Need help?Do you have a question about the Lenovo ThinkPad T420 and is the answer not in the manual?
General| Processor cache | 3 MB |
|---|---|
| Processor front side bus | 1333 MHz |
| Number of processors supported | 1 |
| Display diagonal | 14 \ |
| Display resolution | 1366 x 768 pixels |
| AC adapter power | 65 W |
| Indication light | Yes |
| Infrared data port | No |
| Number of speakers | 2 |
| Maximum internal memory | 8 GB |
| Speaker power | 1 W |
| Battery voltage | 10.8 V |
| HDD speed | 7200 RPM |
| HDD capacity | 320 GB |
| HDD interface | SATA |
Weight and Dimensions| Depth | 337 mm |
|---|---|
| Height | 21.2 mm |
| Height (imperial) | 0.83 \ |
Essential safety precautions to prevent injury and damage.
Critical product conditions that necessitate stopping use and seeking support.
General precautions to reduce risk of injury and property damage.
Identifies physical controls, connectors, and status lights on the computer.
Details the computer's capabilities, hardware components, and technical specifications.
Introduces Lenovo's preinstalled software suite for enhanced productivity and security.
Explains the function of unique keys and buttons like ThinkVantage and Fn key combinations.
Covers battery status, AC adapter usage, charging, and power-saving modes.
Guides on establishing Ethernet, Wireless LAN, and WAN connections.
Explains the computer's sound capabilities and microphone configuration.
Provides guidance on posture, lighting, and seating for comfortable computer use.
Offers tips and advice for safely and efficiently using the computer while traveling.
Details setting and using power-on, hard disk, and supervisor passwords for access control.
Explains options like BitLocker Drive Encryption and security chip for drive protection.
Covers enrolling and using the fingerprint reader for secure system access.
Provides instructions on creating and utilizing recovery media for system restoration.
Explains how to back up and restore system data using Rescue and Recovery.
Outlines precautions to prevent static discharge damage to computer components.
Covers procedures for replacing the battery, hard disk drive, memory, and other parts.
Guides on using diagnostic tools and interpreting error messages for problem resolution.
Addresses issues like computer unresponsiveness, spills, beep errors, and memory failures.
Troubleshoots modem, network, Bluetooth, display, and audio problems.
Provides steps for recording system and problem details before seeking assistance.
Offers resources like diagnostic programs, the Lenovo Support website, and phone contacts.
Details wireless interoperability standards and usage guidelines for health.
Identifies the placement of antennas for optimal wireless communication reception.
Provides information on EU WEEE directives and Japan recycling statements for electronics.
To Next Page