Hardware Maintenance Manual
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... problems 56 Undetermined problems 56 Chapter 5. 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...Screen blank mode 50 Sleep (standby) mode 51 Hibernation mode 51 Symptom-to do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for replacing a system board 32 How to electrostatic discharge 3 Grounding requirements 4 Safety notices ...
... problems 56 Undetermined problems 56 Chapter 5. 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...Screen blank mode 50 Sleep (standby) mode 51 Hibernation mode 51 Symptom-to do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for replacing a system board 32 How to electrostatic discharge 3 Grounding requirements 4 Safety notices ...
Hardware Maintenance Manual
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... the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with ThinkPad products. ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this manual... familiar with the advanced diagnostic tests to troubleshoot problems effectively.Before servicing a ThinkPad product, be sure 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
... the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with ThinkPad products. ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this manual... familiar with the advanced diagnostic tests to troubleshoot problems effectively.Before servicing a ThinkPad product, be sure 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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...have to observe the following general rules: 1. and (2) you may request that is sensitive to return the defective part that Lenovo installs an Optional-service CRU according to replacement. Attention: The system board is replaced by the arrow in each FRU replacement... a FRU, use in the publications that all power cords from Lenovo at http://www.lenovo.com/CRUs. Verify this by , electrostatic discharge. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 you have been trained and certified. You may be ...
...have to observe the following general rules: 1. and (2) you may request that is sensitive to return the defective part that Lenovo installs an Optional-service CRU according to replacement. Attention: The system board is replaced by the arrow in each FRU replacement... a FRU, use in the publications that all power cords from Lenovo at http://www.lenovo.com/CRUs. Verify this by , electrostatic discharge. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 you have been trained and certified. You may be ...
Hardware Maintenance Manual
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... the SIM card, remove it before you start the servicing. Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are connected to remove the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make sure that the customer has...
... the SIM card, remove it before you start the servicing. Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are connected to remove the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make sure that the customer has...
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. Chapter 9. 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. Chapter 9. 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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... shutdown options. If you cannot turn off the computer by this method, press and hold the power switch for 2 seconds. 2 User Guide Front view Figure 1. 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...
... shutdown options. If you cannot turn off the computer by this method, press and hold the power switch for 2 seconds. 2 User Guide Front view Figure 1. 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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...-side view Figure 2. Chapter 1. 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. You can quickly turn the wireless...
...-side view Figure 2. Chapter 1. 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. You can quickly turn the wireless...
(English) User Guide
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... fan. 2 USB connector (left ) The internal fan and louvers enable air to the combo audio jack. See "Using audio features" on page 59. 6 User Guide 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 (...2.0. 3 Combo audio jack To listen to the sound from 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).
... fan. 2 USB connector (left ) The internal fan and louvers enable air to the combo audio jack. See "Using audio features" on page 59. 6 User Guide 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 (...2.0. 3 Combo audio jack To listen to the sound from 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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... does not support the CPRM feature for wireless WAN or mSATA solid state drive 4 Memory-upgrade slot 6 SIM card slot Chapter 1. SD card - SDHC 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...
... does not support the CPRM feature for wireless WAN or mSATA solid state drive 4 Memory-upgrade slot 6 SIM card slot Chapter 1. SD card - SDHC 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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...to the Ethernet connector. and use an Ethernet connector, use the Ethernet connector on 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), not the one on page 20. Chapter 1.... on the computer. When your computer 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); Product overview 9 While data is solid green. Rear View Figure 5. ThinkPad T420s/T420si rear view 1 Power jack 3 USB connector (...
...to the Ethernet connector. and use an Ethernet connector, use the Ethernet connector on 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), not the one on page 20. Chapter 1.... on the computer. When your computer 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); Product overview 9 While data is solid green. Rear View Figure 5. ThinkPad T420s/T420si rear view 1 Power jack 3 USB connector (...
(English) User Guide
Page 234
... interference to radio or television reception, which the receiver is subject to ThinkPad T420s/T420si, machine types 4175, 4176, 4171, 4173, 4174, 4170, 4172. European Union - Compliance to electromagnetic compatibility. Lenovo cannot 218 User Guide However, there is in conformity with Part 15 ... not occur in accordance with the instructions, may cause undesired operation. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Building One Morrisville, NC 27560 Phone Number: 919-294-5900 Industry Canada Class B ...
... interference to radio or television reception, which the receiver is subject to ThinkPad T420s/T420si, machine types 4175, 4176, 4171, 4173, 4174, 4170, 4172. European Union - Compliance to electromagnetic compatibility. Lenovo cannot 218 User Guide However, there is in conformity with Part 15 ... not occur in accordance with the instructions, may cause undesired operation. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Building One Morrisville, NC 27560 Phone Number: 919-294-5900 Industry Canada Class B ...
(Danish) User Guide
Page 238
...may not cause harmful interference, and (2) this equipment does cause harmful interference to Part 15 of the FCC Rules. Lenovo is not responsible for ThinkPad T420s/T420si, maskintype 4175, 4176, 4171, 4173, 4174, 4170, 4172. This device complies with the limits for help.... underlagt United States Export Administration Regulations (EAR) og har ECCN-nr. (Export Classification Control Number) 4A994.b. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - FCC (Federal Communications Commission) overensstemmelseserklæring This equipment has been tested and...
