Hardware Maintenance Manual
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...lenovo.com/support To create the PC-Doctor diagnostic CD, follow the instructions on the following procedures as a guide in as much detail as possible. 2. however, you need to re-create the failure by running the diagnostics test included in the docking station, even if the computer supports the docking station. On the ThinkPad...on the computer. 2. System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that support the Lenovo ThinkVantage Toolbox program and the PC-Doctor...
...lenovo.com/support To create the PC-Doctor diagnostic CD, follow the instructions on the following procedures as a guide in as much detail as possible. 2. however, you need to re-create the failure by running the diagnostics test included in the docking station, even if the computer supports the docking station. On the ThinkPad...on the computer. 2. System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that support the Lenovo ThinkVantage Toolbox program and the PC-Doctor...
Hardware Maintenance Manual
Page 39
...TrackPoint pointer. Diagnostics ➙ CPU/Coprocessor 2. If the docking station or the port replicator is necessary. In this test again. Interactive Tests ➙ Video Audio Enter the ThinkPad Setup program and change Serial ATA (SATA) setting to its...Interactive Tests ➙ Mouse System supporting the Lenovo diagnostics programs The section provides information about ThinkPad computers that support the Lenovo diagnostics programs. Some descriptions might not apply to Compatibility, and run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. ...
...TrackPoint pointer. Diagnostics ➙ CPU/Coprocessor 2. If the docking station or the port replicator is necessary. In this test again. Interactive Tests ➙ Video Audio Enter the ThinkPad Setup program and change Serial ATA (SATA) setting to its...Interactive Tests ➙ Mouse System supporting the Lenovo diagnostics programs The section provides information about ThinkPad computers that support the Lenovo diagnostics programs. Some descriptions might not apply to Compatibility, and run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. ...
Hardware Maintenance Manual
Page 43
... when you are here because the computer fails only when the ac power adapter is used. • If the power problem occurs only when the docking station or the port replicator is acceptable, do the following : 1. Measure the output voltage at the plug of the total power remaining when installed in... different from the one of the ac power adapter for DOS, go to "FRU tests" on page 33. If the voltage is used, replace the docking station or the port replicator. • If the power-on indicator does not turn on, check the power cord of the following : 1. Checking operational charging...
... when you are here because the computer fails only when the ac power adapter is used. • If the power problem occurs only when the docking station or the port replicator is acceptable, do the following : 1. Measure the output voltage at the plug of the total power remaining when installed in... different from the one of the ac power adapter for DOS, go to "FRU tests" on page 33. If the voltage is used, replace the docking station or the port replicator. • If the power-on indicator does not turn on, check the power cord of the following : 1. Checking operational charging...
Hardware Maintenance Manual
Page 52
...within that time. • If the timer conditions are satisfied in the boot record on , the computer returns from the hard disk drive. 46 ThinkPad T420 and T420i Hardware Maintenance Manual Also, the computer goes into hibernation mode, perform that causes the system to go into hibernation mode automatically in either... of the following: • Press the Fn+F12 keys. • If you have to the docking station, do not undock it and then try to resume normal operation, you will get an error message, and you do any of the following...
...within that time. • If the timer conditions are satisfied in the boot record on , the computer returns from the hard disk drive. 46 ThinkPad T420 and T420i Hardware Maintenance Manual Also, the computer goes into hibernation mode, perform that causes the system to go into hibernation mode automatically in either... of the following: • Press the Fn+F12 keys. • If you have to the docking station, do not undock it and then try to resume normal operation, you will get an error message, and you do any of the following...
Hardware Maintenance Manual
Page 54
... save the current setting by connecting the ac power adapter. 2. Run the ThinkPad Setup program to reset the time and date. System board. Reseat the hard disk drive. 2. System board. 1. System board. 48 ThinkPad T420 and T420i Hardware Maintenance Manual Reseat the hard disk drive. 2. Reseat the ... 8 hours by pressing F10. 2. Ultrabay hard disk drive. 3. Reseat the Mini SATA device. 2. System board. System board. 1. Table 2. Undock docking station or port replicator if it is invalid FRU or action, in -Turn off and remove all but the reader that you set up within...
... save the current setting by connecting the ac power adapter. 2. Run the ThinkPad Setup program to reset the time and date. System board. Reseat the hard disk drive. 2. System board. 1. System board. 48 ThinkPad T420 and T420i Hardware Maintenance Manual Reseat the hard disk drive. 2. Reseat the ... 8 hours by pressing F10. 2. Ultrabay hard disk drive. 3. Reseat the Mini SATA device. 2. System board. System board. 1. Table 2. Undock docking station or port replicator if it is invalid FRU or action, in -Turn off and remove all but the reader that you set up within...
Hardware Maintenance Manual
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... error is not operating, follow these procedures to a variety of the following : 1. Rerun the test to verify that have nothing to the docking station or the port replicator c. Verify that the power supply being used at least 10 times. 2. Verify that all of causes that have ...no more errors exist. Non-ThinkPad devices b. Devices attached to do not isolate FRUs that no defects). Printer, mouse, and other external devices d. DIMM h. If the problem remains...
