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Dell™ Dimension™ 4700C Service Manual

Before You Begin

Attaching and Removing the Computer Stand

Opening the Computer Cover

Inside View Of Your Computer

Specifications

Troubleshooting Tools

System Setup

Removing and Installing Parts

Model DHP

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc.

is strictly forbidden.

Trademarks used in this text:

Dell

, the

DELL

logo,

Inspiron

Dell Precision

Dimension

OptiPlex

Latitude, PowerEdge, PowerVault, PowerApp,

a n d

Dell OpenManage

are trademarks of Dell

Inc.;

Intel

Pentium,

a n d

Celeron

are registered trademarks of Intel Corporation;

Microsoft

and

Windows

are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.

September 2004 Rev. A00

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 CAUTION indicates a potential for property damage, personal injury, or death.

Содержание Dimension 4700C

Страница 1: ...owerEdge PowerVault PowerApp and Dell OpenManage are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary in...

Страница 2: ...ee your Owners Manual for more information l If the power light is steady amber a device might be malfunctioning or incorrectly installed Remove and then reinstall the memory modules Remove and then reinstall any cards Remove and then reinstall the graphics card if applicable l Eliminate sources of interference Some possible causes of interference are Power keyboard and mouse extension cables Too ...

Страница 3: ...tarts normally reinstall an additional module Continue until you have identified a faulty module or reinstalled all modules without error l If available install properly working memory of the same type into your computer see your Owner s Manual l If the problem persists contact Dell see your Owner s Manual Memory modules are detected but a memory configuration or compatibility error exists l Ensur...

Страница 4: ...3 1 4 Slave interrupt mask register failure 3 2 2 Interrupt vector loading failure 3 2 4 Keyboard Controller Test failure 3 3 1 NVRAM power loss 3 3 2 NVRAM configuration 3 3 4 Video Memory Test failure 3 4 1 Screen initialization failure 3 4 2 Screen retrace failure 3 4 3 Search for video ROM failure 4 2 1 No timer tick 4 2 2 Shutdown failure 4 2 3 Gate A20 failure 4 2 4 Unexpected interrupt in p...

Страница 5: ...orrectly in the system setup program Check the interface cable at both ends DMA Error DMA 1 Error DMA 2 Error An error occurred in the DMA controller on the system board The keyboard or system board may need to be replaced FDD Controller Failure HDD Controller Failure The BIOS cannot communicate with the floppy drive or hard drive controller Ensure that the floppy drive or the hard drive is instal...

Страница 6: ...ter from potential damage and to help ensure your own personal safety 1 Turn off your computer 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 NOTICE To avoid losing data save and close any open files and exit any open programs before you turn ...

Страница 7: ...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 of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components ...

Страница 8: ...stration Then press the two release buttons as you lift the cover 7 Raise the back of the cover and pivot it toward the front of the computer Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the ne...

Страница 9: ...e power button to ground the system board 5 Move the hinge arms to the closed position 6 Align the two clips on the inside of the front door with the two hinge arms 7 Press inward on the front door until it clips to both hinge arms Memory You can increase your computer memory by installing memory modules on the system board Your computer supports DDR2 memory For additional information on the type ...

Страница 10: ...omputer memory Installing Memory 1 Follow the procedures in Before You Begin 2 Lay the computer on its side so that the system board is on the bottom of the inside of the computer 3 Press out the securing clip at each end of the memory module connector NOTE Always install DDR2 memory modules in the order indicated on the system board NOTICE Do not install ECC memory modules NOTE Memory purchased f...

Страница 11: ...press cards l One PCI Express x16 card slot NOTICE To avoid damage to the memory module press the module straight down into the connector while you apply equal force to each end of the module NOTICE To connect a network cable first plug the cable into the network device and then plug it into the computer CAUTION Before you begin any of the procedures in this section follow the safety instructions ...

Страница 12: ...emoving but not replacing a card see Removing a PCI Express Card If you are replacing a card remove the current driver for the card from the operating system Installing a PCI Express Card 1 Follow the procedures in Before You Begin 2 If you are installing a new card remove the filler bracket to create a card slot opening Then continue with step 4 NOTE The slots for the PCI Express x16 and PCI Expr...

