Testing the computer

Note: The PC-Doctor diagnostic CD does not support any optical drives connected through USB devices or any others. It supports only the internal optical drive of the ThinkPad Notebook.

To run the test, do as follows:

1.Turn off the computer.

2.Make sure that the internal optical drive that is supported as a startup device is attached to the computer you are servicing.

3.Turn on the computer.

If the computer cannot be powered on, go to “Power system checkout” on page 53, and check the power sources.

If an error code appears, go to “Symptom-to-FRU index” on page 63.

4.When the ThinkPad logo comes up, immediately press F12 to enter the Boot Menu.

5.Insert the PC-Doctor CD into the internal optical drive.

6.Press cursor keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter.

7.Follow the instructions on the screen.

8.The main panel of PC-Doctor appears.

9.Select Diagnostics with the arrow keys, and press Enter.

Note: You can select an item not only with the arrow keys, but also with the TrackPoint® pointer. Instead of pressing Enter, click the left button.

A pull-down menu appears. (Its exact form depends on the model.)

Note: PC-Doctor menu does not mean the formal support device list. Some unsupported device names may appear in the PC-Doctor menu.

48ThinkPad Edge 14, Edge 15, E40, and E50 Hardware Maintenance Manual

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Lenovo E50, E40 manual Testing the computer

E40, E50 specifications

Lenovo has long been recognized for producing reliable and innovative laptops, and the E50 and E40 series showcase this commitment to quality and performance. Targeted primarily at small businesses, these models are built for efficiency, durability, and usability, making them a popular choice among professionals on the go.

The Lenovo E50 comes equipped with the latest Intel processors, ensuring fast and efficient multitasking capabilities. With options for Intel's Core i5 or i7 processors, users can enjoy seamless performance for everyday tasks alongside more demanding applications. Additionally, the laptop supports DDR3L RAM, which can be configured up to 16GB, providing substantial memory for applications and enhancing the overall user experience.

On the other hand, the E40 series features a slightly more compact design while still offering robust power. This laptop variant is also equipped with Intel processors, providing a solid foundation for various computing needs. With a focus on portability, the E40 is an ideal solution for professionals who require a lightweight device without sacrificing performance.

Both models come with Lenovo's signature AccuType keyboard, which features a user-friendly design for comfortable typing, reducing user fatigue during prolonged use. This keyboard design is particularly beneficial for business users who may spend hours drafting reports, answering emails, or engaging in video conferences.

In terms of display, the E50 and E40 laptops boast vibrant HD screens that deliver sharp visuals and broad viewing angles. The anti-glare technology further enhances usability, allowing users to work effectively in various lighting conditions.

Connectivity is another strong point for both laptops. Equipped with multiple USB ports, HDMI output, and an Ethernet port, these devices offer versatility for connecting a variety of peripherals, external displays, and networks. Additionally, built-in Wi-Fi and Bluetooth ensure that users remain connected, facilitating collaboration and communication.

Security features are also paramount. Both the E50 and E40 offer options for fingerprint readers and TPM 2.0, ensuring that sensitive data remains protected against unauthorized access.

In conclusion, the Lenovo E50 and E40 series represent robust solutions for small businesses and professionals seeking reliable performance, portability, and comprehensive features. With their powerful processors, quality displays, ergonomic keyboards, and strong security measures, these laptops provide a balanced mix of productivity and convenience, making them valuable tools in today’s fast-paced work environment.