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멋진성이의 지식iN/IBM

UEFI 업데이트 후 부팅이 안될때 복구 방법

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간혹 업데이트 후 부팅이 안되는경우 해볼수 있는방법입니다.
보드교체전에 꼭 해보면 도움이 될만한 내용입니다.



Retain 번호
RETAIN tip: H197013


증상

When updating the Unified Extensible Firmware Interface (UEFI) code to the latest build v1.06 (D6E145C) for System x3550 M2 and System x3650 M2, the system may hang at Power On Self Test (POST) with the following message:

  UEFI Platform Initialization

On the second reboot, the system will hang and the Light Path Diagnostics (LPD) panel will display check point: B8.



There are two (2) workarounds:

Option 1:

  Press the Reset button three (3) times. This will load the default UEFI configuration. You might have to use a pen or the end of a straightened paper clip to press the button. The Reset button is in the lower right-hand corner of the LPD panel.

Option 2:

  Unplug the AC power. Clear the Complementary Metal Oxide Semiconductor (CMOS) by removing the battery for at least ten (10) seconds, reinstall the battery, and power the system.

Note: If the second Workaround is selected, users should refer to RETAIN Tip H194649 (MIGR-5083405). When removing the CMOS battery, the Integrated Management Module (IMM) clock time/date resets to a default date of 1/1/1970, and this introduces issues with the default account USERID and other user accounts when setting the password.


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