Samsung NP-R70xxxx Series, Руководство по обслуживанию

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4.
Troubleshooting
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Windows / Screen Related Problems
25. The computer hangs while running a program.
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If the running program causes an error:
In Windows XP and vista, 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.
→
If Windows does not respond, restart the computer. Restart the computer by pressing the Power
button.
26. 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.
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ODD Related Troubles
27. A disc is not recognized or read.
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Check if the ODD module and the main board are properly connected with the 50 pin connector.
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Replace the ODD, if necessary.
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Power-Saving Mode Related Troubles
29. Connecting a USB device to the computer in standby mode.
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If a 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.
30. A USB device is not working normally when the computer returns from standby mode.
→
In this case, separate and reconnect the USB device.
31. 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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