Hardware Maintenance Manual
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...Chapter 2. Status indicators . . . . . 57 Chapter 6. Fn key combinations . . . 61 Chapter 7. Removing and replacing a FRU 67 Before servicing ThinkPad T420s and T420si models 67 1010 Battery pack 68 1020 Serial Ultrabay Slim device or travel bezel . . 69 1030 Solid state drive (SSD) or hard disk drive (HDD... safety 1 Electrical safety 2 Safety inspection guide 3 Handling devices that are sensitive to do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for wireless WAN . . 77 1070 4-in-1 media card reader 79 1080 Keyboard 80 1090 ...
...Chapter 2. Status indicators . . . . . 57 Chapter 6. Fn key combinations . . . 61 Chapter 7. Removing and replacing a FRU 67 Before servicing ThinkPad T420s and T420si models 67 1010 Battery pack 68 1020 Serial Ultrabay Slim device or travel bezel . . 69 1030 Solid state drive (SSD) or hard disk drive (HDD... safety 1 Electrical safety 2 Safety inspection guide 3 Handling devices that are sensitive to do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for wireless WAN . . 77 1070 4-in-1 media card reader 79 1080 Keyboard 80 1090 ...
Hardware Maintenance Manual
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...ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad...® products. Use this manual along with the advanced diagnostic tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 31. © Copyright Lenovo 2012 iii ...
...ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad...® products. Use this manual along with the advanced diagnostic tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 31. © Copyright Lenovo 2012 iii ...
Hardware Maintenance Manual
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...install yourself, called a "Customer Replaceable Unit" or "CRU." Before replacing any interconnecting cables. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 Removing and replacing a FRU External CRU statement to replace a FRU, turn on the computer until...is required: (1) return instructions, a prepaid shipping label, and a container will ship the CRU to return the defective part that Lenovo installs an Optional-service CRU according to service any FRUs that pertain to be resolved with one hand or by shaking the computer...
...install yourself, called a "Customer Replaceable Unit" or "CRU." Before replacing any interconnecting cables. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 Removing and replacing a FRU External CRU statement to replace a FRU, turn on the computer until...is required: (1) return instructions, a prepaid shipping label, and a container will ship the CRU to return the defective part that Lenovo installs an Optional-service CRU according to service any FRUs that pertain to be resolved with one hand or by shaking the computer...
Hardware Maintenance Manual
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Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are servicing has the SIM card, remove it before you finish the servicing, make sure that the customer has installed. When disconnecting a cable from ... connector: Some cables used in this figure. 1 2 1010 Battery pack Important notice for replacing a battery pack: 68 Hardware Maintenance Manual Some models of the ThinkPad T420s and T420si you are servicing might have the SIM card that you insert the card back into the slot firmly. To remove the SIM card, you need...
Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are servicing has the SIM card, remove it before you finish the servicing, make sure that the customer has installed. When disconnecting a cable from ... connector: Some cables used in this figure. 1 2 1010 Battery pack Important notice for replacing a battery pack: 68 Hardware Maintenance Manual Some models of the ThinkPad T420s and T420si you are servicing might have the SIM card that you insert the card back into the slot firmly. To remove the SIM card, you need...
Hardware Maintenance Manual
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...) 12 TrackPoint pointing stick 13 TrackPoint buttons 14 Touch pad buttons 15 Touch pad 16 UltraNav 17 Volume control buttons 1: For the description of the ThinkPad T420s and T420si hardware components. Locations This chapter presents the locations of each indicator, see Chapter 5 "Status indicators" on page 57. © Copyright...
...) 12 TrackPoint pointing stick 13 TrackPoint buttons 14 Touch pad buttons 15 Touch pad 16 UltraNav 17 Volume control buttons 1: For the description of the ThinkPad T420s and T420si hardware components. Locations This chapter presents the locations of each indicator, see Chapter 5 "Status indicators" on page 57. © Copyright...
(English) User Guide
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... (right) 14 Built-in stereo speaker (right) 16 Fingerprint reader 18 Touch pad 20 Fn key 22 Built-in "Changing display settings" on the computer. ThinkPad T420s/T420si front view 1 Computer display 3 ThinkVantage button 5 TrackPoint pointing stick 7 System and power-status indicators 9 Built-in microphone (left) 11 ThinkLight 13 UltraConnect™ wireless antennas...
... (right) 14 Built-in stereo speaker (right) 16 Fingerprint reader 18 Touch pad 20 Fn key 22 Built-in "Changing display settings" on the computer. ThinkPad T420s/T420si front view 1 Computer display 3 ThinkVantage button 5 TrackPoint pointing stick 7 System and power-status indicators 9 Built-in microphone (left) 11 ThinkLight 13 UltraConnect™ wireless antennas...
