Chapter 5. Troubleshooting

Sleep problems

The critical low-battery error message appears, and the computer immediately turns off.

The computer enters sleep mode immediately after Power- on self-test (POST).

•The battery power is getting low. Connect the AC adapter to the computer, or replace the battery with a fully charged one.

•Make sure that:

-The battery is charged.

-The operating temperature is within the acceptable range. See “Chapter 2. Use and care Information” of Lenovo Safety and General Information Guide.

Note: If the battery is charged and the temperature is within range, have the computer serviced.

The computer does not return from sleep mode and the computer does not work.

•If your computer is in sleep mode, connect the AC adapter to the computer, then press any key or the power button.

•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 is still not reset, remove the AC adapter and the battery.

Computer screen 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 Fn+↑ to make the

 

 

screen brighter.

 

 

- If the power indicator is in blinking, press the power

 

 

button to resume from the sleep mode.

 

 

- If the problem persists, follow the solution in the

 

 

following problem “The screen is unreadable or

 

 

distorted.”

 

 

- Press Fn+F2 to confirm whether the backlight for the LCD

 

 

screen has been turned off.

The screen is unreadable or

•

Make sure that:

distorted.

 

- The display device driver is installed correctly.

 

 

- The screen resolution and color quality are correctly set.

 

 

- The monitor type is correct.

Incorrect characters appear on

• Did you install the operating system or programs correctly?

the screen.

 

If they are installed and configured correctly, have the

 

 

computer serviced.

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Lenovo G585, 367927U, 37012PU, 59359143, 59359680, G780, G580, G485 Troubleshooting Sleep problems, Computer screen problems
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G480, G585, 37012PU, 367927U, 59359680 specifications

Lenovo has long been a key player in the laptop market, known for producing a range of devices that cater to various user needs. Among its popular models, the Lenovo 59359143, G580, G485, G780, and 59359680 stand out due to their unique features, technologies, and specifications aimed at delivering exceptional performance for everyday tasks.

Starting with the Lenovo 59359143, this model stands out due to its robust performance and sleek design. It typically features Intel processors that deliver ample power for multitasking, making it suitable for both students and professionals. With a 15.6-inch HD display, users can enjoy vivid visuals, whether they're streaming videos or working on presentations. Additionally, the device often includes ample storage options, including both HDD and SSD configurations, which are crucial for fast data access.

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In conclusion, the Lenovo 59359143, G580, G485, G780, and 59359680 are exemplary models that cater to different user preferences. They boast impressive features, including powerful processors, vivid displays, and ample storage solutions, ensuring that Lenovo continues to meet the evolving demands of its diverse customer base. Whether for work or entertainment, these laptops remain reliable choices in a competitive market.
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