Lenovo x3550 M5 - Page 107

Step4.LocatetheUEFIbootbackupjumper(JP13)onthesystemboard.
CMOS clear jumper (J11)
1
2
On
4
7
2
6
1
5
3
2
1
1
2
3
On
UEFI boot backup
jumper (J13)
NMI button
SW3 switch
block
System TPM physical
presence switch (SW11)
Off
Off
38
Figure30.UEFIbootbackupjumper(JP13)location
Step5.MovetheUEFIbootbackupjumper(JP13)frompins1and2topins2and3toenabletheUEFI
recoverymode.
Step6.Reinstalltheservercover;then,reconnectallpowercords.
Step7.Restarttheserver.Thesystembeginsthepower-onself-test(POST).
Step8.Boottheservertoanoperatingsystemthatissupportedbythefirmwareupdatepackagethat
youdownloaded.
Step9.Performthefirmwareupdatebyfollowingtheinstructionsthatareinthefirmwareupdatepackage
readmefile.
Step10.Turnofftheserveranddisconnectallpowercordsandexternalcables,andthenremovethe
cover(see“Removingthecover”onpage119).
Step11.MovetheUEFIbootbackupjumper(JP13)frompins2and3backtotheprimaryposition(pins1
and2).
Step12.Reinstallthecover(see“Replacingthecover”onpage120).
Step13.Reconnectthepowercordandanycablesthatyouremoved.
Step14.Restarttheserver.Thesystembeginsthepower-onself-test(POST).Ifthisdoesnotrecoverthe
primarybank,continuewiththefollowingsteps.
Step15.Removethecover(see“Removingthecover”onpage119).
Step16.ResettheCMOSbyremovingthesystembattery(see“Removingthesystembattery”onpage223).
Step17.Leavethesystembatteryoutoftheserverforapproximately5to15minutes.
Step18.Reinstallthesystembattery(see“Replacingthesystembattery”onpage226).
Step19.Reinstallthecover(see“Replacingthecover”onpage120).
Step20.Reconnectthepowercordandanycablesthatyouremoved.
Chapter3.Troubleshooting93