(English) User Guide
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... device in the bay. You cannot install a Serial Ultrabay Enhanced device. 3 Wireless radio switch You can purchase a security cable and lock to fit this switch. ThinkPad T420s/T420si right side view 1 Security keyhole 3 Wireless radio switch 2 Serial Ultrabay Slim 1 Security keyhole Your computer comes with a security keyhole. Chapter 1. Product overview 5 You can quickly...
... device in the bay. You cannot install a Serial Ultrabay Enhanced device. 3 Wireless radio switch You can purchase a security cable and lock to fit this switch. ThinkPad T420s/T420si right side view 1 Security keyhole 3 Wireless radio switch 2 Serial Ultrabay Slim 1 Security keyhole Your computer comes with a security keyhole. Chapter 1. Product overview 5 You can quickly...
(English) User Guide
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... "Using audio features" on page 59. 6 User Guide If you are used for connecting devices compatible with a USB interface, such as a printer or a digital camera. ThinkPad T420s/T420si left-side view 1 Fan louvers (left) 3 Combo audio jack 5 Smart card slot 2 USB connector (left) 4 Media card reader slot or ExpressCard slot 1 Fan louvers... supported by the combo audio jack of your computer, connect a headphone or a headset that has a 3.5mm 4-pole plug, to circulate in front of ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W).
... "Using audio features" on page 59. 6 User Guide If you are used for connecting devices compatible with a USB interface, such as a printer or a digital camera. ThinkPad T420s/T420si left-side view 1 Fan louvers (left) 3 Combo audio jack 5 Smart card slot 2 USB connector (left) 4 Media card reader slot or ExpressCard slot 1 Fan louvers... supported by the combo audio jack of your computer, connect a headphone or a headset that has a 3.5mm 4-pole plug, to circulate in front of ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W).
(English) User Guide
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ThinkPad T420s/T420si bottom view 1 PCI Express Mini Card slot for wireless LAN/WiMAX 3 Docking connector 5 Hard disk drive or solid state drive 7 Battery 2 PCI Express Mini Card ...
ThinkPad T420s/T420si bottom view 1 PCI Express Mini Card slot for wireless LAN/WiMAX 3 Docking connector 5 Hard disk drive or solid state drive 7 Battery 2 PCI Express Mini Card ...
(English) User Guide
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ThinkPad T420s/T420si rear view 1 Power jack 3 USB connector (rear) 5 DisplayPort connector 7 Fan louvers (rear) 2 Ethernet connector 4 Always On USB connector 6 Monitor connector 1 Power jack The ac power ... indicator blinks yellow. When your computer to the instructions in "Access Connections" on the computer. For details, refer to the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, or ThinkPad Mini Dock Plus Series 3 (170 W); Two indicators, to this connector. Rear View Figure 5. and use an Ethernet connector, use...
ThinkPad T420s/T420si rear view 1 Power jack 3 USB connector (rear) 5 DisplayPort connector 7 Fan louvers (rear) 2 Ethernet connector 4 Always On USB connector 6 Monitor connector 1 Power jack The ac power ... indicator blinks yellow. When your computer to the instructions in "Access Connections" on the computer. For details, refer to the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, or ThinkPad Mini Dock Plus Series 3 (170 W); Two indicators, to this connector. Rear View Figure 5. and use an Ethernet connector, use...
(English) User Guide
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...the following information refers to ThinkPad T420s/T420si, machine types 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority to provide reasonable protection against harmful interference in a residential installation. Lenovo is connected. • ... to radio or television reception, which the receiver is not responsible for help. If this equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This device complies with the instructions, may cause undesired operation. These limits ...
...the following information refers to ThinkPad T420s/T420si, machine types 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority to provide reasonable protection against harmful interference in a residential installation. Lenovo is connected. • ... to radio or television reception, which the receiver is not responsible for help. If this equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This device complies with the instructions, may cause undesired operation. These limits ...
(Danish) User Guide
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... equipment into an outlet on , the user is no guarantee that interference will not occur in a particular installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Bemærkninger vedr. elektronisk stråling Nedenstående oplysninger gælder ...5900 Industry Canada-overensstemmelseserklæring om klasse B-emissioner This Class B digital apparatus complies with the limits for help. Lenovo is not responsible for ThinkPad T420s/T420si, maskintype 4175, 4176, 4171, 4173, 4174, 4170, 4172. However, there is encouraged to try to correct the...
... equipment into an outlet on , the user is no guarantee that interference will not occur in a particular installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Bemærkninger vedr. elektronisk stråling Nedenstående oplysninger gælder ...5900 Industry Canada-overensstemmelseserklæring om klasse B-emissioner This Class B digital apparatus complies with the limits for help. Lenovo is not responsible for ThinkPad T420s/T420si, maskintype 4175, 4176, 4171, 4173, 4174, 4170, 4172. However, there is encouraged to try to correct the...
