Lenovo T550 Technical Information download pdf (Page 31)

1.GototheC:\SWTOOLS\ldiagdirectory.

2.Double-clickthegui_lsc_lite.exeﬁle.

3.WhentheUserAccountControlwindowopens,clickYes.

4.Selectthedeviceclasstobetested.

5.Selectthedevicestobetested.

6.Selectthetesttobeperformed.

7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information

messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestinternalstoragedevices,

viewsysteminformation,andcheckandrecoverbadsectorsoninternalstoragedevices.

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage26,

andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage35

forerrorcodedescriptionsandtroubleshootinghints.

2.WhentheThinkPadlogoisdisplayed,repeatedlypressandreleasetheF10key.Themainscreenofthe

UEFIdiagnosticprogramisdisplayed.

3.Followtheinstructionsonthescreentousethediagnosticprogram.

Bootablediagnosticprograms

IfthecomputeryouareservicingisnotinstalledwiththeUEFIdiagnosticprogram,youcandownloada

bootablediagnosticprogramfromtheLenovoSupportWebsite.Thebootablediagnosticprogramsenable

youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecover

theinternalstoragedevices.Tousethebootablediagnosticprograms,youcancreateabootablediagnostic

mediumonaUSBdeviceorCD.

Tocreateabootablediagnosticmedium,dothefollowing:

1.Gotohttp://www.lenovo.com/diags.

2.ClickLenovoBootableDiagnostics.

3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.

Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:

•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:

1.AttachtheUSBdevicetothecomputer.

2.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage

,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on

page35forerrorcodedescriptionsandtroubleshootinghints.

3.WhentheThinkPadlogoisdisplayed,repeatedlypressandreleasetheF12key.WhentheBoot

Menuwindowopens,releasetheF12key.

4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe

launchedautomatically.

5.Followtheinstructionsonthescreentousethediagnosticprogram.

•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:

Chapter3.Generalcheckout25

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Lenovo T550 Technical Information Page 31