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ThinkCentr e
Har dwar e Maint enance Manual
Machine T ypes: 0266, 0384, 2491, 4168, 5027, 5067, 7516, and 7519
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ThinkCentr e Har dwar e Maint enance Manual Machine T ypes: 0266, 0384, 2491, 4168, 5027, 5067, 7516, and 7519
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Not e Befor e using this information and the pr oduct it suppor ts, be sur e t o r ead and understand the Chapt er 2 “Safety information” on page 3 and Appendix A “Notices” on page 183 . F our th Edition (August 2011) © Copyright L enovo 2011. LIMITED AND RES TRIC TED RIGHT S NO TICE: If data or softwar e ar e deliver ed pursuant a Gener al Ser vices Administr ation “GSA ” contr act, use, r epr oduction, or disclosur e is subject t o r estrictions set for th in Contr act No. GS-35F-05925.
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Contents Chapt er 1. About this manual . . . . . . 1 Er asing lost or for gott en passwor ds (clearing CMOS) . . . . . . . . . . . . . . . . 43 Impor tant safety information . . . . . . . . . . 1 Enabling or disabling a device . . . . . . . . 43 Impor tant information about r eplacing RoHS compliant FRUs . . . . . . . . . . . . . . . 1 Selecting a star tup device . . . . . . . . . . 44 Selecting a t empor ar y star tup device . . . . 44 Chapt er 2. Safety information . . . . . . 3 Selecting or c
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Adapt ers and miscellaneous FRUs . . . . . . . 147 Har dwar e-contr olled passwor ds . . . . . . 179 P ower Cor ds . . . . . . . . . . . . . . . 149 Oper ating syst em passwor d . . . . . . . 179 Recover y discs . . . . . . . . . . . . . . 156 V ital P r oduct Data . . . . . . . . . . . 179 W indows 7 P r ofessional 32 Recover y CD . . 156 Secur e Managed Client . . . . . . . . . 179 W indows 7 Home Basic 32 Recover y CD . . 162 BIOS levels . . . . . . . . . . . . . . . . 179 W indows 7 Home P r
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Chapt er 1. About this manual This manual contains ser vice and r efer ence information for ThinkCentr e® comput er machine types list ed on the fr ont cover . This manual is int ended only for tr ained ser vicers who ar e familiar with L enovo® comput er pr oducts. Not e: Be sur e t o r ead and understand the Chapt er 2 “Safety information” on page 3 befor e using the information in this manual. This manual includes a complet e FRU par t number list for each machine type list ed on the fr ont c
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Not e: RoHS and non-RoHS FRU par t numbers with the same fit and function ar e identified with unique FRU par t numbers. L enovo plans t o tr ansition t o RoHS compliance well befor e the implementation dat e and e xpects its suppliers t o be r eady t o suppor t L enovo's r equir ements and schedule in the EU . P r oducts sold in 2005 will contain some RoHS compliant FRUs. The following stat ement per tains t o these pr oducts and any pr oduct L enovo pr oduces containing RoHS compliant par ts.
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Chapt er 2. Safety information This chapt er contains the safety information that you need t o be familiar with befor e ser vicing a comput er . Gener al safety F ollow these rules t o ensur e gener al safety: • Obser ve good housek eeping in the ar ea of the machines during and aft er maint enance. • When lifting any heav y object: 1. Ensur e you can stand safely without slipping. 2. Distribut e the weight of the object equally between your feet. 3. Use a slow lifting for ce. Never move suddenl
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Impor tant: Use only appr oved t ools and t est equipment. Some hand t ools have handles cover ed with a soft mat erial that does not insulat e you when working with live electrical curr ents. Many cust omers have, near their equipment, rubber floor mats that contain small conductive fibers t o decr ease electr ostatic dischar ges. Do not use this type of mat t o pr ot ect yourself fr om electrical shock. • Find the r oom emer gency power -off (EPO) switch, disconnecting switch, or electrical ou
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V oltage-selection switch Some comput ers ar e equipped with a voltage-selection switch locat ed near the power -cor d connection point on the comput er . If your comput er has a voltage-selection switch, ensur e that you set the switch t o match the voltage available at your electrical outlet. Setting the voltage-selection switch incorr ectly can cause permanent damage t o the comput er . If your comput er does not have a voltage-selection switch, your comput er is designed t o oper at e only a
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5. Check for any obvious alt er ations. Use good judgment as t o the safety of any alt er ations. 6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, wat er or other liquids, or signs of fir e or smok e damage. 7. Check for worn, fr ayed, or pinched cables. 8. Check that the power -supply cover fast eners (scr ews or rivets) have not been r emoved or tamper ed with. Handling electr ostatic dischar ge-sensitive devices Any comput er par t containing t
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• F r ench • German • Hebr ew • Italian • K or ean • Spanish D ANGER Electrical curr ent fr om power , t elephone and communication cables is hazar dous. T o avoid a shock hazar d: • Do not connect or disconnect any cables or per form installation, maint enance, or r econfigur ation of this pr oduct during an electrical st orm. • Connect all power cor ds t o a pr operly wir ed and gr ounded electrical outlet. • Connect t o pr operly wir ed outlets any equipment that will be attached t o this pr
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C A UTION: When laser pr oducts (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or tr ansmitt ers) ar e installed, not e the following: • Do not r emove the covers. Removing the covers of the laser pr oduct could r esult in e xposur e t o hazar dous laser r adiation. Ther e ar e no ser viceable par ts inside the device. • Use of contr ols or adjustments or per formance of pr ocedur es other than those specified her ein might r esult in hazar dous r adiation e xposur e. D ANGER Some laser
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Chapt er 2 . Safety information 9
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≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) PERIGO 10 ThinkCentr e Har dwar e Maint enance Manual 2 1
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A corr ent e elétrica pr ovenient e de cabos de alimentação, de t elefone e de comunicações é perigosa. P ar a evitar risco de choque elétrico: • Não conect e nem desconect e nenhum cabo ou e x ecut e instalação, manut enção ou r econfigur ação dest e pr odut o dur ant e uma t empestade com r aios. • Conect e t odos os cabos de alimentação a t omadas elétricas corr etament e instaladas e at err adas. • T odo equipament o que for conectado a est e pr odut o deve ser conectado a t omadas corr etam
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• Não r emova as tampas. A r emoção das tampas de um pr odut o a laser pode r esultar em e xposição pr ejudicial à r adiação de laser . Não e xist em peças que podem ser conser tadas no int erior do dispositivo. • A utilização de contr oles ou ajust es ou a e x ecução de pr ocediment os difer ent es dos especificados aqui pode r esultar em e xposição pr ejudicial à r adiação. PERIGO Alguns pr odut os a laser cont êm diodo de laser int egr ado da Classe 3A ou da Classe 3B. Obser ve o seguint e: R
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Chapt er 2 . Safety information 13
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