Power management

Note: Power management modes are not supported for APM operating system.

To reduce power consumption, the computer has three power management modes: screen blank, sleep, and hibernation.

Screen blank mode

If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. You also can turn off the LCD backlight by pressing Fn+F2.

To end screen blank mode and resume normal operation, press any key.

Sleep mode

When the computer enters sleep mode, the following events occur in addition to what occurs in screen blank mode:

•The LCD is powered off.

•The hard disk drive is powered off.

•The CPU stops.

To enter sleep mode, press Fn+F1.

In certain circumstances, the computer goes into sleep mode automatically:

•If a “suspend time” has been set on the timer, and the user does not do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that time.

•If the battery indicator blinks orange, indicating that the battery power is low.

To cause the computer to return from sleep mode and resume the operation, do one of the following:

•Press the Fn key.

•Open the LCD cover.

•Turn on the power button.

Also, when the time set on the resume timer elapses, the computer automatically returns from sleep mode and resumes operation.

Note: The computer does not accept any input immediately after it enters sleep mode. Wait a few seconds before taking any action to reenter operation mode.

Hibernation mode

In hibernation mode, the following occurs:

•The system status, RAM, VRAM, and setup data are stored on the hard disk drive.

•The system is powered off.

If you have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action.

•Closing the lid.

•Pressing the power button.

Also, the computer goes into hibernation mode automatically in either of the following conditions:

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Lenovo B575E manual Power management, Screen blank mode, Sleep mode, Hibernation mode
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B575E specifications

The Lenovo B575E is a reliable and cost-effective laptop designed primarily for business users and students who need a dependable device for everyday tasks. It brings a solid mix of performance, portability, and essential features that cater to the needs of individuals on a budget.

At its core, the B575E is powered by AMD's E-series processors, which provide adequate performance for handling basic computing tasks like web browsing, document editing, and multimedia consumption. This entry-level configuration is perfect for users who do not require intensive graphics capabilities or high-end processing power.

One of the standout features of the Lenovo B575E is its 15.6-inch display. The screen boasts a resolution of 1366 x 768 pixels, which while standard, offers decent clarity and brightness for everyday usage. The anti-glare technology reduces reflections and allows users to work comfortably in various lighting conditions.

In terms of memory, the B575E typically comes with 4 GB of RAM, which is expandable for users who require additional multitasking capabilities. With a standard hard drive capacity, users can choose models with up to 500 GB of storage, providing sufficient space for documents, applications, and media files.

The design of the B575E is pragmatic and functional, featuring a sturdy casing that can withstand regular use. Weighing around 5.5 pounds, it is portable enough for users who need to carry their laptops to meetings or classes.

Connectivity options are user-friendly, as the laptop includes USB 2.0 and USB 3.0 ports, HDMI output, and an SD card reader, enabling users to connect various peripherals and external displays easily. The built-in webcam and microphone support video conferencing, a feature that has become increasingly important in today’s remote work and education environments.

The battery life of the Lenovo B575E is commendable, providing several hours of productivity on a single charge, which is essential for users who are frequently on the move.

Overall, the Lenovo B575E stands out as a practical choice for budget-conscious consumers looking for a functional laptop that meets the basic demands of everyday computing without sacrificing performance. With its reliable construction, satisfactory specifications, and essential features, it remains a competitive option in the entry-level laptop market.
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