Lenovo System x3550 M4 - Page 175

Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”
onpage31
.
Step2.Turnofftheserver,anddisconnectallpowercordsandexternalcables.
Step3.Removethecover(see“Removingthecover”onpage34).
Step4.LocatetheUEFIbootbackupjumper(JP2)onthesystemboard.
Figure93.UEFIbootbackupjumper(JP2)location
Step5.MovetheUEFIbootbackupjumper(JP2)frompins1and2topins2and3toenabletheUEFI
recoverymode.
Step6.Reinstalltheservercover;then,reconnectallpowercords.
Step7.Restarttheserver.Thesystembeginsthepower-onself-test(POST).
Step8.Boottheservertoanoperatingsystemthatissupportedbythefirmwareupdatepackagethat
youdownloaded.
Step9.Performthefirmwareupdatebyfollowingtheinstructionsthatareinthefirmwareupdatepackage
readmefile.
Step10.Turnofftheserveranddisconnectallpowercordsandexternalcables,andthenremovethe
cover(see“Removingthecover”onpage34).
Step11.MovetheUEFIbootbackupjumper(JP2)frompins2and3backtotheprimaryposition(pins1
and2).
Step12.Reinstallthecover(see“Replacingthecover”onpage190).
Step13.Reconnectthepowercordandanycablesthatyouremoved.
Chapter4.Troubleshooting161