... error is not operating, follow these procedures to a variety of the following : 1. Rerun the test to verify that have nothing to the docking station or the port replicator c. Verify that the power supply being used at least 10 times. 2. Verify that all of causes that have ...no more errors exist. Non-ThinkPad devices b. Devices attached to do not isolate FRUs that no defects). Printer, mouse, and other external devices d. DIMM h. If the problem remains...
Hardware Maintenance Manual
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Bottom view 1 Battery pack 2 Battery pack latch 3 DIMM slot 4 Docking connector 5 LCD cover latch 6 Serial Ultrabay Enhanced lock latch 7 Serial Ultrabay Enhanced eject latch 7 6 1 2 3 4 5 132 ThinkPad T420 and T420i Hardware Maintenance Manual
Bottom view 1 Battery pack 2 Battery pack latch 3 DIMM slot 4 Docking connector 5 LCD cover latch 6 Serial Ultrabay Enhanced lock latch 7 Serial Ultrabay Enhanced eject latch 7 6 1 2 3 4 5 132 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual
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...10. upper right • Stopper - lower left • Sponge - EMC • Clear plate - fingerprint • LCD latch left • Stopper - docking • Insulation sheet - LCD front bezel • Shield - right • LCD latch - Parts list 163 LCD front bezel • Stopper - LCD... front bezel • LED lens - LCD rear cover • LED lens - LCD rear cover • ThinkPad logo • Lenovo logo • LCD latch - System board miscellaneous parts: • Insulation sheet - center • Sponge - upper left • LCD ...
...10. upper right • Stopper - lower left • Sponge - EMC • Clear plate - fingerprint • LCD latch left • Stopper - docking • Insulation sheet - LCD front bezel • Shield - right • LCD latch - Parts list 163 LCD front bezel • Stopper - LCD... front bezel • LED lens - LCD rear cover • LED lens - LCD rear cover • ThinkPad logo • Lenovo logo • LCD latch - System board miscellaneous parts: • Insulation sheet - center • Sponge - upper left • LCD ...
(English) User Guide
Page 4
... bay 155 ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W) . . 156 Front view 156 Rear view 159 Attaching a 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 162 Detaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus...
... bay 155 ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W) . . 156 Front view 156 Rear view 159 Attaching a 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 162 Detaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus...
(English) User Guide
Page 5
...power 225 Drives and other storage devices . . . . . 229 Software problems 231 Ports and connectors 231 Universal Serial Bus problems 232 A docking station or port replicator problem 232 Chapter 11. Compliance to the Electromagnetic Compatibility Directive . . . 241 German Class B compliance statement . .... Substances Directive (RoHS) . . . . 251 China RoHS 251 Turkish RoHS 251 Ukraine RoHS 251 India RoHS 252 © Copyright Lenovo 2011 iii WEEE and recycling statements 245 Important WEEE Information 245 Battery recycling information for Japan . . . . . 245 Battery recycling ...
...power 225 Drives and other storage devices . . . . . 229 Software problems 231 Ports and connectors 231 Universal Serial Bus problems 232 A docking station or port replicator problem 232 Chapter 11. Compliance to the Electromagnetic Compatibility Directive . . . 241 German Class B compliance statement . .... Substances Directive (RoHS) . . . . 251 China RoHS 251 Turkish RoHS 251 Ukraine RoHS 251 India RoHS 252 © Copyright Lenovo 2011 iii WEEE and recycling statements 245 Important WEEE Information 245 Battery recycling information for Japan . . . . . 245 Battery recycling ...
(English) User Guide
Page 24
... this switch. 7 Serial Ultrabay enhanced Your computer has a bay for SD card. Note: You can quickly turn the wireless features of ThinkPad Mini Dock Series 3 and ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), see "Using audio features" on the model, your computer, connect a headphone or a headset that has a 3.5mm 4-pole plug...
... this switch. 7 Serial Ultrabay enhanced Your computer has a bay for SD card. Note: You can quickly turn the wireless features of ThinkPad Mini Dock Series 3 and ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), see "Using audio features" on the model, your computer, connect a headphone or a headset that has a 3.5mm 4-pole plug...
(English) User Guide
Page 25
...the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W) and use a monitor connector, use the monitor connector on the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock .... 2 Monitor connector You can only connect an Ethernet cable to circulate in "Attaching an external monitor" on the computer. ThinkPad T420/T420i left-side view 1 Fan louvers (left) 3 Ethernet connector 5 USB connector (left) 2 Monitor connector 4 DisplayPort ...
...the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W) and use a monitor connector, use the monitor connector on the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock .... 2 Monitor connector You can only connect an Ethernet cable to circulate in "Attaching an external monitor" on the computer. ThinkPad T420/T420i left-side view 1 Fan louvers (left) 3 Ethernet connector 5 USB connector (left) 2 Monitor connector 4 DisplayPort ...
(English) User Guide
Page 26
... the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), not the one on page 79. When your computer. 5 USB connector (left) The Universal Serial Bus connectors are used for connecting devices compatible with the network is available, the lower right indicator is solid green. ThinkPad T420/T420i...
