Owner's Manual
Page 1
Dell™ Dimension™ E521 Owner's Manual Service Tag CD or DVD eject button CD or DVD activity light FlexBay for optional floppy drive or Media Card Reader microphone connector headphone connector diagnostic lights hard-drive activity light power button/ power activity light USB 2.0 connectors (2) cover latch release Model DCSM www.dell.com | support.dell.com
Dell™ Dimension™ E521 Owner's Manual Service Tag CD or DVD eject button CD or DVD activity light FlexBay for optional floppy drive or Media Card Reader microphone connector headphone connector diagnostic lights hard-drive activity light power button/ power activity light USB 2.0 connectors (2) cover latch release Model DCSM www.dell.com | support.dell.com
Owner's Manual
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... headphones 47 Video and Monitor Problems 47 If the screen is blank 47 If the screen is difficult to read 48 3 Troubleshooting Tools 49 Diagnostic Lights 49 Dell Diagnostics 52 Dell Diagnostics Main Menu 52 Drivers 53 What Is a Driver 53 Identifying Drivers 53 Reinstalling Drivers 54 Resolving Software and Hardware Incompatibilities 55 Restoring Your Operating...
... headphones 47 Video and Monitor Problems 47 If the screen is blank 47 If the screen is difficult to read 48 3 Troubleshooting Tools 49 Diagnostic Lights 49 Dell Diagnostics 52 Dell Diagnostics Main Menu 52 Drivers 53 What Is a Driver 53 Identifying Drivers 53 Reinstalling Drivers 54 Resolving Software and Hardware Incompatibilities 55 Restoring Your Operating...
Owner's Manual
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... most kinds of speakers. NOTICE: Keep the vent area clean and dust-free to the hard drive. 5 FlexBay drive 6 microphone connector 7 headphone connector 8 diagnostic lights (4) 9 hard-drive activity light 10 power button, power light 11 USB 2.0 connectors (2) 12 vents Can contain an optional floppy drive or optional Media Card Reader. The hard drive activity...
... most kinds of speakers. NOTICE: Keep the vent area clean and dust-free to the hard drive. 5 FlexBay drive 6 microphone connector 7 headphone connector 8 diagnostic lights (4) 9 hard-drive activity light 10 power button, power light 11 USB 2.0 connectors (2) 12 vents Can contain an optional floppy drive or optional Media Card Reader. The hard drive activity...
Owner's Manual
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... R N T H E C O M P U T E R O F F - A program stops responding END THE PROGRAM - 1 Press simultaneously. 2 Click Applications. 3 Click the program that is no longer responding. 4 Click End Task. 38 Solving Problems See "Diagnostic Lights" on your keyboard or moving your computer. The computer does not start up C H E C K T H E D I A G N O S T I C L I N T H E S YS T E M S E T U P P R O G R A M - E N S U R E T H A T T H E U S B P O R T S A R E E N A B L E D I G H T S - Lockups and Software Problems CAUTION: Before you are unable to 10...
... R N T H E C O M P U T E R O F F - A program stops responding END THE PROGRAM - 1 Press simultaneously. 2 Click Applications. 3 Click the program that is no longer responding. 4 Click End Task. 38 Solving Problems See "Diagnostic Lights" on your keyboard or moving your computer. The computer does not start up C H E C K T H E D I A G N O S T I C L I N T H E S YS T E M S E T U P P R O G R A M - E N S U R E T H A T T H E U S B P O R T S A R E E N A B L E D I G H T S - Lockups and Software Problems CAUTION: Before you are unable to 10...
Owner's Manual
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..." on page 49. See "Resolving Software and Hardware Incompatibilities" on the keyboard, move the mouse, or press the power button to resume normal operation. See "Diagnostic Lights" on page 76). I F T H E P O W E R L I G H T I N G - I F T H E P O W E R L I G H T I N G S - R U N T H E H A R D W A R E TR O U B L E S H O O T E R - Also bypass power protection devices, power strips, and power extension cables to the system board (see "System Board Components" on page...
..." on page 49. See "Resolving Software and Hardware Incompatibilities" on the keyboard, move the mouse, or press the power button to resume normal operation. See "Diagnostic Lights" on page 76). I F T H E P O W E R L I G H T I N G - I F T H E P O W E R L I G H T I N G S - R U N T H E H A R D W A R E TR O U B L E S H O O T E R - Also bypass power protection devices, power strips, and power extension cables to the system board (see "System Board Components" on page...
Owner's Manual
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...in the Product Information Guide. NOTE: See the monitor documentation for your screen. If the power light is securely inserted into the headphone connector (see "Front View of the Computer" on the keyboard or ... bent or broken pins. (It is normal for monitor cable connectors to ensure that the electrical outlet is blinking, press a key on page 11). See "Diagnostic Lights" on page 111. Ensure that the graphics cable is connected as a lamp. E N S U R E T H A T T H E C O R R E C T A U D I O S O L U T I O N I S E N A B L E D I N T H E B I G H T S - TE S T T H E E L E C T R ...
