5.1 Display

1.Blank screen and no picture displayed on the monitor

1)Check whether the monitor has been turned on; press the power button if not yet.

2)Check whether the power cord of the monitor is loose. If so, securely connect the power cord of the monitor.

3)Check whether the signal cable of the monitor is securely connected with the connector of the mainframe graphics card; if not, please shut down the computer and then securely connect the signal cable of the monitor.

2.Settings of Display Properties

The background and icons of the screen can be set by adjusting the display properties. Right-click anywhere without icon on the desktop, then select Properties from the pop-up menu.

You will see options such as Theme,

Desktop, Screensaver, Appearance and

Settings in the Properties window.

• Desktop option can be used to set background picture;

• Screensaver option can be used to select screensaver;

• Appearance option can be used to set icons and characters;

• Settings option can be used to set resolution and colors.

3.Moire on Screen

Carefully check whether there are devices that generate magnetic interference (such as refrigerator, electric fan, electric drier, UPS, regulator and fluorescent lamp) around the computer with a distance less than 1 meter. Moire interference will also appear on the screen if the monitors of two computers are placed closely (within a range of 1 meter). To solve the problem, move the interfering device away from the computer. If the problem persists, consult Lenovo Service.

5.2 Sound

1.When you connect the headphone to the front audio output connector, the speakers connected to the back audio output connector is soundless.

The front audio output connector is provided for convenience and has a priority higher than the back audio output connector. If speaker or headphone is connected to the front audio output connector, sound is delivered through the front connector while audio devices connected to the back audio output connector are soundless.

42Lenovo 3000H User Guide

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Lenovo 3000H manual Sound, Blank screen and no picture displayed on the monitor, Settings of Display Properties

3000H specifications

The Lenovo 3000H series is a noteworthy entry in the landscape of laptops designed for both personal and professional use. Combining performance with affordability, this series is particularly appealing to individuals who require robust computing capabilities without breaking the bank.

One of the standout features of the Lenovo 3000H is its powerful processor options. Typically equipped with multi-core Intel processors, this range is designed to handle a variety of tasks seamlessly, from general computing to more demanding applications. This ensures that users can enjoy smooth multitasking experiences, whether they are browsing the web, working on documents, or engaging in more intensive activities like video editing or gaming.

In terms of memory and storage, the Lenovo 3000H models often support substantial RAM, enabling quick data access and efficient performance when running multiple applications. Coupled with solid-state drives (SSDs), users benefit from faster boot-up times and quicker file transfers, significantly enhancing overall productivity. Some models also offer the flexibility of additional storage options, accommodating a wide range of user preferences.

The display quality on the Lenovo 3000H is another highlight. With high-resolution screens, users can enjoy crisp visuals, making it ideal for media consumption, whether watching films, viewing photos, or working on graphic design projects. The display typically features anti-glare technology, reducing eye strain and enabling usage in various lighting conditions.

Portability is a key characteristic of the Lenovo 3000H series. Lightweight designs and compact dimensions ensure that users can easily carry their laptops when on the go. This is particularly advantageous for professionals who travel often or students who commute between classes.

Connectivity options are abundant, featuring USB ports, HDMI outputs, and sometimes even SD card readers, allowing for seamless integration with a variety of devices. Additionally, most models come equipped with Wi-Fi capabilities, ensuring that users can remain connected to the internet wherever they are.

Battery life is another critical aspect, with the Lenovo 3000H often providing extended usage times. This is crucial for users who need to work untethered from power sources for extended periods, enhancing the laptop's appeal for those who prioritize mobility.

In summary, the Lenovo 3000H series offers an impressive mix of performance, versatility, and connectivity options, making it a strong contender in its category. Its combination of well-rounded features at an accessible price point continues to attract a diverse range of users, from students to professionals.