Dell C521 user manual

User manual for the device Dell C521

Device: Dell C521
Size: 1,67 MB
Date of adding : 2013-05-07 18:05:44
Number of pages: 50
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Dell C521 user manual
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

Dell™ Dimension™ C521 Service Manual
Before You Begin
About Your Computer
Technical Overview
Removing the Computer Cover
Specifications
Troubleshooting
System Setup
Removing and Installing Parts
Replacing the Computer Cover
Notes, Notices, and Cautions
NOTE: A NOTE 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

Summary of the content on the page No. 2

Back to Contents Page   About Your Computer Dell™ Dimension™ C521 Service Manual   Front View   Back View of the Computer   Back Panel I/O Connectors  Front View 1 cover release Use this latch to remove the cover. See Removing the Computer Cover. latch 2 Service Tag Use to identify your computer when you access the Dell Support website or call support. 3 FlexBay drive Can contain an optional floppy drive or optional Media Card Reader. 4 CD or DVD The drive light is on when

Summary of the content on the page No. 3

NOTICE: Ensure that there is a minimum of two inches of space between all vents and any object near these vents. NOTICE: Keep the vent area clean and dust-free to ensure that the system is adequately ventilated. Use only a dry cloth to clean the vent area to avoid water damage to the system.  Back View of the Computer 1 voltage selection See the safety instructions in the Product Information Guide for more switch information. 2 power connector Insert the power cable. 3 back panel I/O

Summary of the content on the page No. 4

NOTE: It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the network speed to 10 Mbps to ensure reliable operation. 3 network activity Flashes a yellow light when the computer is transmitting or light receiving network data. A high volume of network traffic may make this light appear to be in a steady "on" state. 4 surround sound Use the (black) surround sound connector to attach multichannel- connector capable speaker

Summary of the content on the page No. 5

Back to Contents Page   Before You Begin Dell™ Dimension™ C521 Service Manual   Getting Started   Recommended Tools   Turning Off Your Computer   Before Working Inside Your Computer  Getting Started This manual provides procedures for removing and replacing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l  You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer. l

Summary of the content on the page No. 6

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network port or device.   2. Disconnect any telephone or network cables from the computer.   3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.   4. Follow

Summary of the content on the page No. 7

Back to Contents Page   Replacing the Computer Cover Dell™ Dimension™ C521 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.   1. Ensure that all cables are connected, and fold cables out of the way. Gently pull the power cables toward you so that they do not get caught underneath the drives.   2. Ensure that no tools or extra parts are left inside the computer.   3. T

Summary of the content on the page No. 8

Back to Contents Page   Removing the Computer Cover Dell™ Dimension™ C521 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back

Summary of the content on the page No. 9

Back to Contents Page   Removing and Installing Parts Dell™ Dimension™ C521 Service Manual   Memory   Battery   Cards   Processor   Drives   Power Supply   CD/DVD Drive   Front I/O Panel   Floppy Drive   Fan Assembly   Media Card Reader   System Board   Hard Drive  Memory If your computer only has one memory module installed on the system board, you can increase your computer memory by installing an additional memory module. Your computer supports DDR2 memory. For ad

Summary of the content on the page No. 10

NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly.   Installing Memory   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTI

Summary of the content on the page No. 11

  7. When a message appears stating that memory size has changed, press to continue.   8. Log on to your computer.   9. Right-click the My Computer icon, then click Properties.   10. Click the General tab.   11. To verify that the memory is installed correctly, check the amount of memory (RAM) listed.   Removing Memory   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

Summary of the content on the page No. 12

Installing an Expansion Card   1. Follow the procedures in Before You Begin.   2. Gently push the release tab on the inside of the card retention door to pivot the door open. Because the door is captive, it will remain in the open position.   3. If you are installing a new card, remove the filler bracket to create a card-slot opening, then continue with step 5. 1 release tab 2 card retention door   4. If you are replacing a card that is already installed in the computer,

Summary of the content on the page No. 13

1 release tab 2 card retention door 3 filler bracket 4 alignment guide 5 alignment bar       8. Close the card retention door by snapping it into place. NOTICE: Do not route card cables over the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment.   9. Connect any cables that should be attached to the card. See the documentation for the card for information about the card's cable connections. NOTICE: To conn

Summary of the content on the page No. 14

1 PCI Express x16 card 2 lever 3 securing slot 4 securing tab 5 PCI Express x16 card connector       6. If you are removing the card permanently, install a filler bracket in the empty card-slot opening. NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer.   7. Before you close the card retention door, ensure that: l  The tops of all cards and filler br

Summary of the content on the page No. 15

1 DVD drive 2 optional floppy drive or media card reader 3 hard drive   General Installation Guidelines Connect the SATA hard drive to the connector labeled "SATA0." Connect the SATA CD or DVD drives to the connector labeled "SATA1" on the system board.   Connecting Drive Cables When you install a drive, you connect two cables—a DC power cable and a data cable—to the back of the drive and to the system board.   Drive Interface Connectors 1 interface cable 2 interface connector

Summary of the content on the page No. 16

 CD/DVD Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.   Removing a CD/DVD Drive   1. Follow the procedures in Before You Begin. NOTICE: Do not pull the drive out of the computer by the drive cables. Doing so may cause damage to the cables and the cable c

Summary of the content on the page No. 17

b.  Remove the three shoulder screws from the drive-panel insert.   4. If you are replacing an existing drive: a.  Remove the existing drive. b.  Remove the three shoulder screws from the existing drive.   5. Insert the three shoulder screws into the sides of the new drive and tighten them.   6. Connect the power and data cables to the drive.   7. Align the shoulder screws with the screw guides, and slide the drive into the bay until it clicks into place.  

Summary of the content on the page No. 18

1 drive release latch 2 floppy drive   4. Disconnect the power and data cables from the back of the floppy drive.   5. Replace the computer cover. See Replacing the Computer Cover. NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it into the computer.   6. Connect your computer and devices to electrical outlets, and turn them on.   Installing a Floppy Drive   CAUTION: Before you begin any of the procedures in this se

Summary of the content on the page No. 19

1 floppy drive 2 slot verification number   8. Slide the drive into the bay until it clicks into place.   9. Connect the data cable to the connector labeled "FLOPPY" on the system board.   10. Replace the CD/DVD drive.   11. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.   12. Replace the computer cover. See Replacing the Computer Cover. NOTICE: To connect a network cable, first plug the cable into t

Summary of the content on the page No. 20

1 Media Card Reader 2 drive release latch       5. Replace the computer cover. See Replacing the Computer Cover. NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it into the computer.   6. Connect your computer and devices to electrical outlets, and then turn them on.   Installing a Media Card Reader   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Inf


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