Do you have a question about the ThinkPad T420s and is the answer not in the manual?
General safety rules for maintenance and handling equipment and personnel.
Rules and precautions for working with electrical equipment to prevent shocks and hazards.
Checklist to identify and mitigate potentially unsafe conditions before servicing.
Procedures to prevent damage from electrostatic discharge (ESD) to sensitive components.
Guidelines and best practices for replacing Field Replaceable Units (FRUs) in the system.
Critical precautions for handling and replacing the system board to prevent damage.
A cross-reference guide linking system symptoms to potential FRU failures or actions.
Procedures for removing and installing the battery pack, with safety warnings.
Steps for removing and replacing the hard disk drive or solid-state drive.
Procedures for removing and replacing the entire LCD assembly.
Guidelines and steps for removing and replacing the system board.
| RAM | Up to 8GB DDR3 |
|---|---|
| Graphics | Intel HD Graphics 3000 or NVIDIA NVS 4200M |
| Bluetooth | Bluetooth 3.0 |
| Processor | Intel Core i5 or i7 (2nd generation) |
| Display | 14.0" HD+ (1600x900) |
| Storage | 160GB SSD |
| Operating System | Windows 7 Professional |
| Battery | 6-cell Li-Ion |
| Optical Drive | DVD |
| Wireless | Intel Centrino Advanced-N 6205 |
| Ports | USB 2.0, USB 3.0, VGA, DisplayPort, Ethernet, ExpressCard |
| Webcam | 720p HD |
| Keyboard | ThinkPad Precision Keyboard |
| Security | Fingerprint reader, TPM |