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2 Posts

08-30-2017

CA

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M900 BIOS (79A) not working with PXE & SCCM 2012

2017-08-30, 16:04 PM
I have 4 M900 (10FG), out of the box, with the BIOS level at 41A. I upgraded two of them to the latest, 79A, and left two as is. I can install Win10 via PXE boot with the two desktops whose BIOS level is at 41A. The two with the BIOS level 79A, will not get the task sequence started. I have tried everything, by comparing BIOS settings to CLEAR CMOS but they do not work. Lenovo website offers only the 76A BIOS, but nothing older than that. I want to downgrade the BIOS level to 41A, install my Win10, then upgrade it to the latest. I have done that with the other two desktops with no issues.
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640 Posts

06-09-2015

US

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Re: M900 BIOS (79A) not working with PXE & SCCM 2012

2017-08-30, 17:19 PM

I just PXE booted an M900 (10FH) in my lab on this BIOS revision. How far into the PXE process are you getting?  Are you able to at least get into WinPE?

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2 Posts

08-30-2017

CA

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  • Posts: 2
  • Registered: ‎08-30-2017
  • Location: CA
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  • Message 3 of 4

Re: M900 BIOS (79A) not working with PXE & SCCM 2012

2017-08-30, 17:36 PM

I get an IP address, and I see the "Preparing Network connections", then wait for the TASK SEQUENCE which shows me the OS to pick, but it never gets to that screen.

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640 Posts

06-09-2015

US

5009 Signins

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  • Posts: 640
  • Registered: ‎06-09-2015
  • Location: US
  • Views: 49091
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Re: M900 BIOS (79A) not working with PXE & SCCM 2012

2017-08-30, 17:42 PM

review your SMSPXE.log for any clues, or you can upload it here.

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