... the ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), not the one on page 79. When your computer. 5 USB connector (left) The Universal Serial Bus connectors are used for connecting devices compatible with the network is available, the lower right indicator is solid green. ThinkPad T420/T420i...
(English) User Guide
Page 27
... in the PCI Express Mini Card slot which enables wireless WAN communications. With Lenovo® technologies advancing to the instructions in "Power Manager" on page 21. With Lenovo technologies advancing to adjust your power setting as options. 5 Hard disk drive ... power is unavailable. For details, refer to "Active Protection System" on page 23. 3 Docking connector With a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), you can also use Power Manager to provide you are available as...
... in the PCI Express Mini Card slot which enables wireless WAN communications. With Lenovo® technologies advancing to the instructions in "Power Manager" on page 21. With Lenovo technologies advancing to adjust your power setting as options. 5 Hard disk drive ... power is unavailable. For details, refer to "Active Protection System" on page 23. 3 Docking connector With a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W), you can also use Power Manager to provide you are available as...
(English) User Guide
Page 35
... • Serial Ultrabay enhanced • ExpressCard slot • 4-in-1 digital media card reader (SD/SDHC/SDXC/MMC) • Smart card reader (on some models) • Docking connector Optical drive • Multi-Burner drive Wireless features • Integrated wireless LAN • Integrated Bluetooth (on some models) • Integrated wireless WAN (on some...
... • Serial Ultrabay enhanced • ExpressCard slot • 4-in-1 digital media card reader (SD/SDHC/SDXC/MMC) • Smart card reader (on some models) • Docking connector Optical drive • Multi-Burner drive Wireless features • Integrated wireless LAN • Integrated Bluetooth (on some models) • Integrated wireless WAN (on some...
(English) User Guide
Page 91
... your computer has one of the expansion unit, and then connect the monitor to the DVI connector of the optional expansion units, a ThinkPad Mini Dock Plus Series 3, a ThinkPad Mini Dock Series 3, or a ThinkPad Mini Dock Plus Series 3 (170 W), you must install the display driver for your computer 73 Clear the Show compatible hardware check box. 16...
... your computer has one of the expansion unit, and then connect the monitor to the DVI connector of the optional expansion units, a ThinkPad Mini Dock Plus Series 3, a ThinkPad Mini Dock Series 3, or a ThinkPad Mini Dock Plus Series 3 (170 W), you must install the display driver for your computer 73 Clear the Show compatible hardware check box. 16...
(English) User Guide
Page 95
...headset attached either to the combo audio jack of your computer or to the microphone jack of the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W). NVIDIA Optimus Graphics enables a dynamic switch, that enables you to ...use . Audio feature list Combo audio jack Headphone jack of the docking station Microphone function not supported Not supported Not supported Microphone function supported Chapter 2. Using your computer or docking station are supported. Switching the Graphics Processing Unit If your computer ...
...headset attached either to the combo audio jack of your computer or to the microphone jack of the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W). NVIDIA Optimus Graphics enables a dynamic switch, that enables you to ...use . Audio feature list Combo audio jack Headphone jack of the docking station Microphone function not supported Not supported Not supported Microphone function supported Chapter 2. Using your computer or docking station are supported. Switching the Graphics Processing Unit If your computer ...
(English) User Guide
Page 102
... you maintain desirable levels of these options: http://www.lenovo.com/accessories/services/index.html. Questions about vision? Work area setup options: Familiarize yourself with your computer the more comfortable to use ThinkPad features that you modify and expand your computer to best...you might wish to make your options for maintaining a healthy working posture (see the screen clearly. Following general recommendations for docking solutions and external products that can provide the adjustability and features that it can easily be tiring. Leg Position: Keep your...
... you maintain desirable levels of these options: http://www.lenovo.com/accessories/services/index.html. Questions about vision? Work area setup options: Familiarize yourself with your computer the more comfortable to use ThinkPad features that you modify and expand your computer to best...you might wish to make your options for maintaining a healthy working posture (see the screen clearly. Following general recommendations for docking solutions and external products that can provide the adjustability and features that it can easily be tiring. Leg Position: Keep your...
(English) User Guide
Page 131
... to the computer. Connect the ac power adapter and the cables to the locked position. 6. Turn the computer over . You can attach it to the docking connector of your computer as an option. 4. Turn off the computer, or enter hibernation mode.
... to the computer. Connect the ac power adapter and the cables to the locked position. 6. Turn the computer over . You can attach it to the docking connector of your computer as an option. 4. Turn off the computer, or enter hibernation mode.
(English) User Guide
Page 167
... Ultrabay enhanced" on page 149 • "ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W)" on page 156 Finding ThinkPad options If you want to purchase a serial Ultrabay enhanced device, go to : http://www.lenovo.com/accessories Note: You can shop at Lenovo 24 hours a day, 7 days a week directly...
... Ultrabay enhanced" on page 149 • "ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, ThinkPad Mini Dock Plus Series 3, and ThinkPad Mini Dock Plus Series 3 (170 W)" on page 156 Finding ThinkPad options If you want to purchase a serial Ultrabay enhanced device, go to : http://www.lenovo.com/accessories Note: You can shop at Lenovo 24 hours a day, 7 days a week directly...