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 pepapolivka10 on February 10th, 2019
Print Scen
Dobrý den chtěl bych se zeptat kde na klávesnici najdu toto tlačítkoP"5;edem díky za zpětnou vazbu
Current Answers
Related Lenovo ThinkPad T420 Manual Pages
ThinkPad Gobi Mobile Broadband Wireless WAN (L420, L421, L520, T420s, T420si, T430s, T430si) - Page 2
ThinkPad is a registered trademark of Lenovo.
0 A3 3 6 2 6 ThinkPad® Mobile Broadband (T420s, T420si, T430s, and T430si)
1
2
3
4
5
AUX(Blue)
7
6
MAIN(Red)
8
http://www.lenovo.com/support/wireless
© Lenovo 2012.
ThinkPad Gobi Mobile Broadband Wireless WAN (T420, T420i, T430, T430i, T520, T520i, T530, T530i, W520, W530) - Page 1
ThinkPad® Mobile Broadband (T420, T420i, T430, and T430i)
1
2
3
4
5
6
MAIN(Red)
AUX(Blue)
7
8
http://www.lenovo.com/support/wireless
(English) BIOS Setup using Windows Management Instrumentation Deployment Guide - Page 10
... Common interface for different products
Supported computers
BIOS setup through WMI is supported on the following ThinkPad products only: • R400, R500, T400, T500, W500, X200, X200s, X200 ...8226; W700, W700ds, W701 • T400s • X201, X201s, T410, T410s, T510, W510 • T420, T420i, T420s, T420si, T520, T520i, W520, X220, X220i, X220 Tablet, X220i Tablet • X1 • T430,...
Hardware Maintenance Manual - Page 1
ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 3
... power adapter 37 Checking operational charging 37 Checking the battery pack 38 Checking the backup battery 38
Chapter 4. Removing and replacing a FRU 65
Before servicing ThinkPad T420 and T420i . . . 66 1010 Battery pack 67 1020 ExpressCard blank bezel 68 1030 Serial Ultrabay Enhanced device or travel bezel 69 1040 Hard disk drive...
Hardware Maintenance Manual - Page 4
Notices 175
Electronic emissions notices 176 Trademarks 177
ii ThinkPad T420 and T420i Hardware Maintenance Manual 1150 Speaker assembly 95 1160 LCD unit 97 1170 Fan assembly 101 1180 CPU 105 1190 Base cover assembly and ...
Hardware Maintenance Manual - Page 5
... tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 23.
© Copyright Lenovo 2012
iii 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 effectively.
Hardware Maintenance Manual - Page 6
iv ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 8
... power to the machine, and to work area. Instructions for possible hazards in the safety sections of the units.
• If an electrical accident occurs:
2 ThinkPad T420 and T420i Hardware Maintenance Manual The surface is a complete circuit. Blowers and fans - Observe the special safety precautions when you from grounds such as metal...
Hardware Maintenance Manual - Page 10
... handling ESD-sensitive parts: • Keep the parts in protective packages until they exceed the requirements noted here. 2. You can be verified by a certified electrician.
4 ThinkPad T420 and T420i Hardware Maintenance Manual When working on ac-operated computers. Grounding requirements
Electrical grounding of the ac plug on a double-insulated or battery-operated...
Hardware Maintenance Manual - Page 12
... the inverter card. DANGER If the LCD breaks and the fluid from the fluid are present after washing. Seek medical care if any interconnecting cables.
6 ThinkPad T420 and T420i Hardware Maintenance Manual DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or...
Hardware Maintenance Manual - Page 20
14 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 24
18 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 26
20 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 28
22 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 30
... sensitive. Attention: The drive startup sequence in the computer you are servicing may have been changed . Important notice for the computer you are servicing.
24 ThinkPad T420 and T420i Hardware Maintenance Manual
The Lenovo preloaded software is installed in the wireless WAN card slot of a system board can cause damage to diagnose...
Hardware Maintenance Manual - Page 32
• eSupport can be accessed at the MT Model level.
26 ThinkPad T420 and T420i Hardware Maintenance Manual Type your machine type and serial number, and then click Submit. For the Remaining FRUs (the complete list of FRUs ...
Hardware Maintenance Manual - Page 34
...• Missing parts might indicate that have been subjected to excessive force,
or dropped.
28 ThinkPad T420 and T420i Hardware Maintenance Manual
Failing FRU name and part number 8. What to do first
When.... • If the spindle of an incorrect ac power adapter on laptop products
The following information in which the machine failed 4. Date of an incompatible card • Improper...
Hardware Maintenance Manual - Page 36
... check the power sources. A pull-down for at least 2 seconds; Turn off the computer. 2. When the ThinkPad logo comes up, immediately press F12 to enter the Boot Menu. 5.
If the computer cannot be sensed.
30 ThinkPad T420 and T420i Hardware Maintenance Manual Note: You can select an item not only with the arrow...
Hardware Maintenance Manual - Page 38
... ThinkVantageToolbox also has problem determination aids that determine software and usage problems. For additional information about this program, see the Help for the program.
32 ThinkPad T420 and T420i Hardware Maintenance Manual Windows Vista® and Windows XP: Click Start ➙ All Programs ➙ ThinkVantage ➙ Lenovo ThinkVantage Toolbox Follow the instructions...
Similar Questions
Lenovo Thinkpad T420 User Guide
i am using lenovo thinkpad T420 laptop computer but at the moment the computer is not working when i...
i am using lenovo thinkpad T420 laptop computer but at the moment the computer is not working when i...
(Posted by fitsakassa 10 years ago)
How To Configure And Connect Your Bluetooth On A Ibm Thinkpad T420
(Posted by mwebbfj 10 years ago)
My Lenovo Thinkpad T420 Seem To Be Blocked: I Can't Access It's Windows 7.
(Posted by irenneflor 11 years ago)
My New Lenovo Thinkpad Edge E430 Laptop Shows ' Plugged In; Not Charging
I bought new Lenovo laptop Thinkpad Edge E430. When I put the charger. after a while it shows like "...
I bought new Lenovo laptop Thinkpad Edge E430. When I put the charger. after a while it shows like "...
(Posted by gowtham60319 11 years ago)