Chapter 5. Troubleshooting

Sleep or hibernation 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 “Appendix B. Use, and care information” on page 42.

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 the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator.

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

•If your computer is in hibernation mode or power-off state, connect the AC adapter to the computer, then press the power button to resume operation.

Note: 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:

The screen is unreadable or distorted.

Incorrect characters appear on the screen.

A message, “Unable to create overlay window,” appears when you try to start DVD playback.

-or-

You get poor or no playback of video, DVD or game applications.

-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 persist, follow the solution in the following problem “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.

•Did you install the operating system or application program correctly? If they are installed and configured correctly, have the computer serviced.

•Do either of the following:

-If you are using 32-bit color mode, change the color depth to 16-bit mode.

-If you are using a desktop resolution over the optimum, reduce the display resolution and the color depth.

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Lenovo G460 manual Troubleshooting Sleep or hibernation problems, Computer screen problems
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G460 specifications

The Lenovo G460 is a versatile and reliable laptop that caters to a wide range of users, from students to professionals. Known for its balance of performance, portability, and affordability, the G460 is designed to meet the demands of everyday computing tasks with ease.

One of the standout features of the Lenovo G460 is its 14-inch display, boasting a resolution of 1366 x 768 pixels. This size strikes a perfect balance between being large enough for comfortable viewing and compact enough for easy transportation. The display is complemented by Lenovo's unique BrightVision technology, which enhances color reproduction and brightness, making it suitable for both indoor and outdoor usage.

Under the hood, the Lenovo G460 is powered by Intel’s Core i3 or Core i5 processors, offering solid performance for multitasking and productivity applications. With options for up to 8 GB of DDR3 RAM, users can run multiple applications simultaneously without experiencing noticeable lag. This is ideal for students working on projects or professionals managing multiple tasks.

Storage options vary, with traditional hard drives providing ample space for documents, media, and applications. Users can choose configurations with up to 500 GB of storage or, for those seeking faster data access speeds, a variant with a solid-state drive (SSD) is also available.

The G460 also incorporates Lenovo's OneKey Recovery feature, allowing users to easily back up data and restore the system in case of any malfunctions. This is particularly beneficial for those who prioritize data security and ease of use in their computing experience.

Connectivity options are another highlight of the Lenovo G460. It comes equipped with USB ports, an HDMI port for connecting to external displays, and a card reader for easy media transfer. Built-in Wi-Fi ensures seamless internet connectivity, while the included Ethernet port provides a reliable option for wired network access.

The laptop features a comfortable keyboard with good key travel, making typing a pleasant experience. Additionally, the touchpad is responsive and supports multi-touch gestures for easier navigation.

In summary, the Lenovo G460 is a well-rounded laptop that caters to a diverse user base. With its solid performance, practical features, and user-friendly design, it remains a popular choice for those seeking affordability without compromising on functionality. Whether for education, work, or entertainment, the G460 offers a reliable solution for everyday computing needs.
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