Страница 13: ...d making internal connections or otherwise customizing it for your computer 5 If you are installing the card into the x16 card connector position the card so the securing slot is aligned with the securing tab and gently pull the securing tab 6 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot CAUTION Some network adapters automatically start the...

Страница 14: ...ter and devices to electrical outlets and then turn them on 6 Remove the card s driver from the operating system Flash Card Reader For information on using the Flash Card Reader see Using a Flash Card Reader in your Owner s Manual Removing a Flash Card Reader NOTICE Do not route card cables over or behind the cards Cables routed over the cards can prevent the computer cover from closing properly o...

Страница 15: ...able routing clip 8 Press in on the release tabs at each end of the media bracket and slide the unit out 9 Reconnect the flex cable assembly to the back of the CD drive 10 Close the computer cover Installing a Flash Card Reader 1 Follow the procedures in Before You Begin CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide N...

Страница 16: ... panel USB connector on the system board 9 Connect the IEEE 1394 cable on the back of the Flash Card Reader to the front panel IEEE 1394 connector on the system board 10 Route the USB cable and the IEEE 1394 cable through the cable routing clip 11 Reconnect the flex cable assembly to the back of the CD drive 12 Close the computer cover Processor Removing the Processor NOTICE Do not perform the fol...

Страница 17: ...er While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components CAUTION The heat sink assembly can get very hot during normal operation Be sure that the assembly has had sufficient time to cool before you touch it NOTICE If you are installing a processor upgrade kit from Dell discard the original heat sink If you are not insta...

Страница 18: ...If the release lever on the socket is not fully extended move it to that position 3 Align the pin 1 corners of the processor and socket NOTICE Carefully remove the processor from the socket to avoid permanent damage to the processor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE You must position the processor correctly in the socket to avoid perma...

Страница 19: ...the securing clip tab and lower the securing clip into place Make sure that the notched ends of the securing clip are secured in the retention base slots 9 Plug the fan cable into the FAN connector on the system board 10 Plug the power cable into the 12VPOWER connector on the system board 11 Close the computer cover 12 Connect your computer and devices to electrical outlets and turn them on Modem ...

Страница 20: ...Connect the modem cable to the modem 5 Close the computer cover Replacing the Modem Cable and External Modem Connector 1 Follow the procedures in Before You Begin 2 Open the computer cover 3 Remove the modem cable and ground wire from the modem a Disconnect the modem cable from the modem b Remove the screw that secures the ground wire to the modem and system board and set the screw aside c Remove ...

Страница 21: ...processor making sure that you keep the wires away from any internal parts 6 Attach the modem cable and ground wire to the modem a Connect the modem cable to the modem b Replace the screw that secures the ground wire to the modem and system board 7 Align the fan with the holes on the heat sink and replace the two screws 8 Close the computer cover Power Supply Removing the Power Supply 1 Shut down ...

Страница 22: ...e power supply into place 2 Run the cables underneath the clips and press the clips to close them over the cables 3 Reconnect the DC power cables 4 Close the computer cover 5 Connect the AC power cable to the power supply connector 6 Attach the computer stand optional 7 Connect your computer and devices to electrical outlets and turn them on System Board CAUTION To guard against electrical shock a...

Страница 23: ...dem and ground wire to the system board and set the screws aside 11 Before you remove the existing system board visually compare the replacement system board to the existing system board to make sure that you have the correct part 12 Remove the system board a Remove the screw from the system board toward the front of the computer b Slide the system board toward the front of the computer to until i...

Страница 24: ...onto the pins 6 Replace the screw that holds the system board down 7 Reconnect the modem cable and ground wire to the modem a Reconnect the modem cable from the modem b Use a size 1 screwdriver to remove the screws securing the modem and ground wire to the system board and set the screws aside 8 Replace any components and cables that you removed from the system board 9 Reconnect all cables to thei...

Страница 25: ...re the settings you recorded in step 1 9 Properly dispose of the old battery See the Product Information Guide for battery disposal information CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch a...

Страница 26: ...the right side of the cover until it closes c Press down on the left side of the cover until it closes d Ensure that both sides of the cover are locked If not repeat all of step 4 5 Attach the computer stand optional 6 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instr...

