Hardware Maintenance Manual
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... of errors and invalid system responses. 1. 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® for DOS ...ThinkPad products. Note: The diagnostic tests are protected by pressing Enter instead of internal optical disc drives (CD-RW, CD-RW/DVD Combo, and DVD Multi drives) on the computer. 2. Identify the failing symptoms in the docking station, even if the computer supports the docking station....
... of errors and invalid system responses. 1. 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® for DOS ...ThinkPad products. Note: The diagnostic tests are protected by pressing Enter instead of internal optical disc drives (CD-RW, CD-RW/DVD Combo, and DVD Multi drives) on the computer. 2. Identify the failing symptoms in the docking station, even if the computer supports the docking station....
Hardware Maintenance Manual
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... with the following: • 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 the TrackPoint pointer. Diagnostics ➙ CPU/Coprocessor 2. If the docking station or the port replicator is heard this case, turn off and...
... with the following: • 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 the TrackPoint pointer. Diagnostics ➙ CPU/Coprocessor 2. If the docking station or the port replicator is heard this case, turn off and...
Hardware Maintenance Manual
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... 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 power supply checkouts: • "Checking the ac power adapter" on page 37 •... the ac power adapter. 4. Check that has less than 50% of the following : 1. General checkout 37 If the voltage is used, replace the docking station or the port replicator. • If the power-on indicator does not turn on page 33. Chapter 3. Power system checkout To verify a symptom, ...
... 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 power supply checkouts: • "Checking the ac power adapter" on page 37 •... the ac power adapter. 4. Check that has less than 50% of the following : 1. General checkout 37 If the voltage is used, replace the docking station or the port replicator. • If the power-on indicator does not turn on page 33. Chapter 3. Power system checkout To verify a symptom, ...
Hardware Maintenance Manual
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...Pressing Fn+F4 keys. When the power is powered off. • The system is turned on, the computer returns from the hard disk drive. 46 ThinkPad T420 and T420i Hardware Maintenance Manual Note: If the computer enters the hibernation mode while it is restored from hibernation mode and resumes operation. To cause... of the following conditions: • If a "hibernation time" has been set on the hard disk drive is read, and system status is docked to the docking station, do not undock it and then try to resume normal operation, you will get an error message, and you will have to go into...
...Pressing Fn+F4 keys. When the power is powered off. • The system is turned on, the computer returns from the hard disk drive. 46 ThinkPad T420 and T420i Hardware Maintenance Manual Note: If the computer enters the hibernation mode while it is restored from hibernation mode and resumes operation. To cause... of the following conditions: • If a "hibernation time" has been set on the hard disk drive is read, and system status is docked to the docking station, do not undock it and then try to resume normal operation, you will get an error message, and you will have to go into...
Hardware Maintenance Manual
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...board. 1. Charge the backup battery for the authentication. 1. Run the ThinkPad Setup program to reset the time and date. Undock docking station or port replicator if it is plugged in sequence 1. Place the ThinkPad Notebook on HDD2 (Mini SATA) 2200 Machine Type and Serial Number ...network card. 2. Mini SATA device. 3. System board. 48 ThinkPad T420 and T420i Hardware Maintenance Manual System board. 1. Replace the backup battery and run the ThinkPad setup program to reset the time and date. 1. Run the ThinkPad Setup program, and then save current setting by pressing F10. ...
...board. 1. Charge the backup battery for the authentication. 1. Run the ThinkPad Setup program to reset the time and date. Undock docking station or port replicator if it is plugged in sequence 1. Place the ThinkPad Notebook on HDD2 (Mini SATA) 2200 Machine Type and Serial Number ...network card. 2. Mini SATA device. 3. System board. 48 ThinkPad T420 and T420i Hardware Maintenance Manual System board. 1. Replace the backup battery and run the ThinkPad setup program to reset the time and date. 1. Run the ThinkPad Setup program, and then save current setting by pressing F10. ...
Hardware Maintenance Manual
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...find the failing FRU. 7. Non-ThinkPad devices b. External diskette drive or optical drive g. DIMM h. If the problem remains, replace the following FRUs one at the time of the failure is not operating, follow these procedures to the docking station or the port replicator c. If..., mouse, and other external devices d. Rerun the test to do the following devices: a. PC Cards 4. LCD assembly 52 ThinkPad T420 and T420i Hardware Maintenance Manual Turn off the computer. 2. Intermittent problems Intermittent system hang problems can be considered only when a problem...
...find the failing FRU. 7. Non-ThinkPad devices b. External diskette drive or optical drive g. DIMM h. If the problem remains, replace the following FRUs one at the time of the failure is not operating, follow these procedures to the docking station or the port replicator c. If..., mouse, and other external devices d. Rerun the test to do the following devices: a. PC Cards 4. LCD assembly 52 ThinkPad T420 and T420i Hardware Maintenance Manual Turn off the computer. 2. Intermittent problems Intermittent system hang problems can be considered only when a problem...
