Reboot loop on Lenovo M81
Hi, Quite a strange issue i've got here and i'm hoping someone might have some clues on it. We've had delivery of a new batch of Lenovo M81's and i've found that during the OSD it gets to a point where it constantly reboots. We've seen similar issues in the past when the SATA mode was set incorrectly but we've already checked this and confirmed it as being correct. The problem seems to lie with the format/partition step in the task sequence. If we set the partition size to use 100% of the remaining free space then we get the problem - but if we set the partition size to a fixed value (200GB for example) then the task sequence runs without hitch. Anyone got any clues on this one? We can't really leave a static value configured as the machine we use this task sequence on vary in configuration. Be nice to get to the bottom of it. Thanks Pete
August 24th, 2012 7:39am

You could set the TS to follow two scenarios. If the machines is a Lenovo M81, set the TS to use a fixed partition size. If anything else, use 100% remaining. (as a temporary workaround) Possible in cases where you are using 100% remaining free space, there's something else you might be changing in the TS that you aren't anticipating? A variable or a WMI check? Have you been able to get the smsts.log from a failed system?
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August 24th, 2012 11:38am

Peter, What version of Microsoft Deployment Toolkit (MDT) are you using? It might have to do with an older version of Microsoft Deployment Toolkit. What is the next step after Format and Partition Disk? Is it Apply Operating System Image? ------ To verify for your Partition Properties you have the following: Partition Type: Primary Use a Percentage of remaining free space: 100 File System: NTFS / Quick Format ------ Lastly are you testing with the same computer name? If you don't remove the computer out of SCCM Prior to this step, you will get a continual boot loop. As a temporary work around like Chris Mullins Suggested, Put the following in the Options Tab: Add Condition > If Statement > All Conditions > OK Add Condition > WMI Querty > WMI Namespace: root\cimv2 > WQL Query: SELECT Model FROM Win32_ComputerSystem Where Model like "%Lenovo M81%" ** You may need to run the following powershell query to verify the model is reported as above: Get-WmiObject -namespace root\cimv2 -class Win32_ComputerSystem --------------------
August 24th, 2012 1:54pm

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