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Resumen del manual
Verifying the condition of the storage devices As POST determines the system configuration, it tests for the presence of each storage device installed in the system. As each device is checked, its activity indicator should turn on green briefly. Check the activity indicators for the hard drive(s), DVD-ROM drive, floppy drive, and any other 5.25-inch device you may have installed. If any of these indicators fail to light up, refer to the related problems listed in the "Component troubleshooting" section. Confirming loading of the operating system Once the system boots up, the operating system prompt appears on the screen. The prompt varies according to the operating system. If the operating system prompt does not appear, see the "No characters appear the display monitor" item on page 93. 5 System troubleshooting Component troubleshooting Listed below are specific problems that may arise during the use of your server and their possible solutions. Power indicator does not light. Do the following: • Make sure the power supply module is properly installed. • Make sure the power cord is connected correctly. • Make sure that the wall outlet has power. Test it by plugging another device. • Make sure the power indicator on the front panel is lit up green. • Remove all add-in cards and see if the system boots up. If reboot is successful, install the cards back in one at a time with a reboot between each addition to determine if one of them is causing the problem. • Make sure that you have correctly installed system compliant memory modules, and that the system DIMM population guidelines were observed. • Make sure that you have installed a system compliant processor. FDD activity indicator does not light. Do the following: • Make sure the FDD data and power cables are properly connected. • Check that relevant switches and jumpers for the FDD are set correctly. • Check that the FDD is properly configured. HDD activity indicator does not light. Do the following: • Make sure the HDD data and power cables are connected correctly. • Check that relevant switches and jumpers on the hard drive and on the backplane board (for hot-plugs HDD) are set correctly. DVD drive activity indicator does not light. Do the following: • Make sure the IDE and power cables are properly connected. • Check that relevant switches and jumpers on the drive are set correctly. • Check that the drive is properly configured. DVD tray cannot be ejected. Insert the tip of a paperclip into the small hole on the DVD drive. Slowly pull the tray out from the drive until the tray is fully extended. DVD drive cannot read a disc. Do the following: • Make sure you are using the correct type of disc. • Make sure the disc is properly seated in the drive. • Make sure the disc is free from scratches or any contaminant. • Make sure the drive’s IDE and power cables are properly connected. Newly installed memory modules are not detected. Do the following: • Make sure the memory modules specifications comply with the system requirements. • Make sure the memory modules have been populated according to the system guidelines. • Make sure the memory modules are properly installed in their slots. 5 System troubleshooting Network connection indicators do not light. Do the following: • Check the cabling and network equipment to make sure that they are in proper condition. • Reinstall the network drivers. • Try another port or hub on the switch. Network activity indicators do not light. Do the following: • Make sure the correct network drivers are loaded on the system. • Network might be idle. Peripheral device connected to a USB port does not work. Do the following: • Reduce the number of external devices connected to a USB hub. • Refer to the documentation that came with the device. There is problem with the software program. Do the following: • Verify that the software is properly configured for the system. Refer to the software installation and operation documentation for instructions on setting up and using the software. • Try a different version of the software to see if the problem is with the copy you are using. If the other version runs correctly on the system, contact your vendor about the defective software. No characters appear on the monitor. Check the following: • Is the keyboard functioning? Test it by turning the Num Lock function on and off to check if the Num Lock indicator lights up. • Is the monitor plugged in and turned on? If you are using a switch box, is it switched to the correct system? • Are the brightness and contrast controls on the monitor properly adjusted? • Is the monitor signal cable properly connected? • Does this monitor work correctly if plugged into a different system? • Remove all add-in cards and see if the system boots up. If reboot is successful, install the cards back in one at a time with a reboot between each addition to determine if one of them is causing the problem. • Make sure that you have correctly installed system compliant m...