General checkout

Power system checkout

To verify a symptom, follow the steps below:

1.Turn off the computer.

2.Remove the battery pack.

3.Connect the AC adapter.

4.Make sure that power is supplied when you turn on the computer.

5.Turn off the computer.

6.Disconnect the AC adapter and install the charged battery pack.

7.Make sure that the battery pack supplies power when you turn on the computer.

If you suspect a power problem, see the appropriate one of the following power supply checkouts:

•• “Checking the AC adapter ” on page 21

•• “Checking operational charging” on page 21

•• “Checking the battery pack ” on page 22

Checking the AC adapter

You are here because the computer fails only when the AC adapter is used.

•• If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity and installation.

•• If the computer does not charge during operation, go to “Checking operational charging”.

To check the AC adapter, follow the steps below:

1.Unplug the AC adapter cable from the computer.

2.Measure the output voltage at the plug of the AC adapter cable. See the following figure:

Pin

Voltage (V DC)

 

 

1

+20

 

 

2

0

2

1

Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing.

3.If the voltage is not correct, replace the AC adapter.

4.If the voltage is acceptable, do the following:

•• Replace the system board.

•• If the problem continues, go to “Lenovo IdeaPad Y460” on page 27. Note: Noise from the AC adapter does not always indicate a defect.

Checking operational charging

To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

21

Page 24 Page 26
Page 25
Image 25
Lenovo Y460 manual Power system checkout, Checking the AC adapter, Checking operational charging
Page 24 Page 26

Y460 specifications

The Lenovo Y460 is a powerful laptop that was released as part of Lenovo's IdeaPad line, catering primarily to the needs of gamers and multimedia enthusiasts. This model stands out with its combination of cutting-edge technology, sleek design, and impressive performance capabilities.

One of the key features of the Lenovo Y460 is its robust hardware configuration. It typically comes equipped with Intel’s Core i5 or i7 processors, providing users with substantial processing power to handle demanding applications and multitasking. The laptop can also support up to 8GB of RAM, which significantly contributes to its ability to run multiple applications smoothly and efficiently.

Another significant highlight of the Y460 is its graphics capabilities. The device often includes dedicated graphics cards, such as the NVIDIA GeForce 540M, which enhances the visual experience, making it ideal for gaming and graphics-intensive tasks. This GPU allows users to enjoy high-definition gaming and smooth video playback without lag, ensuring that graphics-rich applications run seamlessly.

In terms of storage, the Y460 is designed to offer flexible options, often featuring a combination of a standard hard drive and a solid-state drive (SSD). The inclusion of SSD technology dramatically improves boot times and system responsiveness, while traditional HDD provides ample storage space for games, media, and other files.

The display on the Lenovo Y460 is another noteworthy feature. It typically showcases a 14-inch HD or Full HD screen, offering vibrant colors and sharp images. The anti-glare technology further enhances viewing comfort, making it suitable for extended use, whether for gaming, watching movies, or working on projects.

Connectivity is also well-thought-out, with the Y460 providing multiple USB ports, an HDMI output, and an SD card reader, allowing users to connect a variety of peripherals and external displays easily. The laptop may also feature advanced Wi-Fi technology, ensuring fast and reliable internet connectivity.

The design of the Y460 is both stylish and functional. It has a sleek, modern look that appeals to younger users while maintaining a professional appearance for business use. The keyboard is typically designed for comfort, featuring a numeric keypad and backlighting, which enhances usability in low-light conditions.

In conclusion, the Lenovo Y460 is a versatile and powerful laptop that perfectly balances performance, portability, and design. With its strong hardware components, dedicated graphics capabilities, and user-friendly features, it caters well to gamers, students, and professionals alike, making it a solid choice in its category.
Top Page Image Contents