Hardware Maintenance Manual
Page 3
...do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for CTO, CMV, and GAV products 33 Chapter 3. Related service information 47 Restoring the factory contents by using Product...Lenovo diagnostics programs 40 Power system checkout 42 Checking the ac power adapter 43 Checking operational charging 44 Checking the battery pack 44 Checking the backup battery 44 Chapter 4. Status indicators . . . . . 57 Chapter 6. Contents About this manual iii Chapter 1. Removing and replacing a FRU 67 Before servicing ThinkPad T420s and T420si...
...do first 35 Checkout guide 36 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for CTO, CMV, and GAV products 33 Chapter 3. Related service information 47 Restoring the factory contents by using Product...Lenovo diagnostics programs 40 Power system checkout 42 Checking the ac power adapter 43 Checking operational charging 44 Checking the battery pack 44 Checking the backup battery 44 Chapter 4. Status indicators . . . . . 57 Chapter 6. Contents About this manual iii Chapter 1. Removing and replacing a FRU 67 Before servicing ThinkPad T420s and T420si...
Hardware Maintenance Manual
Page 5
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...
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...
Hardware Maintenance Manual
Page 74
... Important notice for replacing a battery pack: 68 Hardware Maintenance Manual Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are servicing might have the SIM card that you start the servicing. If the computer you are servicing has the SIM card, remove it before you insert...
... Important notice for replacing a battery pack: 68 Hardware Maintenance Manual Notice on disconnecting the cable from the flip-lock ZIF connector, do as shown in ThinkPad T420s and T420si models are servicing might have the SIM card that you start the servicing. If the computer you are servicing has the SIM card, remove it before you insert...
(Brazilan Portuguese) User Guide
Page 246
...-se ao ThinkPad T420s/T420si, tipos de máquina 4175, 4176, 4171, 4173, 4174, 4170, 4172. If this equipment. Operation is connected. • Consult an authorized dealer or service representative for any interference received, including interference that may cause undesired operation. Responsible Party: Lenovo (United States... the equipment. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. 228 Manual de Utilizador Aviso de restrição da exportação Este produto está sujeito às Export Administration Regulations (...
...-se ao ThinkPad T420s/T420si, tipos de máquina 4175, 4176, 4171, 4173, 4174, 4170, 4172. If this equipment. Operation is connected. • Consult an authorized dealer or service representative for any interference received, including interference that may cause undesired operation. Responsible Party: Lenovo (United States... the equipment. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. 228 Manual de Utilizador Aviso de restrição da exportação Este produto está sujeito às Export Administration Regulations (...