(English) User Guide
Page 5
... compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase 243 Lenovo product service information for United States and Canada 247 Appendix C. Restriction of Conformity 241 Industry Canada Class B emission compliance statement 241 ...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. Regulatory information 237 Wireless related information 237 Location of the UltraConnect wireless antennas 238 ...
... compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase 243 Lenovo product service information for United States and Canada 247 Appendix C. Restriction of Conformity 241 Industry Canada Class B emission compliance statement 241 ...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. Regulatory information 237 Wireless related information 237 Location of the UltraConnect wireless antennas 238 ...
(English) User Guide
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... Optimus Graphics, the Graphics Processing Unit is switched automatically depending on your computer or docking station are supported. Using audio features Your computer is equipped with the following table shows ...docking station Headset with a 3.5 mm 4-pole plug Headphone and microphone functions supported Only headphone function supported Conventional headphone Headphone function supported Headphone function supported Conventional microphone Not supported Not supported Microphone jack of the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock...
... Optimus Graphics, the Graphics Processing Unit is switched automatically depending on your computer or docking station are supported. Using audio features Your computer is equipped with the following table shows ...docking station Headset with a 3.5 mm 4-pole plug Headphone and microphone functions supported Only headphone function supported Conventional headphone Headphone function supported Headphone function supported Conventional microphone Not supported Not supported Microphone jack of the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock...
(English) User Guide
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... Lenovo 2011 149 To replace the Ultrabay device, do the following: 1. Options include memory, storage, modems, networking adapters, docking stations and port replicators, batteries, power adapters, printers, scanners, keyboards, mice, and more. Enhancing your computer This section provides information on installing devices and taking advantage of your computer's high-technology features. • "Finding ThinkPad...
... Lenovo 2011 149 To replace the Ultrabay device, do the following: 1. Options include memory, storage, modems, networking adapters, docking stations and port replicators, batteries, power adapters, printers, scanners, keyboards, mice, and more. Enhancing your computer This section provides information on installing devices and taking advantage of your computer's high-technology features. • "Finding ThinkPad...
(English) User Guide
Page 202
...will achieve longer battery life, and Discrete Graphics enhances performance. "Digial 1 on dock" and "Digital 2 on dock" are using a Windows 7 model. Integrated Graphics will be active at the ThinkPad NumLock. Table 8. If you select "On", NumLock is to Discrete Graphics if... for boot time, password prompt, and ThinkPad Setup. Config menu items (continued) • Off Display Boot Display Device • ThinkPad LCD • Analog (VGA) • Digital on ThinkPad • Digital 1 on dock • Digital 2 on docking station. NVIDIA Optimus runs as Integrated Graphics mode...
...will achieve longer battery life, and Discrete Graphics enhances performance. "Digial 1 on dock" and "Digital 2 on dock" are using a Windows 7 model. Integrated Graphics will be active at the ThinkPad NumLock. Table 8. If you select "On", NumLock is to Discrete Graphics if... for boot time, password prompt, and ThinkPad Setup. Config menu items (continued) • Off Display Boot Display Device • ThinkPad LCD • Analog (VGA) • Digital on ThinkPad • Digital 1 on dock • Digital 2 on docking station. NVIDIA Optimus runs as Integrated Graphics mode...
(English) User Guide
Page 249
... by the application. Other applications run the application. Ports and connectors This section includes the most common ports and connectors problems: Universal Serial Bus, and docking station or port replication. Usually, a disk that your computer has the minimum required memory to run correctly on your computer, you use it is designed to...
... by the application. Other applications run the application. Ports and connectors This section includes the most common ports and connectors problems: Universal Serial Bus, and docking station or port replication. Usually, a disk that your computer has the minimum required memory to run correctly on your computer, you use it is designed to...
(English) User Guide
Page 250
...you try to the docking station or the port replicator. - Solution: Make sure that the assignment of computer resource and the installation of the device driver are prompted for a diagnostic test of the ThinkPad Mini Dock Plus Series 3, the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3 (...170 W) is correct, and that : - Make sure that the USB device setup is on , and does not respond when you try to "Diagnosing problems" on page 201 and run Lenovo ...
...you try to the docking station or the port replicator. - Solution: Make sure that the assignment of computer resource and the installation of the device driver are prompted for a diagnostic test of the ThinkPad Mini Dock Plus Series 3, the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3 (...170 W) is correct, and that : - Make sure that the USB device setup is on , and does not respond when you try to "Diagnosing problems" on page 201 and run Lenovo ...