Hardware Maintenance Manual
Page 3
.... 49 How to remove the hard disk password . . . 50 Power management 50 Screen blank mode 50 Sleep (standby) mode 51 Hibernation mode 51 Symptom-to use error message ... 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 ... . 91 i Status indicators . . . . . 57 Chapter 6. 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 ...
.... 49 How to remove the hard disk password . . . 50 Power management 50 Screen blank mode 50 Sleep (standby) mode 51 Hibernation mode 51 Symptom-to use error message ... 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 ... . 91 i Status indicators . . . . . 57 Chapter 6. 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 ...