•Problem: The battery pack cannot be charged.

Solution: You cannot charge the battery when it is too hot. If the battery feels hot, remove it from the computer and allow it to cool to room temperature. After it cools, reinstall it and recharge the battery. If it still cannot be charged, have it serviced.

An ac power adapter problem

Problem: The ac power adapter is connected to the computer and the working electrical outlet, but the power adapter (power plug) icon is not displayed on the taskbar. Also the ac power indicator does not light up.

Solution: Do the following:

1.Make sure that the connection of the ac power adapter is correct. For instructions on connecting the ac power adapter, see Safety, Warranty, and Setup Guide that comes with your computer.

2.If the connection of the ac power adapter is correct, turn off the computer, then disconnect the ac power adapter and remove the main battery.

3.Reinstall the battery and reconnect the ac power adapter, then turn on the computer.

4.If the power adapter icon still is not displayed on the taskbar and the ac power indicator does not light up, have the ac power adapter and your computer serviced.

Note: To display the power adapter (power plug) icon, click Show hidden icons on the taskbar.

Power problems

Print these instructions now and keep it with your computer for reference later. If your computer is getting no power at all, check the following items:

1.Verify the power switch. Refer to “System status indicators” on page 8. The power switch is lit whenever the computer is on.

2.Check all power connections. Remove any power strips and surge protectors to connect the ac power adapter directly to the ac power outlet.

3.Inspect the ac power adapter. Check for any physical damage, and make sure that the power cable is firmly attached to the adapter brick and the computer.

4.Verify the ac power source is working by attaching another device to the outlet.

5.Remove all devices and then test for system power with minimal devices attached.

a.Disconnect the ac power adapter and all cables from the computer.

b.Close the computer display, and turn the computer over.

c.Remove the battery. Refer to “Replacing the battery” on page 63.

d.Remove the memory module. Refer to “Replacing a memory module” on page 80.

e.Remove the PCI Express Mini Card. Refer to “Replacing a PCI Express Mini Card for wireless LAN connection” on page 73 and “Replacing a PCI Express Mini Card for wireless WAN connection or mSATA solid state drive” on page 76.

f.Remove the hard disk drive. Refer to “Replacing the hard disk drive” on page 66.

g.Wait for 30 seconds, and then reinstall the memory module and the known good battery or the ac power adapter to test the computer with minimal devices attached first.

h.Reinstall each device one at a time that you have removed in the earlier steps.

If your computer does not run on battery power, check the following items:

1.Remove and reseat the battery to make sure that it is properly connected. Refer to “Replacing the battery” on page 63.

128User Guide

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Lenovo 3259AD9, 336655U manual An ac power adapter problem, Power problems
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3259AD9, 336655U specifications

The Lenovo 336655U and 3259AD9 are distinguished models within Lenovo's extensive portfolio, specifically designed to cater to the needs of both professionals and everyday users. These devices combine cutting-edge technology with user-friendly features, ensuring a seamless experience for various tasks, from everyday computing to more intensive applications.

Starting with the Lenovo 336655U, this model is powered by Intel’s reputable Core i5 processor, providing a perfect blend of performance and efficiency. With a base clock speed of 2.4 GHz, the processor can handle multitasking with ease, allowing users to run multiple applications simultaneously without a hitch. The device is equipped with 8GB of RAM, which supports smooth performance for applications ranging from productivity software to creative tools. Storage is provided by a 256GB SSD, which not only offers ample space for documents, multimedia files, and programs but also ensures faster boot times and data access compared to traditional hard drives.

On the other hand, the Lenovo 3259AD9 is tailored for users who need reliable performance in a compact design. It features an AMD Ryzen 5 processor, a powerful alternative that provides exceptional performance for both demanding tasks and light usage scenarios. With integrated Radeon graphics, the device supports casual gaming and video streaming with ease. Similar to its counterpart, the 3259AD9 comes with 8GB RAM and a 256GB SSD, ensuring a speedy and efficient computing experience.

Both models prioritize connectivity, featuring multiple USB ports, HDMI output, and an Ethernet port. This ensures compatibility with various peripherals and external displays. Furthermore, the inclusion of Bluetooth technology allows for convenient wireless connections to headphones, keyboards, and mice, enhancing flexibility for users on the move.

Display quality is also a focal point in these Lenovo models. The Lenovo 336655U sports a 15.6-inch Full HD display, offering vibrant colors and sharp detail, perfect for media consumption and professional work. The Lenovo 3259AD9 boasts a similar screen size and resolution, making both devices suitable for graphic design as well as everyday tasks.

In terms of battery life, both models are designed to last through a full workday, enabling users to work efficiently without the constant need for charging. Their sleek and lightweight designs make them highly portable, catering to professionals and students alike.

In conclusion, the Lenovo 336655U and 3259AD9 stand out as reliable, efficient, and versatile machines. Whether for professional work, educational purposes, or everyday use, these models embody Lenovo’s commitment to quality and performance in the dynamic world of computing.
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