Samsung R710 Service Manual page 156

- This Document can not be used without Samsung's authorization -
4. Troubleshooting
◆ Windows / Screen Related Problems
24. 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 the <Ctrl>, <Alt> and <Del> key combination, select the application
program or an application that does not respond and click on End Task in the [End Program]
window.
→ If Windows does not respond, restart the computer. Restart the computer by pressing the Power
button.
25. 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.
→ For models with external graphics, replace the VGA board and check if it is out of order.
◆ CD/DVD-ROM Related Troubles
26. 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 Troubles
27. 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.
28. A USB device is not working normally when the computer returns from standby mode.
→ In this case, separate and reconnect the USB device.
29. 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.
4-22