User manual DELL DIMENSION 4400

[. . . ] c o m 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. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. For a complete list of abbreviations and acronyms, see the Tell Me How help file. To access help files, see page 26. ____________________ Information in this document is subject to change without notice. [. . . ] Turn off any attached devices and disconnect them from their electrical outlets. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 3 4 5 6 Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board. To raise the securing lever, press the tab until it is free from the latch and then lift the lever. tab securing lever back of computer card bracket latch 72 Adding Parts 7 To remove the card, grasp the card by the top corners and lift it out. If the card is difficult to remove, gently ease the card back and forth to remove it from the connector. card securing lever slot connector system board HINT: The AGP card is removed from the following illustration to provide a better view of the inside of your computer. filler bracket in empty card-slot opening back of computer 8 If you are not replacing the card, install a filler bracket in the empty card-slot opening. If you are adding a card, see page 69. 9 10 11 Lower the securing lever. Connect your computer and devices to their electrical outlets, and turn them on. NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer. HINT: Installing filler brackets over empty cardslot openings is necessary to maintain Federal Communications Commission (FCC) certification of the computer. The brackets also keep dust and dirt out of your computer. Adding Pa rts 73 w w w. c o m CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in "When Working Inside Your Computer" on page 12. You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see "Memory type" under "Memory" on page 91. HINT: Memory purchased from Dell is covered under your computer warranty. Turn off any attached devices and disconnect them from their electrical outlets. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 3 4 5 6 Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board. If necessary, remove a memory module: a b Press out the securing clip at each end of the memory module connector. If the module is difficult to remove, gently ease the module back and forth to remove it from the connector. 74 Adding Parts 7 To insert a module, press out the securing clip at each end of the memory module connector. memory module connectors securing clips (2) notches (2) memory module connector cutouts (2) step 7 step 8 step 9 8 Align the notches on the bottom of the module with the crossbars in the connector. NOTICE: To avoid breaking the memory module, do not press near the middle of the module. Adding Pa rts 75 w w w. c o m 9 Insert the module straight down into the connector, ensuring that it fits into the vertical guides at each end of the connector. During most installations, the securing clips snap into the cutouts at each end of the module. During some installations, you have to use your fingers to gently push the clips into the cutouts. NOTICE: Visually inspect the position of the securing clips and make sure that they have snapped into the vertical position in the cutouts on the ends of the memory modules. Otherwise, the securing clips may prevent the AGP card from being properly reinstalled. 10 11 12 Reinstall the AGP card (see the following section). Connect your computer and devices to their electrical outlets, and turn them on. NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer. 13 14 15 Right-click the My Computer icon and then click Properties Click the General tab. To verify that the memory is installed correctly, check the amount of memory (RAM) listed. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in "When Working Inside Your Computer" on page 12. Turn off any attached devices and disconnect them from their electrical outlets. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 3 4 Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board. Open the computer cover (see page 65). 76 Adding Parts 5 Press the card clip lever on the side of the AGP card to release the card from the slot connector, and remove the card. AGP card card clip lever AGP card clip slot connector back of computer NOTICE: Visually inspect the position of the securing clips on the memory connectors and make sure that they are secured in the vertical position in the cutouts on the ends of the memory modules (see page 75). Otherwise, the securing clips may prevent the AGP card from being properly reinstalled. 6 To replace the AGP card, gently press it down into the slot connector until it clicks into place. Press the card clip lever while inserting the card into the slot connector. AGP card card clip lever AGP card clip slot connector back of computer Adding Pa rts 77 w w w. [. . . ] See "Contacting Dell" on page 100 to find the appropriate contact information for obtaining customer assistance. To expedite the processing of your refund or credit, Dell expects you to return the products to Dell in their original packaging within five days of the date that Dell issues the Credit Return Authorization Number. You must also prepay shipping charges and insure the shipment or accept the risk of loss or damage during shipment. You may return software for refund or credit only if the sealed package containing the floppy disk(s) or CD(s) is unopened. [. . . ]