Lenovo ThinkPad T420 Support Question
Lenovo ThinkPad T420 Support Question
Find answers below for this question about Lenovo ThinkPad T420.Need a Lenovo ThinkPad T420 manual? We have 38 online manuals for this item!
Question posted by jackjja on July 17th, 2014
How To Add A Monitor To A Docking Station Thinkpad T420
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Related Lenovo ThinkPad T420 Manual Pages
Hardware Maintenance Manual - Page 5
Use this manual along with ThinkPad products.
Before servicing a ThinkPad product, be sure to troubleshoot problems effectively. ThinkPad T420 and T420i Machine Type 4177, 4178, 4179, 4180, 4236, 4237, and 4238
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important: This manual is intended only for the following ThinkPad® products. About...
Hardware Maintenance Manual - Page 35
... not apply to re-create the failure by running the diagnostics test included in the docking station, even if the computer supports the docking station. When the ThinkPad logo comes up, immediately press F1 to test only ThinkPad products. To enter the ThinkPad Setup program, do as the serial port. Note: When you cannot change the parameters...
Hardware Maintenance Manual - Page 39
...3. FRU tests
The following table shows the test for a short time. Power
Diagnostics ➙ ThinkPad Devices ➙ ac power adapter, Battery 1 (Battery2)
LCD unit
1.
Diagnostics ➙ Diskette... the configuration as specified in the ThinkPad Setup program. If the docking station or the port replicator is disabled, select Automatic to the ThinkPad Notebook,
detach it .
Note: ...
Hardware Maintenance Manual - Page 43
... the computer. If the voltage is used .
• If the power problem occurs only when the docking station or the port replicator is acceptable, do the following:
• Replace the system board. • If...are here because the computer fails only when the ac power adapter is used , replace the docking station or the port replicator.
• If the power-on indicator does not turn on page...
Hardware Maintenance Manual - Page 52
....
46 ThinkPad T420 and T420i Hardware Maintenance Manual Pressing Fn+F4 keys. When the power is powered off. Also, the computer goes into hibernation mode automatically in either 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...
Hardware Maintenance Manual - Page 54
...hard disk drive. 2. System board.
1. System board.
1.
System board. System board.
48 ThinkPad T420 and T420i Hardware Maintenance Manual System board.
1. Reseat the hard disk drive. 2. Ultrabay hard ... Run the ThinkPad Setup program to the ThinkPad Notebook.
2. Reseat the hard disk drive. 2. Undock docking station or port replicator if it is plugged in ...
Hardware Maintenance Manual - Page 58
..., do not replace a nondefective FRU): a. Rerun the test to the docking station or the port replicator c. Remove or disconnect all attached devices are installed,...or device that has failed, if wrong devices are supported by the FRU code. LCD assembly
52 ThinkPad T420 and T420i Hardware Maintenance Manual
Replace any FRUs. 3. When analyzing an intermittent problem, do with a...
Hardware Maintenance Manual - Page 64
...purpose of the hard disk drive. Enable the Full Screen Magnifier function.
58 ThinkPad T420 and T420i Hardware Maintenance Manual On Windows Vista, the default brightness level is displayed...ThinkVantage ➙ Presentation Director, and change the brightness level temporarily. If an external monitor is attached, computer output is loaded after sleep (standby), hibernation, reboot, or ...
Hardware Maintenance Manual - Page 68
...After you have replaced the system board, restore the serial number by doing the following : 1. Add S/N data from EEPROM. Follow the instructions on the label attached to the bottom of the system ...number of the system unit is also written on the screen. See example below:
62 ThinkPad T420 and T420i Hardware Maintenance Manual These numbers need to remain the same throughout the life of...
Hardware Maintenance Manual - Page 138
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
(English) User Guide - Page 5
... reader problems 225 Battery and 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. Chapter 10. Regulatory information 237
Wireless related information 237 Location of the UltraConnect wireless antennas 238
Locating wireless...
(English) User Guide - Page 25
...connector Connect your computer to 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 Plus Series 3 (170 W), not the one...
(English) User Guide - Page 26
... 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 an Ethernet connector, use the Ethernet connector on 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 20. ThinkPad T420/T420i bottom view...
(English) User Guide - Page 95
..., you use the DisplayPort feature or DVI monitor on the docking station, you need to restart your computer supports NVIDIA Optimus Graphics, the Graphics Processing Unit is equipped with the following table shows which functions of the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W).
Using audio features
Your...
(English) User Guide - Page 167
...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 ...connection and a credit card.
Options include memory, storage, modems, networking adapters, docking stations and port replicators, batteries, power adapters, printers, scanners, keyboards, mice, ...
(English) User Guide - Page 202
.... Config menu items (continued)
• Off
Display
Boot Display Device
• ThinkPad LCD • Analog (VGA) • Digital on ThinkPad • Digital 1 on dock • Digital 2 on demand. NVIDIA Optimus runs as Integrated Graphics mode and Discrete Graphics is DisplayPort on docking station.
This selection is effective for NVIDIA Optimus
• Disabled • Enabled
If...
(English) User Guide - Page 249
... a DVD-RW disc, use it , and the following : - Ports and connectors
This section includes the most common ports and connectors problems: Universal Serial Bus, and docking station or port replication.
The application is not being caused by the application. The application works when it is not good. Chapter 10. Click OK. Solution...
(English) User Guide - Page 250
... 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 : - Universal Serial Bus problems
• Problem: A device connected to the docking station or the port replicator. - The ac power adapter is securely attached to...
(Hebrew) User Guide - Page 23
...4 ThinkPad T420/T420i
1 SIM 3
5
1 SIM WAN Subscriber Identification Module) SIM Wide Area) WAN
- Network SIM SIM-
2 AC
Serial Ultrabay Slim Power Manager
Power Manager 19
3 ThinkPad Mini Dock Plus Series 3 ,ThinkPad Mini Dock...
(Arabic) User Guide - Page 176
Windows Update
C:\SWTOOLS\DRIVERS\MONITOR TPLCD.INF
ThinkPad ThinkPad Monitor INF
TPFLX.ICM TPLCD.ICM
ThinkPad Setup
ThinkPad Setup ThinkPad Setup
F1 ThinkPad Setup
ThinkPad Setup ThinkPad Setup Enter
ThinkPad Setup
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