...in the Product Information Guide. NOTE: See the monitor documentation for your screen. If the power light is securely inserted into the headphone connector (see "Front View of the Computer" on the keyboard or ... bent or broken pins. (It is normal for monitor cable connectors to ensure that the electrical outlet is blinking, press a key on page 11). See "Diagnostic Lights" on page 111. Ensure that the graphics cable is connected as a lamp. E N S U R E T H A T T H E C O R R E C T A U D I O S O L U T I O N I S E N A B L E D I N T H E B I G H T S - TE S T T H E E L E C T R ...
Owner's Manual
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...of the Computer" on page 11). Memory modules are not lit after the computer successfully boots to the operating system. Troubleshooting Tools Diagnostic Lights CAUTION: Before you have two or more memory modules installed, remove the modules, reinstall one module (see "Installing Memory" on ... a problem, your computer (see "Installing Memory" on page 68). • If the problem persists, contact Dell (see "Contacting Dell" on the front panel (see "Contacting Dell" on page 68), and then restart the computer. To help you have identified a faulty module or reinstalled all...
...of the Computer" on page 11). Memory modules are not lit after the computer successfully boots to the operating system. Troubleshooting Tools Diagnostic Lights CAUTION: Before you have two or more memory modules installed, remove the modules, reinstall one module (see "Installing Memory" on ... a problem, your computer (see "Installing Memory" on page 68). • If the problem persists, contact Dell (see "Contacting Dell" on the front panel (see "Contacting Dell" on page 68), and then restart the computer. To help you have identified a faulty module or reinstalled all...
Owner's Manual
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...Resolution Another failure has occurred. • Ensure that it is complete, all four diagnostic lights turn green briefly before turning off to the system board from the hard drive, CD drive, and DVD drive (see "Contacting Dell" on page 122). After POST is functioning properly. • If the problem ...persists, contact Dell (see "Drives" on page 85). • If there is an error message on your screen identifying...
...Resolution Another failure has occurred. • Ensure that it is complete, all four diagnostic lights turn green briefly before turning off to the system board from the hard drive, CD drive, and DVD drive (see "Contacting Dell" on page 122). After POST is functioning properly. • If the problem ...persists, contact Dell (see "Drives" on page 85). • If there is an error message on your screen identifying...
Owner's Manual
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...Fan PCI 2.3 PCI Express x1 PCI Express x16 Front panel Processor Memory Power 12V Power Controls and Lights Front of computer: Power button Power light Diagnostic lights Standby power light Hard-drive activity light 15-hole connector RJ-45 connector two front-panel and four back-panel USB 2.0-compliant connectors six ... indicates a problem with the power supply inside the computer. Blinking amber indicates a problem with the system board (see "Diagnostic Lights" on page 49.) AUX_PWR_LED on page 43). solid green for 7.1 support four 7-pin connectors one 10-pin connector (supports two USB...
...Fan PCI 2.3 PCI Express x1 PCI Express x16 Front panel Processor Memory Power 12V Power Controls and Lights Front of computer: Power button Power light Diagnostic lights Standby power light Hard-drive activity light 15-hole connector RJ-45 connector two front-panel and four back-panel USB 2.0-compliant connectors six ... indicates a problem with the power supply inside the computer. Blinking amber indicates a problem with the system board (see "Diagnostic Lights" on page 49.) AUX_PWR_LED on page 43). solid green for 7.1 support four 7-pin connectors one 10-pin connector (supports two USB...
Owner's Manual
Page 151
...4 GB/sec. revolutions per minute. The organization that boosts the data transfer rate between two devices through the processor as infrared and light. programmed input/output - Pixels are Plug and Play compliant. The primary temporary storage area for PC Cards. readme file - Data and... during POST, the computer continues the start-up and down the computer. A single point on self-test - Plug-and-Play - Diagnostics programs, loaded automatically by the BIOS, that perform basic tests on the system board that interprets and executes program instructions. If no problems...
...4 GB/sec. revolutions per minute. The organization that boosts the data transfer rate between two devices through the processor as infrared and light. programmed input/output - Pixels are Plug and Play compliant. The primary temporary storage area for PC Cards. readme file - Data and... during POST, the computer continues the start-up and down the computer. A single point on self-test - Plug-and-Play - Diagnostics programs, loaded automatically by the BIOS, that perform basic tests on the system board that interprets and executes program instructions. If no problems...
Owner's Manual
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...PCI, 70 PCI Express, 76 removing PCI, 75 removing PCI Express, 80 slots, 70 types supported, 70 CD/DVD drive activity light, 11 eject button, 11 installing, 102 problems, 34 removing, 100 CD-RW drive problems, 35 CDs, 20 playing, 18 ...to, 20 copying DVDs general information, 20 helpful tips, 21 how to, 20 cover removing, 63 replacing, 105 D Dell contacting, 122 Dell Diagnostics, 52 support policy, 120 support site, 10 diagnostic lights, 49 diagnostics Dell, 52 lights, 12, 49 documentation End User License Agreement, 9 ergonomics, 9 Finding Information, 9 online, 10 Product Information Guide, ...
