Samsung P560 Service Manual page 173

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4. Troubleshooting
Windows / Screen Related Problems
25. The computer hangs while running a program.
- If the running program causes an error:
In Windows XP, 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.
In Windows 2000, press <Ctrl>, <Alt> and <Del> at the same time to open the [Close Program] window, select a 'No
response' item or a program with an error, and click End Task.
- 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.
- Press the Switch LCD/CRT Monitor function key and check if the screen output is output to another display device.
- Check if the hardware is out of order referring to the descriptions in the LCD related section of the Hardware Troubleshooting.
ODD Related Troubles
27. A disc is not recognized or read.
- Check if the ODD module and the main board are properly connected with the 50 pin connector.
- Replace the ODD, if necessary.
Power-Saving Mode Related Trouble
28. Connecting a USB device to the computer in standby mode.
- 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.
29. A USB device is not working normally when the computer returns from standby mode.
- In this case, separate and reconnect the USB device.
30. The picture is displayed abnormally when the computer running the Command Prompt (MS-DOS) enters standby mode and then
returns from standby mode.
- Press the <Alt> and <Tab> key combination to display the picture on the screen
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