Check if the name of the graphics card is the list.ĭ. Press Windows + X, Click Device Manager.Ĭ. Uninstall and Reinstall the display adapters.Ī. If you cannot resume computer operation by using any of these methods, you may have experienced a system problem. In this case, you have press the power button to wake the computer. ![]() Note If your computer does not support Advanced Configuration and Power Interface (ACPI), the earlier steps may not be available. Note This step requires Administrator accessĬlick the Power Management tab, and then verify that the Allow this device to wake the computer is enabled. ![]() Open the Keyboard control panel item, as described in Method 1.Ĭlick the Hardware tab, and then click Properties. When a computer goes to the sleep mode, the lights on the power button will keep blinking and the display will go blank. I appreciate your efforts for writing back to us.
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