Dell T7910 + E2014H Owner's Manual

Dell Precision Tower 7910Owner's ManualRegulatory Model: D02XRegulatory Type: D02X003

1. power button/power light2. USB 3.0 connector3. optical drive (optional)4. optical-drive eject button (optional)5. USB 2.0 connectors6. hard-drive a

Figure 2. Inside View of T7910 Computer1. processor heatsink with integrated fan 2. memory shroud3. optical drive 4. front bezel5. system board 6. gra

Figure 3. Inside View of T7910 Computer1. system fans2. speaker3. PCIe-card retention 4. power-supply unit5. PCIe-card retentionRemoving the Power Sup

Installing the Power Supply Unit (PSU)1. Hold the PSU handle and push the unit into its compartment until it clicks into place.2. Follow the procedure

Installing the Front Cover1. Place the front cover on the computer.2. Press down on the front cover till it clicks into place.3. Follow the procedures

5. If a second hard drive is installed, Pull the clasp of the second hard-drive bracket in an outward direction.6. Slide the second hard-drive bracket

7. Flex the hard-drive bracket on both sides to loosen the hard drive.8. Lift the hard drive in an upward direction to remove it from the hard-drive b

Installing the Hard Drive1. If a 2.5–inch or 3.5–inch hard drive is installed, place the hard drive to the hard-drive caddy until it snaps to its plac

Installing the Left Cover1. Place the computer cover on the chassis.2. Press down on the cover till it clicks into place.3. Follow the procedures in A

Installing the Intrusion Switch1. Install the intrusion switch into its place holder on the chassis.2. Route the intrusion-switch cable around the cha

Notes, cautions, and warningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

4. Press down the latch and pull the PCI card away from the computer.Installing the PCI Card1. Push the expansion card into the card slot and secure t

4. Disconnect the power cable from the back of the optical drive.5. Pull up the blue release tab to release the latches that secure the optical drive.

6. Slide the optical drive out of its compartment and lift it up to remove it from the computer.7. Flex the optical-drive bracket latches in an outwar

Installing the Slimline Optical Drive1. Slide the optical drive into its compartment and ensure it is seated firmly.2. Connect the power cable and the

5. Press down on the release latch on the memory shroud base and lift it upwards to remove it from the computer.6. Repeat the steps to remove the seco

Removing the Memory1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. left coverb. optical drivec. memory shroud3. Press dow

Installing the Coin-Cell Battery1. Place the coin-cell battery into the slot on the system board.2. Press the coin-cell battery downward until the rel

5. Lift up the heatsink and remove it from the computer.Installing the Heatsink1. Place the heatsink inside the computer.2. Tighten the captive screws

Removing the Liquid Cooler Heatsink (Optional)1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. left coverb. memory shroud

6. Remove the screws that secure the heatsink bracket and remove the bracket away from the system board.Installing the Liquid Cooler Heatsink (Optiona

Contents1 Working on Your Computer...6Before Working Inside Your Computer

3. Place the liquid cooler onto the bracket at 45 degree rotation.NOTE: The tabs on the bottom of the heatsink must align with the bracket.4. Connect

5. Press firmly on the heatsink and rotate clockwise.6. Install:a. memory shroud (center)b. left cover7. Install the memory modules.8. Follow the proc

b. heatsinkc. memory shroud (center)3. Push the grommets outward to release the heatsink fan from the assembly.4. Remove the heatsink fan from the hea

Installing the PCIe card retention1. Place the PCIe card retention in its slot and insert the latches.2. Route the cables through latches.3. Install:a

4. Push the PCIe card retention in the direction indicated to unhinge it from the system-fan module.5. Lift the PCIe card retention in an upward direc

7. Route the system-fan cable through the opening in the system-fan module.8. Perform the following steps as shown in the illustration:a. Disconnect t

9. Perform the following steps as shown in the illustration:a. Remove the screws that secure the system-fan assembly to the chassis [1].b. Lift and re

10. Insert the fan cable through the opening to release the system-fan module.11. Remove the grommets that secure the system fan , lift up the fan and

Installing the System-Fan Assembly1. Tighten the grommets that secure the system fan to the system-fan module.2. Connect the system-fan cable to the s

4. Rotate and pull the bezel panel away from the computer to release the hooks on the opposite edge of the bezel from the chassis.Installing the Front

Removing the Front Bezel... 38Installin

Removing the I/O Panel and the USB 3.0 Ports1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. front bezelb. left coverc. fr

6. Slide the opposite edge of the I/O panel assembly outward to disengage the I/O assembly from the chassis.7. Remove the screws that secure the USB 3

4. Install the screws that secure the I/O panel assembly to the chassis.5. Connect all the cables to the I/O panel.6. Install:a. front bezelb. front c

Installing the Power Switch1. Connect the power-switch cable to the I/O panel board.2. Route the power-switch module through the opening on the front

4. Perform the following steps:a. Press the speaker latch on both sides to release the speaker from the chassis.b. Lift to remove the speaker from the

Removing the Right Cover1. Follow the procedures in Before Working Inside Your Computer.2. Remove the screws that secure the right cover to the chassi

Figure 4.Installing the Right Cover1. Place the right cover on the computer.2. Install the screws that secure the right cover to the computer.3. Follo