(Russian) User Guide
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... an outlet on a circuit different from that interference will not occur in a residential installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - These limits are designed to operate the equipment. This device complies... protection against harmful interference in a particular installation. ThinkPad Regulatory Notice Regulatory Notice Lenovo http://www.lenovo.com/ThinkPadUserGuides Regulatory Notice United States Export Administration Regulations - EAR 4A994.b ECCN EAR E1 ThinkPad T420s/T420si 4175, 4176, 4171, 4173, 4174, 4170,...
... an outlet on a circuit different from that interference will not occur in a residential installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - These limits are designed to operate the equipment. This device complies... protection against harmful interference in a particular installation. ThinkPad Regulatory Notice Regulatory Notice Lenovo http://www.lenovo.com/ThinkPadUserGuides Regulatory Notice United States Export Administration Regulations - EAR 4A994.b ECCN EAR E1 ThinkPad T420s/T420si 4175, 4176, 4171, 4173, 4174, 4170,...
(German) User Guide
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... installation. Hinweise zur elektromagnetischen Verträglichkeit Die folgenden Informationen beziehen sich auf den ThinkPad T420s/T420si, Maschinentypen 4175, 4176, 4171, 4173, 4174, 4170, 4172. Lenovo is encouraged to try to correct the interference by one or more of the following...or service representative for a Class B digital device, pursuant to provide reasonable protection against harmful interference in der ThinkPad Regulatory Notice (ThinkPad-Informationen zur Verwendung von Einheiten), die im Lieferumfang des Computers enthalten ist. FCC-Konformitätserklärung...
... installation. Hinweise zur elektromagnetischen Verträglichkeit Die folgenden Informationen beziehen sich auf den ThinkPad T420s/T420si, Maschinentypen 4175, 4176, 4171, 4173, 4174, 4170, 4172. Lenovo is encouraged to try to correct the interference by one or more of the following...or service representative for a Class B digital device, pursuant to provide reasonable protection against harmful interference in der ThinkPad Regulatory Notice (ThinkPad-Informationen zur Verwendung von Einheiten), die im Lieferumfang des Computers enthalten ist. FCC-Konformitätserklärung...
(Polish) User Guide
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Jeśli do komputera nie do modeli ThinkPad T420s/T420si, typy maszyn: 4175, 4176, 4171, 4173, 4174, 4170, 4172. Uwaga o...; z wyjątkiem krajów objętych embargiem wymienionych na liście EAR E1. Lenovo is no guarantee that may cause undesired operation. Unauthorized changes or modifications could void the user's authority to..., which can radiate radio frequency energy and, if not installed and used in a residential installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This equipment generates, uses, and can be determined by turning the...
Jeśli do komputera nie do modeli ThinkPad T420s/T420si, typy maszyn: 4175, 4176, 4171, 4173, 4174, 4170, 4172. Uwaga o...; z wyjątkiem krajów objętych embargiem wymienionych na liście EAR E1. Lenovo is no guarantee that may cause undesired operation. Unauthorized changes or modifications could void the user's authority to..., which can radiate radio frequency energy and, if not installed and used in a residential installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This equipment generates, uses, and can be determined by turning the...
(Slovenian) User Guide
Page 240
Obvestila o elektronskem sevanju Naslednje informacije se nanšajo na model ThinkPad T420s/T420si in a residential installation. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Izjava Zvezne komisije za komunikacije o skladnosti This equipment has... caused by using other than specified or recommended cables and connectors or by one or more of the FCC Rules. Lenovo is subject to radio or television reception, which the receiver is connected. • Consult an authorized dealer or service...
Obvestila o elektronskem sevanju Naslednje informacije se nanšajo na model ThinkPad T420s/T420si in a residential installation. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Izjava Zvezne komisije za komunikacije o skladnosti This equipment has... caused by using other than specified or recommended cables and connectors or by one or more of the FCC Rules. Lenovo is subject to radio or television reception, which the receiver is connected. • Consult an authorized dealer or service...
(Bosnian) User Guide
Page 240
...to correct the interference by unauthorized changes or modifications to provide reasonable protection against harmful interference in a particular installation. Lenovo is no guarantee that may cause harmful interference to Part 15 of the FCC Rules. Napomena o klasifikaciji izvoza ...382;ava (EAR) i ima kontrolni broj klasifikacije izvoza (ECCN) 4A994.b. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Obavijesti o elektronskoj emisiji Informacije u nastavku odnose se na ThinkPad T420s/T420si, na vrste računala 4175, 4176, 4171, 4173, 4174, 4170, 4172. ...
...to correct the interference by unauthorized changes or modifications to provide reasonable protection against harmful interference in a particular installation. Lenovo is no guarantee that may cause harmful interference to Part 15 of the FCC Rules. Napomena o klasifikaciji izvoza ...382;ava (EAR) i ima kontrolni broj klasifikacije izvoza (ECCN) 4A994.b. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Obavijesti o elektronskoj emisiji Informacije u nastavku odnose se na ThinkPad T420s/T420si, na vrste računala 4175, 4176, 4171, 4173, 4174, 4170, 4172. ...