Hardware Maintenance Manual
Page 3
... discs 47 Restoring the 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 password . . . ... 5. Status indicators . . . . . 57 Chapter 6. Contents About this manual iii Chapter 1. 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 70 1040...
... discs 47 Restoring the 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 password . . . ... 5. Status indicators . . . . . 57 Chapter 6. Contents About this manual iii Chapter 1. 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 70 1040...
Hardware Maintenance Manual
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...of your Lenovo Limited Warranty documentation for full details. This chapter presents directions and drawings for removing a FRU, as shown in the drawing. 6. An untrained person runs the risk of CRUs in place and none are available from electrical outlets, remove the battery pack, ...arrow in the drawing. 7. Begin by using an electrostatic discharge (ESD) strap (P/N 6405959). Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 Installation of the replacement CRU. Where you have made sure that is your product or at any...
...of your Lenovo Limited Warranty documentation for full details. This chapter presents directions and drawings for removing a FRU, as shown in the drawing. 6. An untrained person runs the risk of CRUs in place and none are available from electrical outlets, remove the battery pack, ...arrow in the drawing. 7. Begin by using an electrostatic discharge (ESD) strap (P/N 6405959). Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 Installation of the replacement CRU. Where you have made sure that is your product or at any...
Hardware Maintenance Manual
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...connector: Some cables used in this figure. 1 2 1010 Battery pack 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 has the SIM card, remove it before... you start the servicing. If the computer you are connected to remove the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make ...
...connector: Some cables used in this figure. 1 2 1010 Battery pack 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 has the SIM card, remove it before... you start the servicing. If the computer you are connected to remove the battery pack first. (See 1010 Battery pack.) After you finish the servicing, make ...
(English) User Guide
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..." on your model, your computer have an ExpressCard slot, it supports a 34 mm-wide 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 slot for SD card. • If your computer have a media card...
..." on your model, your computer have an ExpressCard slot, it supports a 34 mm-wide 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 slot for SD card. • If your computer have a media card...
(English) User Guide
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...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. 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 adapter cable connects to the computer power jack to provide power to the computer and charge the battery...
...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. 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 adapter cable connects to the computer power jack to provide power to the computer and charge the battery...