Страница 27: ... of 10 100 Mbps communication System clock 800 MHz data rate Video Type Intel integrated Graphics Media Accelerator GMA 900 x16 PCI Express Discrete Graphics Audio Type ADI 1980 AC97 Codec Expansion Bus Bus type PCI Express x1 and x16 Bus speed PCI Express x1 slot bidirectional speed 500 MB sec x16 slot bidirectional speed 8 GB sec PCI Express connector one x1 connector size 36 pins connector data...

Страница 28: ...el audio one 10 pin header Front panel one 34 pin header Power one 2 x 10 connector Processor power one 2 x 2 connector IEEE 1394 one 2 x 5 header for optional Flash Card Reader 3 5 inch bay device Controls and Lights Power control push button Power light green light Blinking green in sleep state solid green for power on state amber light Blinking amber indicates a problem with an installed device...

Страница 29: ... 35 6 cm 14 0 inches Weight 7 4 kg 16 4 lb Environmental Temperature Operating 10 to 35 C 50 to 95 F NOTE At 35 C 95 F the maximum operating altitude is 914 m 3000 ft Storage 40 to 65 C 40 to 149 F Relative humidity 20 to 80 noncondensing Maximum vibration Operating 0 25 G at 3 to 200 Hz at 0 5 octave min Storage 0 5 G at 3 to 200 Hz at 1 octave min Maximum shock Operating bottom half sine pulse w...

Страница 30: ...stand with the tab holes and screw hole in the bottom of the computer 4 Tighten the screw 5 Place the computer in the upright position To remove the stand 1 Turn the computer over so that the stand is at the top 2 Loosen the screw and lift the stand away CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTE Place your co...

Страница 31: ...3 Place the computer in a horizontal position until you reattach the stand Back to Contents Page ...

Страница 32: ...ield is a scrollable list containing features that define the configuration of your computer including installed hardware power conservation and security features Scroll up and down the list with the up and down arrow keys As an option is highlighted the Option Field displays more information about that option and the option s current and available settings Press Enter to expand or contract each o...

Страница 33: ...de setting l Quiet default The hard drive operates at its most quiet setting l Suggested The hard drive operates at the level suggested by the drive manufacturer l Performance The hard drive operates at its maximum speed NOTE Switching to performance mode may cause the drive to be noisier but its performance is not affected NOTE Changing the acoustics setting does not alter your hard drive image S...

Страница 34: ...a device and press Enter For example if you are booting to a USB memory key highlight USB Flash Device and press Enter Changing Boot Sequence for Future Boots 1 Enter system setup 2 Use the arrow keys to highlight the Boot Sequence menu option and press Enter to access the menu 3 Press the up and down arrow keys to move through the list of devices 4 Press the spacebar to enable or disable a device...

Страница 35: ...nd attach the jumper to pins 2 and 3 to re enable the password feature 10 Close the computer cover 11 Connect your computer and devices to electrical outlets and turn them on Clearing CMOS Settings 1 Follow the procedures in Before You Begin 2 Reset the current CMOS settings a Locate the 3 pin CMOS jumper RTCRST on the system board b Remove the jumper plug from pins 1 and 2 c Place the jumper plug...

Страница 36: ...r cover 4 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer ...

Страница 37: ...mponents 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 Be careful when opening the computer cover to ensure that you do not inadvertently disconnect cables from the system board ...

Страница 38: ...Power Supply DC Connector Pin Assignments DC Power Connector P1 Pin Number Signal name 18 AWG Wire ...

Страница 39: ...VSB Purple 10 12 VDC Yellow 11 3 3 VDC Orange 12 12 VDC Blue 13 GND Black 14 PS ON Green 15 GND Black 16 GND Black 17 GND Black 18 5 VDC N C 19 5 VDC Red 20 5 VDC Red Sense connector Pin Number Signal Name 18 AWG Wire 1 GND Black 2 GND Black 3 12 VDC Yellow 4 12 VDC Yellow Pin Number Signal Name 18 AWG Wire 1 3 3 VDC Orange 2 GND Black 3 5 VDC Red 4 GND Black 5 12 VDC Yellow ...

Страница 40: ...Back to Contents Page Pin Number Signal Name 22 AWG Wire 1 5 VCD Red 2 GND Black 3 GND Black 4 12 VDC Yellow ...

Страница 41: ...l OpenManage are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names...

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