Thanks. Jul 21, 2018 at 13:19

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