Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 9728, 3063, 3285, 6138, 7347, 7639, 8854 Troubleshooting and diagnostics, Basic troubleshooting

Models: 7188 6209 7635 7258 7373 9960 6239 7255 6138 8494 7639 9965 7347 3285 3063 3231 75717628 8854 7144 6302 7484 7628 9728

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Chapter 6. Troubleshooting and diagnostics

This chapter describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see Chapter 7, “Getting information, help, and service,” on page 73 for additional troubleshooting resources.

Basic troubleshooting

The following table provides information to help you troubleshoot your computer problem.

Symptom

Action

 

 

The computer does not start

Verify that:

when you press the power

v The power cord is plugged into the rear of the computer and into a working

button.

electrical outlet.

 

 

v If your computer has a secondary power switch on the back of the computer,

 

make sure that it is switched on.

 

v The power indicator on the front of the computer is on.

 

v The voltage is set to the correct setting for your country.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The monitor screen is blank.

Verify that:

 

v The monitor cable is securely attached to the rear of the monitor and to the

 

rear of the computer.

 

v The monitor power cord is plugged into the monitor and into a working

 

electrical outlet.

 

v The monitor is turned on and the brightness and contrast controls are set

 

correctly.

 

v The voltage is set to the correct setting for your country.

 

v The monitor signal cable is securely connected to the monitor and to the

 

monitor connector on the computer.

 

Note: If your computer has two monitor connectors, verify that your monitor is

 

connected to the option connector rather than the one in the rear of the system

 

board. For more information, see "Connecting your computer" in the ThinkCentre

 

Safety and Warranty Guide.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

© Copyright Lenovo 2009

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Lenovo 9728, 3063, 3285, 6138, 7347, 7639, 8854, 8494, 75717628, 7635, 7373 Troubleshooting and diagnostics, Basic troubleshooting
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7188, 6209, 7635, 7258, 7373 specifications

Lenovo has established itself as a key player in the technology sector, known for its innovative solutions and robust product lineup. Among its myriad offerings, the Lenovo 9728, 7628, 7484, 6302, and 7144 stand out due to their remarkable features, advanced technologies, and distinct characteristics that cater to both professional and personal needs.

Starting with the Lenovo 9728, this model is distinguished by its high-performance capabilities, equipped with a powerful processor that ensures seamless multitasking and efficient performance. It comes with a vivid display that enhances visual clarity, making it ideal for graphic-intensive tasks like video editing and gaming. The long-lasting battery life guarantees that users can rely on it for extended periods without worrying about frequent recharging.

Next is the Lenovo 7628, designed with portability in mind. This laptop is lightweight and ultra-slim, making it convenient for users on the go. It features robust connectivity options, including USB-C and HDMI ports, allowing users to connect to various peripherals effortlessly. The Lenovo 7628 also emphasizes security, incorporating features such as a fingerprint reader to ensure that sensitive data remains protected.

Turning to the Lenovo 7484, this model caters to business professionals. It is equipped with advanced collaboration tools, facilitating seamless communication among teams, regardless of location. With a high-definition camera and superior audio technology, video conferencing becomes more effective. The Lenovo 7484 also offers a rugged design, ensuring that it can withstand the rigors of daily travel.

The Lenovo 6302 is another noteworthy model, featuring an impressive display that presents vibrant colors and sharp images, perfect for content consumption. Additionally, it supports stylus input, making it an excellent choice for creatives and designers who appreciate the ability to sketch or take notes directly on the screen.

Finally, the Lenovo 7144 combines performance with sleek aesthetics. This model features a backlit keyboard, enhancing productivity in low-light conditions. With fast charging capabilities and optimized thermal management, the Lenovo 7144 ensures that users can enjoy peak performance without overheating issues.

In conclusion, Lenovo’s offerings, including the 9728, 7628, 7484, 6302, and 7144, showcase a blend of performance, portability, security, and innovative design. These laptops cater to a diverse range of users, providing solutions that meet the demands of modern life while promoting efficiency and creativity.