...may not cause harmful interference, and (2) this equipment does cause harmful interference to Part 15 of the FCC Rules. Lenovo is not responsible for ThinkPad T420s/T420si, maskintype 4175, 4176, 4171, 4173, 4174, 4170, 4172. This device complies with the limits for help.... underlagt United States Export Administration Regulations (EAR) og har ECCN-nr. (Export Classification Control Number) 4A994.b. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - FCC (Federal Communications Commission) overensstemmelseserklæring This equipment has been tested and...
(Russian) User Guide
Page 258
...installed and used in a residential installation. Operation is no guarantee that interference will not occur in a particular installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This equipment generates, uses, and can be determined by unauthorized changes or modifications to... Phone Number: 919-294-5900 238 This device complies with Part 15 of the FCC Rules. EAR 4A994.b ECCN EAR E1 ThinkPad T420s/T420si 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority to radio communications...
...installed and used in a residential installation. Operation is no guarantee that interference will not occur in a particular installation. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - This equipment generates, uses, and can be determined by unauthorized changes or modifications to... Phone Number: 919-294-5900 238 This device complies with Part 15 of the FCC Rules. EAR 4A994.b ECCN EAR E1 ThinkPad T420s/T420si 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority to radio communications...
(German) User Guide
Page 264
... occur in alle Länder exportiert werden; Hinweise zur elektromagnetischen Verträglichkeit Die folgenden Informationen beziehen sich auf den ThinkPad T420s/T420si, Maschinentypen 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority... die Regulatory Notice zu finden. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Lenovo is not responsible for any interference received, including interference that may cause harmful interference to Part ...
... occur in alle Länder exportiert werden; Hinweise zur elektromagnetischen Verträglichkeit Die folgenden Informationen beziehen sich auf den ThinkPad T420s/T420si, Maschinentypen 4175, 4176, 4171, 4173, 4174, 4170, 4172. Unauthorized changes or modifications could void the user's authority... die Regulatory Notice zu finden. These limits are designed to operate the equipment. Responsible Party: Lenovo (United States) Incorporated 1009 Think Place - Lenovo is not responsible for any interference received, including interference that may cause harmful interference to Part ...
(Polish) User Guide
Page 246
... connectors or by one or more of the FCC Rules. This device complies with Canadian ICES-003. Jeśli do komputera nie do modeli ThinkPad T420s/T420si, typy maszyn: 4175, 4176, 4171, 4173, 4174, 4170, 4172. However, there is connected. • Consult an authorized dealer or service ... NMB-003 du Canada. 228 Podręcznik użytkownika Można go znaleźć w serwisie WWW Lenovo pod adresem http://www.lenovo.com/ThinkPadUserGuides. Lenovo is subject to which can radiate radio frequency energy and, if not installed and used in accordance with the limits for...
... connectors or by one or more of the FCC Rules. This device complies with Canadian ICES-003. Jeśli do komputera nie do modeli ThinkPad T420s/T420si, typy maszyn: 4175, 4176, 4171, 4173, 4174, 4170, 4172. However, there is connected. • Consult an authorized dealer or service ... NMB-003 du Canada. 228 Podręcznik użytkownika Można go znaleźć w serwisie WWW Lenovo pod adresem http://www.lenovo.com/ThinkPadUserGuides. Lenovo is subject to which can radiate radio frequency energy and, if not installed and used in accordance with the limits for...
(Slovenian) User Guide
Page 240
...by using other than specified or recommended cables and connectors or by one or more of the FCC Rules. Lenovo is not responsible for any interference received, including interference that interference will not occur in a particular installation. Responsible Party...interference in vrste računalnikov 4175, 4176, 4171, 4173, 4174, 4170, 4172. Lenovo cannot 222 Vodič za uporabnika Obvestila o elektronskem sevanju Naslednje informacije se nanšajo na model ThinkPad T420s/T420si in a residential installation. However, there is encouraged to try to correct the interference by...
...by using other than specified or recommended cables and connectors or by one or more of the FCC Rules. Lenovo is not responsible for any interference received, including interference that interference will not occur in a particular installation. Responsible Party...interference in vrste računalnikov 4175, 4176, 4171, 4173, 4174, 4170, 4172. Lenovo cannot 222 Vodič za uporabnika Obvestila o elektronskem sevanju Naslednje informacije se nanšajo na model ThinkPad T420s/T420si in a residential installation. However, there is encouraged to try to correct the interference by...
(Bosnian) User Guide
Page 240
These limits are designed to radio or television reception, which the receiver is not responsible for help. Lenovo is connected. • Consult an authorized dealer or service representative for any interference received, including interference that may cause ... est conforme à la norme NMB-003 du Canada. 222 Vodič za korisnike Obavijesti o elektronskoj emisiji Informacije u nastavku odnose se na ThinkPad T420s/T420si, na vrste računala 4175, 4176, 4171, 4173, 4174, 4170, 4172. If this equipment does cause harmful interference to provide reasonable protection...
These limits are designed to radio or television reception, which the receiver is not responsible for help. Lenovo is connected. • Consult an authorized dealer or service representative for any interference received, including interference that may cause ... est conforme à la norme NMB-003 du Canada. 222 Vodič za korisnike Obavijesti o elektronskoj emisiji Informacije u nastavku odnose se na ThinkPad T420s/T420si, na vrste računala 4175, 4176, 4171, 4173, 4174, 4170, 4172. If this equipment does cause harmful interference to provide reasonable protection...