Diagnostics using PC-Doctor for DOS

The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter called PC-Doctor.) You can detect errors by running the diagnostics test included in PC-Doctor. This section is an overview of the procedure. For details that depend on model-unique functions, refer to “ThinkPad SL400, SL400c, SL500, and SL500c” on page 49.

Note:

PC-Doctor for DOS is available at following Web site: http://www.lenovo.com/ support

To create the PC-Doctor diagnostic diskette, follow the instruction on the Web site.

For some possible configurations of the computer, PC-Doctor might not run correctly. To avoid this problem, you need to initialize the computer setup by use of the BIOS Setup Utility before you run PC-Doctor.

To enter BIOS Setup Utility, do as follows:

1.Turn on the computer.

2.When the ThinkPad logo comes up, immediately press F1 to enter the BIOS Setup Utility.

Note: If a supervisor password only has been set by the customer, BIOS Setup Utility menu appears after the password is entered. You can start the utility by pressing Enter instead of entering the supervisor password; however, you cannot change the parameters that are protected by the supervisor password.

On the BIOS Setup Utility screen, press F9, Enter, F10, and then Enter.

Note: When you initialize the computer configuration, some devices are disabled, such as the serial port. If you test one of these devices, you will need to enable it by using Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support

Testing the computer

To run the test, do as follows:

Note: In the following procedure, 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.

1.Insert the PC-Doctor disc into the optical drive; then power on the computer.

If the computer cannot be powered on, go to “Power system checkout” on page 29, and check the power sources.

If an error code appears, go to “Symptom-to-FRU index” on page 39.

On the first screen, select the model and press Enter. Follow the instructions on the screen.

2.The main panel of PC-Doctor appears.

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

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

26ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual

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Lenovo SL500c, SL400c manual Diagnostics using PC-Doctor for DOS, Testing the computer
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SL400c, SL500c specifications

The Lenovo SL500c and SL400c are part of Lenovo’s ThinkPad series, designed to cater to professionals and users who require reliable performance in a business-oriented laptop. These models are recognized for their blend of practicality, usability, and robust functionality, suitable for both business environments and everyday tasks.

Starting with the SL500c, this model features a 15.4-inch display, which provides ample screen real estate for multitasking and productivity. It is equipped with Intel's Core 2 Duo processors, ensuring efficient performance and responsiveness, making it ideal for robust applications and multitasking scenarios. The SL500c supports a range of RAM configurations, allowing users to choose up to 8GB to fit their specific needs. Additionally, it offers various storage options, including traditional hard drives and solid-state drives, to optimize speed and data retrieval efficiency.

The SL400c, on the other hand, sports a more compact 14.1-inch display, balancing portability with performance. Similar to its sibling, the SL400c is powered by Intel's Core 2 Duo processors, providing the necessary computing power for daily tasks and business applications. The laptop supports up to 4GB of RAM, catering to users who focus on efficiency rather than high-end gaming or graphic-intensive workloads.

Both models embrace Lenovo's reputation for durability, featuring a spill-resistant keyboard and robust chassis design to withstand the rigors of frequent travel. The ThinkPad keyboard is renowned for its tactile feedback, providing an enjoyable typing experience that enhances productivity. Additionally, these laptops incorporate ThinkVantage technologies, including security features like fingerprint readers, and hardware-based encryption to safeguard sensitive data effectively.

Another notable characteristic of the SL500c and SL400c is their extended battery life, providing users with the ability to work on the go without the constant need for charging. Integrated wireless capabilities, such as Wi-Fi and optional 3G/4G connectivity, ensure that users remain connected, whether in the office or on a business trip.

In summary, the Lenovo SL500c and SL400c exemplify a commitment to quality and performance. With their durable designs, effective processing power, and thoughtful business-oriented features, they remain valuable options for professionals seeking reliable computing solutions. These laptops truly represent Lenovo’s dedication to providing technology that meets the demanding requirements of the modern workplace.
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