Satellite U840W series

Charging the batteries

When the power in the battery pack becomes low, the DC IN/Battery indicator will flash amber to indicate that only a few minutes of battery power remain. If you continue to use the computer while the DC IN/Battery indicator flashes, the computer will enable Hibernation Mode so that you do not lose any data, and automatically turn itself off.

You must recharge a battery pack when it becomes discharged.

Procedures

To recharge a battery pack, connect the AC adaptor to the DC IN 19V jack and plug the other end into a working outlet - the DC IN/Battery indicator will glow amber while the battery is being charged.

Charging Time

The following table shows the approximate time required to fully charge a discharged battery.

Battery type

Power off

Power on

Battery pack

about 4.0 hours

about 4.5 hours

(54Wh, 4 cell)

 

 

 

 

 

RTC battery

about 24 hours

about 24 hours

 

 

 

Please be aware that the charging time when the computer is on is affected by ambient temperature, the temperature of the computer and how you are using the computer - if you make heavy use of external devices for example, the battery might scarcely charge at all during operation.

Battery charging notice

The battery may not begin charging immediately under the following conditions:

The battery is extremely hot or cold (if the battery is extremely hot, it

might not charge at all). To ensure the battery charges to its full capacity, you should charge it at room temperature of between 5°C to 35°C (41°F to 95°F).

The battery is nearly completely discharged. In this instance you should leave the AC adaptor connected for a few minutes and the battery should begin charging.

The DC IN/Battery indicator may show a rapid decrease in battery operating time when you try to charge a battery under the following conditions:

The battery has not been used for a long time.

User's Manual

5-4

Page 89
Image 89
Toshiba Satellite U840W user manual Charging the batteries, Procedures, Charging Time, Battery type Power off Power on

Satellite U840W specifications

The Toshiba Satellite U840W is a sleek and stylish ultrabook that was designed to appeal to consumers seeking portability without compromising on performance. With its innovative features and robust build, it stands out in the crowded ultrabook market.

One of the key features of the U840W is its unique 21:9 aspect ratio display. The 14-inch screen offers a resolution of 1792 x 768, making it perfect for multimedia consumption, including movies and gaming. This cinematic aspect ratio not only enhances the viewing experience but also provides extra screen real estate for multitasking, allowing users to work on documents side by side or enjoy immersive gameplay.

The design of the U840W exudes elegance, featuring a brushed aluminum chassis that gives it a premium look and feel. Weighing just under 3.5 pounds, this ultrabook is highly portable, making it ideal for students and professionals on the go. The device also boasts a backlit keyboard, ensuring that typing in low-light environments is comfortable and efficient.

Under the hood, the Toshiba Satellite U840W is powered by the third-generation Intel Core processors, which deliver impressive performance while managing power efficiency. Users can expect smooth multitasking capabilities along with the ability to run demanding applications without lag. Coupled with a solid-state drive (SSD), this ultrabook offers rapid boot times and quick access to files, creating a seamless user experience.

Another noteworthy aspect of the U840W is its extensive connectivity options. It is equipped with USB 3.0 ports, HDMI output, and a card reader, allowing for a wide range of peripheral connections and easy sharing of media files. The inclusion of Intel Wireless Display (WiDi) technology lets users wirelessly stream content to compatible displays, enhancing versatility for presentations or home entertainment scenarios.

Toshiba also implemented various technologies aimed at improving the user experience. The Audio Enhancement by DTS delivers high-quality sound, while the Eco Utility software helps users manage their power consumption, extending battery life.

In conclusion, the Toshiba Satellite U840W is a compelling choice for users looking for a versatile ultrabook that combines a distinctive display, powerful performance, and a premium design. Whether for work, play, or content consumption, the U840W successfully meets the diverse needs of modern users.