Chapter 4. General Checkout

Attention

The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect drive.

General error messages appear if a problem or conflict is found by an application program, the operating system, or both. For an explanation of these messages, refer to the information supplied with that software package.

Before replacing any FRUs, ensure that the latest level of BIOS is installed on the system. A down-level BIOS might cause false errors and unnecessary replacement of the system board. For more information on how to determine and obtain the latest level BIOS, see “BIOS levels” on page 139.

Use the following procedure to help determine the cause of the problem:

1.Power-off the computer and all external devices.

2.Check all cables and power cords.

3.Set all display controls to the middle position.

4.Power-on all external devices.

5.Power-on the computer.

•Look for displayed error codes

•Listen for beep codes

•Look for readable instructions or a main menu on the display.

If you did not receive the correct response, proceed to step 6 on page 31.

If you do receive the correct response, run the diagnostics. .See “Running diagnostics from the CD or diskettes” on page 34.

6.Look at the following conditions and follow the instructions:

•If you hear beep codes during POST, go to “Beep symptoms” on page 59.

•If the computer displays a POST error, go to “POST error codes” on page 60.

•If the computer hangs and no error is displayed, go to “Power problems” on page 31.

Checking for power problems

If the computer does not turn on when the power switch is pressed, use the following procedure to help troubleshoot.

1.Press the power switch to turn on the computer. Check the power indicator LED next to the power switch.

•If the LED is illuminated (on), the computer power is OK. Attempt to run the diagnostics. See “Running diagnostics from the CD or diskettes” on page 34.

•If the LED is not illuminated (off), go to step 2 on page 31

2.Check the status of the power indicator LED on the AC/DC power adapter.

•If the LED is illuminated (on), go to step 7 on page 32.

•If the LED is not illuminated (off), go to the next step 3 on page 31.

3.Verify that the power cord is properly connected to an AC power outlet.

4.Verify that you are using a good AC power outlet. Plug another device into the outlet or contact the power company or supplier to verify that the outlet is working correctly .

© Copyright Lenovo 2005, 2010

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Lenovo 6393, 6395, 6394, 6397, 6396 manual General Checkout, Checking for power problems
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6396, 6397, 6393, 6394, 6395 specifications

Lenovo has consistently been at the forefront of technological innovation, and their 6396, 6395, 6393, 6394, and 6397 models showcase the company's commitment to delivering high-performance devices tailored for various user needs. These models serve as excellent examples of Lenovo's dedication to quality and versatility.

The Lenovo 6396 stands out with its powerful processing capabilities, equipped with cutting-edge multi-core processors that ensure seamless multitasking. Users can enjoy superior performance for demanding applications, making it an ideal choice for both professionals and gamers. Additionally, it boasts an advanced cooling system that helps maintain optimal temperatures during intensive tasks, enhancing longevity and reliability.

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The Lenovo 6393 is designed with mobility in mind. Weighing less than many competitors, this model combines portability with performance. It supports fast charging and extended battery life, allowing users to work or play for hours without worrying about running out of power. Its robust build quality ensures it can withstand the rigors of daily use.

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In summary, the Lenovo 6396, 6395, 6393, 6394, and 6397 embody a blend of performance, portability, versatility, and connectivity. Each model is tailored to meet the needs of different users, from gamers and professionals to students and creative individuals. With Lenovo's commitment to innovation and quality, these devices are set to provide exceptional value in today's dynamic technology landscape.
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