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 Bhjosp on August 4th, 2014
Where Is The Location Of The Internal Microphone On A Thinkpad T420
The person who posted this question about this Lenovo product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Lenovo ThinkPad T420 Manual Pages
(English) Access Connections Profile Deployment guide - Page 35
...called silent.txt at the following : v Checks for the file silent.txt at c:\programfiles\thinkpad\connectutilities and ends the operation. Working with Active Directory and ADM files 27 Acloa.bat
When ...a user logs onto a domain, the Acloa.bat executes and does the following client location:
c:\programfiles\thinkpad\connectutilities v If the silent.txt file exists, it copies the. v If the silent...
Hardware Maintenance Manual - Page 1
ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 3
... Beep symptoms 50 No-beep symptoms 50 LCD-related symptoms 50 Intermittent problems 52 Undetermined problems 52
Chapter 5. 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
... or wireless LAN/WAN antenna assembly 124 2070 Hinges and LCD rear cover assembly . . . 126
Chapter 9. Notices 175
Electronic emissions notices 176 Trademarks 177
ii ThinkPad T420 and T420i Hardware Maintenance Manual Locations 129
Front view 129 Rear view 131 Bottom view 132
Chapter 10.
Hardware Maintenance Manual - Page 5
Before servicing a ThinkPad product, be sure to troubleshoot problems effectively. About this manual
This manual... 1 and Chapter 2 "Important service information" on page 23.
© Copyright Lenovo 2012
iii
Use this manual along with ThinkPad products. ThinkPad T420 and T420i Machine Type 4177, 4178, 4179, 4180, 4236, 4237, and 4238
Use this manual along with the advanced diagnostic...
Hardware Maintenance Manual - Page 6
iv ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 8
... frames. Similar units to decrease electrostatic discharges. Many customers have handles covered with the reflective surface of the units.
• If an electrical accident occurs:
2 ThinkPad T420 and T420i Hardware Maintenance Manual Ensure that contain small conductive fibers to listed above rule, you can then operate the switch or unplug the power...
Hardware Maintenance Manual - Page 12
... FRU being replaced, do not remove the plastic cover that protects the lower part of the inverter card. Seek medical care if any interconnecting cables.
6 ThinkPad T420 and T420i Hardware Maintenance Manual DANGER If the LCD breaks and the fluid from the fluid are present after washing.
Hardware Maintenance Manual - Page 20
14 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual - Page 36
... • Wireless LAN
• Keyboard • Video • Internal Speaker • Mouse • Diskette • System Load • Optical Drive Test • Intel WLAN Radio Test
Notes:
• In the Keyboard test in Interactive Tests, the Fn key should be sensed.
30 ThinkPad T420 and T420i Hardware Maintenance Manual If the computer cannot...
Hardware Maintenance Manual - Page 40
... tested. 5. Refer to the messages to be tested. 6. System Health and Diagnostics, and then follow the instructions on internal storage devices. To run a quick test using the downloaded program, do the following:
34 ThinkPad T420 and T420i Hardware Maintenance Manual Select the device class to troubleshoot the problem. Follow the instructions on the...
Hardware Maintenance Manual - Page 58
.... (See "Power system checkout" on the computer. 5. Battery pack e. LCD assembly
52 ThinkPad T420 and T420i Hardware Maintenance Manual If no error is detected, replace the FRU shown by the ...solved. 6. Visually check each FRU for the system board in the internal drive i. Intermittent problems
Intermittent system hang problems can be considered only when a problem recurs. Turn off the...
Hardware Maintenance Manual - Page 60
... To set the speakers on mute or unmute, press the speaker mute button.
2
Microphone mute
Orange:
The microphone is ready for use . Data is being transmitted.
5
Device access
Green:
Data is... physical shock could cause drive errors.
54 ThinkPad T420 and T420i Hardware Maintenance Manual None of the recording devices is available while the microphone mute is on by default.
3
Wireless LAN...
Hardware Maintenance Manual - Page 80
... pivot it until it is firmly fixed in the slot and does not move easily.
74 ThinkPad T420 and T420i Hardware Maintenance Manual Make sure that it snaps into the socket. Removal steps of DIMM...Your computer has two DIMM slots: one of the two slots, install it in the slot located under the keyboard and another on the underside of the computer. If you install a DIMM in only one under ...
Hardware Maintenance Manual - Page 135
...
1
Integrated camera (for some models)
2
ThinkLight
3
Built-in microphone
4
Built-in speakers
5
Security keyhole
6
Universal serial bus (USB...
20
Power switch
21
Status indicators
Note: For the description of ThinkPad T420 and T420i hardware components. Chapter 9.
Locations
This chapter presents the locations of each indicator, see Chapter 5 "Status indicators" on page 53....
Hardware Maintenance Manual - Page 166
... Swiss Thai Traditional Chinese Turkish U.K. Keyboard
Table 11. English U.S. English (International, with a Euro symbol)
FRU no.
45N2076 45N2077 45N2075 45N2078 45N2073 45N2072...45N2235 45N2236 45N2221 45N2238 45N2245 45N2244 45N2239 45N2240 45N2211 45N2241
CRU ID
*
160 ThinkPad T420 and T420i Hardware Maintenance Manual Parts list-Keyboard Language
Arabic Belgian Brazilian Portuguese ...
(English) User Guide - Page 20
... in stereo speaker (left ) 10 Integrated camera 12 Built-in microphone (right) 14 Built-in "Changing display settings" on page 69...menu shutdown options. Front view
Figure 1.
ThinkPad T420/T420i front view
1 Computer display 3 Fingerprint reader 5 TrackPoint pointing stick 7 System and power-status indicators 9 Built-in microphone (left) 11 ThinkLight 13 UltraConnect wireless antennas...
(English) User Guide - Page 24
... supported by the combo audio jack 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 page 77.
6 User Guide Notes: • If you press it, the headset microphone will be disabled, and the internal microphone will be enabled instead. • The combo...
(English) User Guide - Page 25
ThinkPad T420/T420i left-side view
1 Fan louvers (left) 3 Ethernet connector 5 USB connector (left)
2 Monitor connector 4 DisplayPort connector 6 Smart card slot
1 Fan louvers (left) The internal fan and louvers enable air to a LAN with the Ethernet connector.
You can attach an external monitor or a projector to your computer to the ThinkPad Port Replicator Series 3, ThinkPad Mini...
(Japanese) User Guide - Page 212
... • Enabled
Reader Priority
• External ➙ Internal • Internal Only
Security Mode
• Normal • High
Password Authentication
• Disabled • Enabled
Reset Fingerprint Data
• Enter
「External」 ➙ 「Internal Fingerprint Reader Internal Only
ThinkPad Normal High
Security mode」で 「High...
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)
External Microphone Does Not Work And I Can Not Turn Off Internal Microphone And
I need to turn off internal microphone and plug in external microphone
I need to turn off internal microphone and plug in external microphone
(Posted by jim47590 11 years ago)
My Lenovo Thinkpad T420 Seem To Be Blocked: I Can't Access It's Windows 7.
(Posted by irenneflor 11 years ago)