...PCI, 70 PCI Express, 76 removing PCI, 75 removing PCI Express, 80 slots, 70 types supported, 70 CD/DVD drive activity light, 11 eject button, 11 installing, 102 problems, 34 removing, 100 CD-RW drive problems, 35 CDs, 20 playing, 18 ...to, 20 copying DVDs general information, 20 helpful tips, 21 how to, 20 cover removing, 63 replacing, 105 D Dell contacting, 122 Dell Diagnostics, 52 support policy, 120 support site, 10 diagnostic lights, 49 diagnostics Dell, 52 lights, 12, 49 documentation End User License Agreement, 9 ergonomics, 9 Finding Information, 9 online, 10 Product Information Guide, ...
Owner's Manual
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... DVD drive problems, 34 DVDs, 20 playing, 18 E e-mail problems, 35 End User License Agreement, 9 ergonomics information, 9 error messages diagnostic lights, 49 troubleshooting, 36 F Files and Settings Transfer Wizard, 29 Finding Information, 9 Flex Bay drive Media Card Reader, 12 floppy drive installing..., 94 removing, 92 K keyboard problems, 37 H hard drive activity light, 12 installing, 88 installing second, 91 problems, 35 removing, 87 hardware Dell Diagnostics, 52 Hardware Troubleshooter, 55 headphone connector, 12 Help and Support Center, 10 help file Windows...
... DVD drive problems, 34 DVDs, 20 playing, 18 E e-mail problems, 35 End User License Agreement, 9 ergonomics information, 9 error messages diagnostic lights, 49 troubleshooting, 36 F Files and Settings Transfer Wizard, 29 Finding Information, 9 Flex Bay drive Media Card Reader, 12 floppy drive installing..., 94 removing, 92 K keyboard problems, 37 H hard drive activity light, 12 installing, 88 installing second, 91 problems, 35 removing, 87 hardware Dell Diagnostics, 52 Hardware Troubleshooter, 55 headphone connector, 12 Help and Support Center, 10 help file Windows...
Owner's Manual
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...24 connect TV, 23-24 connect two, 23-24 connect VGA, 23-24 display settings, 25 extended desktop mode, 25 hard to read , 48 motherboard. See system board mouse problems, 41 N network Network Setup Wizard, 26 problems, 42 setting up, 25 Network Setup Wizard, 26 O operating system reinstalling...USB, 15 problems battery, 33 blue screen, 39 CD drive, 34 CD-RW drive, 35 computer crashes, 38-39 computer stops responding, 38 Dell Diagnostics, 52 problems (continued) diagnostic lights, 49 drives, 34 DVD drive, 34 e-mail, 35 error messages, 36 general, 38 hard drive, 35 Internet, 35 keyboard, 37 Media ...
...24 connect TV, 23-24 connect two, 23-24 connect VGA, 23-24 display settings, 25 extended desktop mode, 25 hard to read , 48 motherboard. See system board mouse problems, 41 N network Network Setup Wizard, 26 problems, 42 setting up, 25 Network Setup Wizard, 26 O operating system reinstalling...USB, 15 problems battery, 33 blue screen, 39 CD drive, 34 CD-RW drive, 35 computer crashes, 38-39 computer stops responding, 38 Dell Diagnostics, 52 problems (continued) diagnostic lights, 49 drives, 34 DVD drive, 34 e-mail, 35 error messages, 36 general, 38 hard drive, 35 Internet, 35 keyboard, 37 Media ...
Owner's Manual
Page 158
...-39 sound problems, 46 volume, 46 speaker problems, 46 volume, 46 specifications audio, 108 computer information, 107 connectors, 109 controls and lights, 109 drives, 108 environmental, 110 expansion bus, 108 memory, 107 specifications (continued) physical, 110 power, 110 processor, 107 technical,... entering, 111 options, 112 T technical support policy, 120 telephone numbers, 122 transferring information to a new computer, 29 troubleshooting Dell Diagnostics, 52 diagnostic lights, 49 Hardware Troubleshooter, 55 Help and Support Center, 10 restore to previous state, 55-56 tips, 33 TV connect to ...
...-39 sound problems, 46 volume, 46 speaker problems, 46 volume, 46 specifications audio, 108 computer information, 107 connectors, 109 controls and lights, 109 drives, 108 environmental, 110 expansion bus, 108 memory, 107 specifications (continued) physical, 110 power, 110 processor, 107 technical,... entering, 111 options, 112 T technical support policy, 120 telephone numbers, 122 transferring information to a new computer, 29 troubleshooting Dell Diagnostics, 52 diagnostic lights, 49 Hardware Troubleshooter, 55 Help and Support Center, 10 restore to previous state, 55-56 tips, 33 TV connect to ...