5. Remove the screws from the optical drive and remove the bracket.Installing the 5.25-inch Optical DriveNOTE: If the sytem is not shipped with optica

4. Unroute the HDD thermal-sensor cable from its securing clips on the chassis.5. Open the latch securing the HDD thermal sensor and remove it from th

Installing the HDD Thermal Sensor1. Install the HDD thermal-sensor cable on the system board.2. Route the HDD thermal-sensor cable around the computer

6 Troubleshooting Your Computer...73Diagnostic LEDs...

NOTE: Damaging pins during removal of the processor can cause damage to the processor.4. Repeat the above steps to remove the second processor (if ava

b. right cover3. Disconnect the hard-drive fan cable from the system board.4. Route the cable from below the computer chassis as indicated.5. Remove t

Installing the Hard-Drive Fan1. Install the screws that secure the hard-drive fan to the system chassis.2. Route the hard-drive fan cable through the

Installing the Power Supply Unit (PSU) Card1. Install the screws that secure the PSU card to the chassis.2. Connect all the cables to the PSU card.3.

1. PCI card slot (slot 5) 2. PCI Express 3.0 x16 card slot (slot 4)3. PCI Express 2.0 x16 (x4 electrically) card slot (slot 3)4. PCI Express 3.0 x16 c

31. password jumper 32. hard-drive fan connector33. SATA connectors 34. USB 3.0 connector for front panel35. CPU1 fan connector 36. front panel connec

5. Perform the following steps as shown in the illustration:a. Slide the system board towards front direction [1].b. Tilt the system board [2].6. Lift

Installing the System Board1. Align the system board to the port connectors on the back of the chassis and place the system board in the chassis.2. Ti

3Additional InformationThis section provides information for the additional features that are part of your computer.Memory Module GuidelinesTo ensure

Power Supply Unit (PSU) LockThe PSU lock prevents the removal of the PSU from the chassis.NOTE: To lock or unlock the PSU, always ensure that the cove

1Working on Your Computer Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage a

4System SetupSystem Setup enables you to manage your computer hardware and specify BIOS‐level options. From the System Setup, you can:• Change the NVR

Table 1. Navigation KeysKeys NavigationUp arrow Moves to the previous field.Down arrow Moves to the next field.<Enter> Allows you to select a va

Option Description• Enable Legacy Option ROMs (Default)Date/Time Allows you to set the date and time. The changes to the system date and time takes ef

Option DescriptionTower 7910• SATA–0• SATA–1Default Setting: All drives are enabled.NOTE: If the hard drives are connected to a RAID controller card,

Option Description(memory-mapped IO) and the operating system.• Small (Default)• LargeTable 4. VideoOption DescriptionPrimary Video Slot Allows you to

Option DescriptionCPU XD Support Allows you to enable the Execute Disable mode of the processor.• Enable CPU XD Support (Default)OROM Keyboard AccessA

Option DescriptionNOTE: • The options displayed could be different depending on the installed processor(s).• The options depend on the number of cores

Option Description• Last Power StateAuto On Time Allows you to set the time at which the computer must turn on automatically. The options are:• Disabl

Option DescriptionFastboot Allows you to speed up the boot process by bypassing some compatibility steps. The options are:• Minimal• Thorough - This o

Option Description• L0s OnlyPcie LinkSpeed• Auto (Default)• Gen1• Gen2• Gen3Updating the BIOS It is recommended to update your BIOS (system setup), on

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.3. Disconnect all

CAUTION: The password features provide a basic level of security for the data on your computer.CAUTION: Anyone can access the data stored on your comp

NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the System and/or Setup password, confirm

5DiagnosticsIf you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of r

6Troubleshooting Your ComputerYou can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the op

Check the PSU cabling to Motherboard to make sure that all cables are installed correctly.2,3A possible Motherboard, Memory, or CPU failure has occurr

at a time) until you have identified all modules without error. If available, install working memory of the same type into your computer.3,4Power conn

Table 16. Errors that halt your computer completelyError MessageError! Non-ECC DIMMs are not supported on this system.Alert! Processor cache size is m

Error MessageAlert! Memory related failure detected.Alert! Correctable memory error has been detected in memory slot DIMMx.Warning: Non-optimal memory

7Technical SpecificationsNOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. F

Table 23. AudioFeature SpecificationIntegrated Realtek ALC3220 audio codecTable 24. NetworkFeature SpecificationTower 7910 Intel i217 and Intel i210Ta

2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down .2. Ensure that the computer and all attached

Feature Specification• supports up to four 2.5–inches hard drives (with optional adapters)3.5–inch hard drive bays fourNOTE: These hard drive bays can

Feature SpecificationBack I/O:PCI ExpressPCI Express x4Tower 7910 one 98–pin connector, one 164-pin connectorPCI Express x16Tower 7910 two 164-pin con

Feature SpecificationNetwork activity lights (back panel) yellow light — flashes when there is network activity on the connection.Table 30. PowerFeatu

Feature SpecificationStorage 105 G +/- 5% with pulse duration of 2 msec +/- 10% (equivalent to 127 cm/sec [50 in/sec])Altitude:Operating –15.2 m to 30

8Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

2Removing and Installing ComponentsThis section provides detailed information on how to remove or install the components from your computer.Recommende