User manual DELL DIMENSION 4500

[. . . ] DellTM DimensionTM 4500C front door power button hard-drive light breakaway hinge IEEE 1394 connector* CD or DVD drive light PC Card connectors (2)** breakaway hinge USB 2. 0 connectors (2) headphone connector * On computers with integrated IEEE 1394 connectors. ** On computers with integrated PC Card connectors. parallel connector serial connector integrated video connector (see the setup diagram) diagnostic lights (4) keyboard connector mouse connector network connector optional video card connector (see the setup diagram) modem connectors (2) power connector USB 2. 0 connectors (4) microphone connector line-out connector line-in connector IEEE 1394 connector voltage selection switch (see page 11) w w w. c o m Hints, Notices, and Cautions HINT: A HINT indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. [. . . ] IF Y O U H A V E P R O B L E M S W I T H A PC C A R D N O T P R O V I D E D B Y DELL -- Contact the PC Card manufacturer. 50 So l vi n g Pro b l em s Power Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions on page 9. HINT: If the power light on the front of the computer is steady green (see page 76), the computer is operating normally. A D J U S T T H E POWER P R O P E R T I E S -- Your computer may be in standby or hibernate mode. For information on power conservation modes, see the Tell Me How help file, or search for the keyword standby or hibernate in Windows® Help. IF T H E P O W E R L I G H T I S B L I N K I N G G R E E N -- The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal operation. IF T H E P O W E R L I G H T I S O F F -- The computer is either turned off or is not receiving power. · Ensure that the power cable is firmly inserted into both the power connector on the back of the computer and the electrical outlet. · If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on. · Ensure that the electrical outlet is working by testing it with another device, such as a lamp. · Ensure that the voltage selection switch is set to match the AC power at your location (see page 9). · Bypass power protection devices, power strips, and power extension cables to verify that the computer turns on. · Swap the computer and monitor power cables to determine if the power cable is defective. · Ensure that the microprocessor power cable is securely connected to the system board (see page 83). · Ensure that the power supply cables are securely connected to the system board (see page 83). · If the problem persists, contact Dell (see page 105). So l vi n g Pro b l em s 51 w w w. c o m IF T H E P O W E R L I G H T I S S T E A D Y A M B E R -- The computer is receiving electrical power, but an internal power problem might exist. · Ensure that the voltage selection switch is set to match the AC power at your location (see page 9). · Ensure that the microprocessor power cable is securely connected to the system board (see page 83). IF T H E P O W E R L I G H T I S B L I N K I N G A M B E R -- A device might be malfunctioning or incorrectly installed. · Remove and then reinstall the video card, if applicable (see page 88). E L I M I N A T E I N T E R F E R E N C E -- Electrical appliances on the same circuit or operating near the computer can cause interference. Other causes of interference are: · Power extension cables · Keyboard and mouse extension cables · Too many devices on a power strip · Multiple power strips connected to the same electrical outlet Printer Problems HINT: Dell does not cover the printer's warranty. [. . . ] Discard used batteries according to the manufacturer's instructions. 1 2 3 4 5 Record all the screens in the system setup program (see page 100) so that you can restore the correct settings in step 9. Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver. Appendix 103 w w w. c o m NOTICE: To avoid damage to the system board while you pry the battery loose, be sure to insert the plastic screwdriver between the battery and the socket (not the system board). battery battery socket (BATTERY) 6 7 8 Insert the new battery into the socket with the side labeled "+" facing up and snap it into place. [. . . ]