Hardware Maintenance Manual
Page 3
...factory contents by using Recovery Disc Set 47 Passwords 49 Power-on password 49 Hard disk password 49 © Copyright Lenovo 2012 Supervisor password 49 How to remove the power-on password . . . 49 How to remove the hard disk...-related symptoms 55 Intermittent problems 56 Undetermined problems 56 Chapter 5. 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 ...card 90 1130 Bluetooth daughter card (BDC-3.0) . . . . 91 i Contents About this manual iii Chapter 1.
...factory contents by using Recovery Disc Set 47 Passwords 49 Power-on password 49 Hard disk password 49 © Copyright Lenovo 2012 Supervisor password 49 How to remove the power-on password . . . 49 How to remove the hard disk...-related symptoms 55 Intermittent problems 56 Undetermined problems 56 Chapter 5. 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 ...card 90 1130 Bluetooth daughter card (BDC-3.0) . . . . 91 i Contents About this manual iii Chapter 1.
Hardware Maintenance Manual
Page 5
... information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 31. © Copyright Lenovo 2012 iii About this manual This manual contains service and reference information for trained service technicians who are familiar with ThinkPad products. ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this...
... information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 31. © Copyright Lenovo 2012 iii About this manual This manual contains service and reference information for trained service technicians who are familiar with ThinkPad products. ThinkPad T420s and T420si Machine types (MT) 4170, 4171, 4172, 4173, 4174, 4175, and 4176 Use this...
Hardware Maintenance Manual
Page 74
...Battery pack Important notice for replacing a battery pack: 68 Hardware Maintenance Manual To remove the SIM card, you need to flip-lock ZIF connectors. 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... the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make sure that the customer has installed. 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.
...Battery pack Important notice for replacing a battery pack: 68 Hardware Maintenance Manual To remove the SIM card, you need to flip-lock ZIF connectors. 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... the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make sure that the customer has installed. 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.
(Brazilan Portuguese) User Guide
Page 246
...rique de la classe B est conforme à la norme NMB-003 du Canada. 228 Manual de Utilizador O produto pode ser exportado novamente, excepto para qualquer um dos países ... Commission) This equipment has been tested and found to this device may cause undesired operation. Lenovo is not responsible for any interference received, including interference that interference will not occur in a...es sobre emissões electrónicas As informações seguintes referem-se ao ThinkPad T420s/T420si, tipos de máquina 4175, 4176, 4171, 4173, 4174, 4170, 4172. This ...
...rique de la classe B est conforme à la norme NMB-003 du Canada. 228 Manual de Utilizador O produto pode ser exportado novamente, excepto para qualquer um dos países ... Commission) This equipment has been tested and found to this device may cause undesired operation. Lenovo is not responsible for any interference received, including interference that interference will not occur in a...es sobre emissões electrónicas As informações seguintes referem-se ao ThinkPad T420s/T420si, tipos de máquina 4175, 4176, 4171, 4173, 4174, 4170, 4172. This ...