Chapter 4. Troubleshooting

The computer does not

• If your computer is in sleep mode, connect the AC

return from sleep mode and

adapter to the computer, then press any key or the

the computer does not

power button.

work.

• If the system still does not return from sleep mode,

 

your system has stopped responding, and you cannot

 

turn off the computer; reset the computer. Unsaved

 

data may be lost. To reset the computer, press and

 

hold the power button for 4 seconds or more. If the

 

computer still does not reset, remove the AC adapter.

Display panel problems

The screen is blank.

• Do the following:

 

- If you are using the AC adapter, or using the

 

battery, and the battery status indicator is on, press

 

F12 (

) to make the screen brighter.

 

- If the power indicator is blinking, press the power

 

button to resume from Sleep mode.

 

- If the problem persists, follow the solution in the

 

next problem “The screen is unreadable or

 

distorted.”

 

 

- Press F9 (

) to confirm whether the LCD screen

 

has been turned off.

The screen is unreadable or distorted.

•Make sure that:

-The display device driver is installed correctly.

-The screen resolution and color quality are correctly set.

-The monitor type is correct.

Incorrect characters appear

• Are the operating system or programs installed

on the screen.

correctly? If they are installed and configured

 

correctly, have the computer serviced.

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Lenovo 59RF0049, U510, 4941XF2 manual Display panel problems, Work
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4941XF2, U510, 59RF0049 specifications

Lenovo has established itself as a prominent player in the computing industry, known for delivering robust and innovative products. One of its notable products is the Lenovo 59RF0049, often recognized for its various features, technologies, and characteristics that cater to diverse user needs.

The Lenovo 59RF0049 is primarily designed to enhance user productivity while ensuring seamless performance. It features a powerful Intel processor, which provides quick responsiveness and efficiency for multitasking. This makes the device ideal for professionals, students, and everyday users who require reliable performance for tasks ranging from document editing to media consumption and more.

Equipped with the U510 and 4941XF2 technologies, this device leverages advanced graphics capabilities. This enhances the visual experience, making it suitable for casual gaming, video editing, and graphic design. The integration of high-definition displays paired with these technologies ensures sharp imagery and vibrant colors, bringing content to life.

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In conclusion, the Lenovo 59RF0049 offers a compelling mix of performance, design, and usability features. With its powerful processing capabilities, advanced graphics technologies, ergonomic design, remarkable battery life, and ample connectivity options, it stands out as an excellent choice for anyone seeking a reliable and efficient computing solution. This device epitomizes Lenovo’s commitment to delivering high-quality products that cater to the evolving needs of modern users.
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