Samsung NP-Q1 Ultra Series, Service Manual, Page: 100 / 107

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◆ When shutting down the computer
18. The computer is not shut down.
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If Windows does not end normally, you can forcibly shut down the system by pressing the
Power button. If the power saving feature is activated on the Power button, press the Power
button for more than 4 seconds to turn the computer off. If the computer is then turned on again,
Check Disk is automatically run.
◆ Windows / Screen Related Problem.
19. The computer hangs while running a program
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If the running program causes an error.
In Windows, press the <Ctrl>, <Alt> and <Del> key combination, select the application program
and click on End Task in the Applications tab of the [Windows Task Manager] window.
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If Windows does not respond, restart the computer. Restart the computer by pressing the Power
button.
20. No picture is displayed on the external monitor.
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Press the Switch LCD/CRT Monitor function key and check if the screen output is output to
another display device.
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Check if the hardware is out of order referring to the descriptions in the LCD related section of
the Hardware Troubleshooting.
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For models with external graphics, replace the VGA board and check if it is out of order.
◆ Power - Saving Mode Related Troubleds
21. Connection a USB device to the computer in standby mode.
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If the USB device is connected to the computer in standby mode, the screen may be
abnormally displayed.
You have to connect a USB device when the computer is operating normally.
22. A USB device is not working normally when the computer returns from standby mode.
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In this case, separate and reconnect the USB device.
23. The picture is displayed abnormally when the computer running the Command Prompt (MS-DOS)
enters standby mode and then returns from standby mode.
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Press the <Alt> and <Tab> key combination to display the picture on the screen.
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