Lenovo ThinkPad L420 Bedienungsanleitung

Lenovo Laptop ThinkPad L420

Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Lenovo ThinkPad L420 (172 Seiten) in der Kategorie Laptop. Dieser Bedienungsanleitung war für 3 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

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HardwareMaintenanceManual
ThinkPadL420,L421,andL520
Note
Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder
AppendixA“Notices”onpage163 .
Firstedition(March2011)
©CopyrightLenovo2011.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation.....1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................17
Chapter2.Importantservice
information..............25
StrategyforreplacingFRUs.........25
Strategyforreplacingaharddiskdrive...26
Importantnoticeforreplacingasystem
board................26
Howtouseerrormessage........26
StrategyforreplacingFRUsforCTO,CMV,and
GAV..................
Productdenition............26
FRUidenticationforCTO,CMV,andGAV
products...............27
Chapter3.Generalcheckout.....29
Whattodorst..............29
Checkoutguide..............30
DiagnosticsusingPC-DoctorforDOS....30
LenovoThinkVantageToolbox.......33
FRUtests...............33
Powersystemcheckout...........34
Checkingtheacpoweradapter......34
Checkingoperationalcharging......35
Checkingthebatterypack........35
Checkingthebackupbattery.......36
Chapter4.Relatedservice
information..............37
RestoringthefactorycontentsbyusingRecovery
DiscSet.................37
Passwords................38
Power-onpassword...........38
Hard-diskpassword...........38
Supervisorpassword..........39
Howtoremovethepower-onpassword...39
Howtoremovethehard-diskpassword...39
Powermanagement............40
Screenblankmode...........40
Sleep(standby)mode..........40
Hibernationmode...........41
Symptom-to-FRUindex...........41
Numericerrorcodes..........42
Errormessages............44
No-beepsymptoms...........44
LCD-relatedsymptoms.........44
Intermittentproblems..........45
Undeterminedproblems.........45
Chapter5.Statusindicators.....47
Chapter6.Fnkeycombinations...49
Chapter7.FRUreplacement
notices................53
Screwnotices...............53
Retainingserialnumbers...........54
Restoringtheserialnumberofthesystem
unit.................54
RetainingtheUUID...........54
ReadingorwritingtheECAinformation...55
Chapter8.Removingandreplacinga
FRU..................57
1010Batterypack.............57
1020ExpressCardblankbezelandMediaCard
blankbezel................58
1030Opticaldriveortravelcover.......60
1040Thermalcover.............61
1050Harddiskdriveorsolidstatedrive
assembly.................62
1060DIMM................64
1070Fanassembly.............65
1080CPU................68
1090SIMslotcover............69
1100WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........71
1110Palmrestassemblywithcables......73
1120PCIExpressMiniCardforwirelessLAN..76
1130Backupbattery............78
1140Bluetoothdaughtercard........78
1150MediaCardReaderslotboardandMedia
CardReadercableassembly.........79
1160Keyboard..............81
1170Keyboardbezel............83
©CopyrightLenovo2011 i


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Marke: Lenovo
Kategorie: Laptop
Modell: ThinkPad L420

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