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General safety rules for handling equipment and the environment.
Safety guidelines when working with electrical components and power.
Precautions for preventing electrostatic discharge damage.
Procedures for using PC-Doctor software for system diagnostics.
Instructions for replacing the system board and related components.
Comprehensive list of all available parts and their identifiers.
General| Model | Lenovo ThinkPad T420 4177 |
|---|---|
| Processor | Intel Core i5-2520M |
| RAM | 4GB DDR3 |
| Graphics | Intel HD Graphics 3000 |
| Operating System | Windows 7 Professional |
| Webcam | 720p HD |
| Security | Fingerprint Reader, TPM |
| Display | 14 inches, 1366 x 768 |
| Battery | 6-cell Li-Ion |
| Weight | 4.8 lbs |
| Ports | Ethernet, VGA, DisplayPort |
| Wireless | Bluetooth 3.0 |
| Storage | 320GB HDD |
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