System hangs at startup with message: "UEFI Platform Initialization" - IBM System x
RETAIN tip: H197013
When updating the Unified Extensible Firmware Interface (UEFI), the system could hang at Power On Self Test (POST) with the following message:
On the second reboot, the system could hang and the Light Path Diagnostics (LPD) panel will display check point: B8.
The system may be any of the following IBM servers:
This tip is not software specific.
This tip is not option specific.
The following system BIOS or uEFI level(s) are affected:
The issue has been fixed in UEFI Version 1.11 (D6E150C).
The file is or will be available by selecting the appropriate Product name, Product machine type, and Operating system on IBM Support's Fix Central web page, at the following URL:
There are two (2) Workarounds for this issue.
This is the preferred method to initiate a 3 times POST failure. Complete the following procedure:
This procedure will load the default UEFI configuration. You might have to use a pen or the end of a straightened paper clip to press the reset button. The reset button is located on the lower right-hand corner of the LPD panel.
For a system hung in the "UEFI PLATFORM INITIALIZATION" state, follow these steps:
If the system fails to complete POST when booting from backup UEFI mode, or after returning to Primary UEFI mode after flashing UEFI in backup mode, contact IBM support. Do not replace the system board.
Note: If Workaround 3 is performed, then users should refer to RETAIN Tip H194649 at the following location: