Lenovo x3650 M4 BD 5466 - Removing and replacing Tier 1 CRUs

4.Atthefirmwaresplashscreen,pressF3whenpromptedtorestoretotheprimarybank.Theserver
bootsfromtheprimarybank.
Out-of-bandmethod:SeetheIMM2documentation.
FormoreinformationaboutUEFI-compliantfirmware,gotohttp://www.lenovo.com/support.
Automatedbootrecovery(ABR)
UsethisinformationforAutomatedbootrecovery(ABR).
Whiletheserverisstarting,iftheintegratedmanagementmoduleIIdetectsproblemswiththeserver
firmwareintheprimarybank,theserverautomaticallyswitchestothebackupfirmwarebankandgives
youtheopportunitytorecoverthefirmwareintheprimarybank.ForinstructionsforrecoveringtheUEFI
firmware,see“Recoveringtheserverfirmware”onpage137.Afteryouhaverecoveredthefirmwarein
theprimarybank,completethefollowingsteps:
Step1.Restarttheserver.
Step2.WhenthepromptpressF3torestoretoprimaryisdisplayed,pressF3torecovertheprimarybank.
PressingF3willrestarttheserver.
Nx-bootfailure
UsethisinformationforNx-bootfailure.
Configurationchanges,suchasaddeddevicesoradapterfirmwareupdates,andfirmwareorapplication
codeproblemscancausetheservertofailPOST(thepower-onself-test).Ifthisoccurs,theserverresponds
ineitherofthefollowingways:
•TheserverrestartsautomaticallyandattemptsPOSTagain.
•Theserverhangs,andyoumustmanuallyrestarttheserverfortheservertoattemptPOSTagain.
Afteraspecifiednumberofconsecutiveattempts(automaticormanual),theNx-bootfailurefeaturecauses
theservertoreverttothedefaultUEFIconfigurationandstarttheSetuputilitysothatyoucanmakethe
necessarycorrectionstotheconfigurationandrestarttheserver.Iftheserverisunabletosuccessfully
completePOSTwiththedefaultconfiguration,theremightbeaproblemwiththesystemboard.
TospecifythenumberofconsecutiverestartattemptsthatwilltriggertheNx-bootfailurefeature,inthe
Setuputility,clickSystemSettings➙Recovery➙POSTAttempts➙POSTAttemptsLimit.Theavailable
optionsare3,6,9,and255(disableNx-bootfailure).
Chapter4.Troubleshooting139