Sony PCV-RS520 Quick Start Guide - Page 39
Troubleshooting
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Troubleshooting This section describes how to troubleshoot common problems. For information on other troubleshooting topics, see the online VAIO® Computer User Guide. My computer does not start. ❑ Verify that the computer is plugged into a power source and that it is turned on. Check that the power indicator is lit on the front panel of the computer. ❑ Confirm that a disk is not in the floppy disk drive* (unless you are using a bootable floppy disk). ❑ Confirm that a CD is not in an optical drive (unless you are using a bootable CD). ❑ Confirm that the power cord and all cables are connected firmly. ❑ If you plugged the computer into a power strip or Uninterruptible Power Supply (UPS), make sure the power strip or UPS is turned on and working. ❑ Verify that the monitor is plugged into a power source and turned on. If your system has a built-in monitor, confirm that it is plugged into an appropriate power source and that the system is turned on. ❑ Verify that the brightness or contrast control dials are adjusted correctly. (See the manual supplied with your display for details.) ❑ Confirm that the computer is not in Stand by mode by pressing any key on the keyboard. * Certain VAIO computers are not equipped with a floppy disk drive. You can purchase this equipment separately. 39