Dell OptiPlex 7020 (Mid 2014) User Manual

Dell OptiPlex 7020 Mini TowerOwner's ManualRegulatory Model: D13MRegulatory Type: D13M001

4. Disconnect the antenna from the computer.5. Press the blue tab and lift the latch outwards and remove the WLAN card from the connector on the syste

Removing the Front Bezel1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Gently pry the front panel retention cl

3. Press the tab to release the latch.4. Pull the release lever away from the PCI x16 card until you release the securing tab from the dent in the car

• Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must have identical configurations.• Memory

3. Locate the coin-cell battery on the system board.4. Press the release latch away from the battery to allow the battery to pop-up from the socket an

3. Disconnect the data cable and the power cable from the back of the hard drive. Press the blue securing-bracket tabs inwards and lift the hard-drive

3. Disconnect the data cable and the power cable from the back of the optical drive.4. Slide and hold the optical-drive latch to unlock the optical dr

4. Follow the procedures in After Working Inside Your Computer.Removing the Speaker1. Follow the procedures in Before Working Inside Your Computer.2.

3. Disconnect the 4-pin and 8-in power cables from the system board and release the cable from the tab.4. Remove the screws that secure the power supp

Installing the Power Supply1. Place the power supply in the chassis and slide towards the back of the system to secure it.2. Tighten the screws to sec

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

3. Press the release lever down and then move it outward to release it from the retention hook. Lift the processor cover and remove the processor from

4. Pry and remove the system fan away from the four grommets securing it to the back of the computer.Installing the System Fan1. Place the system fan

3. Disconnect the thermal-sensor cable from the system board.4. Release the thermal-sensor cable from the chassis clip.5. Press the tabs on both sides

Installing the Thermal Sensor1. Secure the thermal sensor to the chassis.2. Thread the thermal-sensor cable into the chassis clips.3. Connect the ther

4. Release the power-switch cable from the chassis clips.5. Press the clips on both side of the power switch to release it from the chassis and, slide

Removing the Input/Output (I/O) Panel1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. coverb. front bezel3. Disconnect the

6. Slide the I/O panel towards the left of the computer to release it and pull the I/O panel along with its cable out of the computer.Installing the I

4. Remove the screws that secure the system board to the computer and slide the system board towards the front of the computer.5. Tilt the system boar

1. PCI Express x16 slot (wired as X4)2. PCI slot3. PCIe x1 slot4. coin-cell battery5. PCI Express x16 slot6. intrusion switch connector7. 4–pin CPU po

3System SetupSystem Setup enables you to manage your computer hardware and specify BIOS‐level options. From the System Setup, you can:• Change the NVR

Contents1 Working on Your Computer...5Before Working Inside Your Computer

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 DescriptionAdvance Boot Options Enable Legacy Option ROMs - This option is enabled by default.Date/Time Allows you to set the date and time. Th

Option DescriptionIf USB port is disabled, the operation system cannot see any device attached to this port.USB configuration:For Mini-Tower, Small Fo

Option DescriptionPassword Change Allows you to determine whether changes to the system and hard disk passwords are permitted when an administrator pa

NOTE: To enable secure boot, UEFI boot mode must be enabled and Enable Legacy Option ROMs must be disabled or turned off.Expert key Management Allows

Option Description• Disabled - Does not allow the TurboBoost driver to increase the performance state of the processor above the standard performance.

Option DescriptionUSB Wake Support This option allows you to enable USB devices to wake the computer from standby.• Enable USB Wake Support - This opt

Option Description• Enable Intel Virtualization Technology for Direct I/O - This option is enabled by default.Trusted Execution This option specifies

Option DescriptionNOTE: This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enable with Cloud Desk

3. Enter the Service Tag or Express Service Code and click Submit.NOTE: To locate the Service Tag, click Where is my Service Tag?NOTE: If you cannot f

Removing the Power Switch... 23Installing t

NOTE: Your computer is shipped with the system and setup password feature disabled.Assigning a System Password and Setup PasswordYou can assign a new

6. Press <Y> to save the changes and exit from the System Setup.The computer reboots.Disabling a System PasswordThe system's software secur

4DiagnosticsIf you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of r

5Troubleshooting Your ComputerYou can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the op

Amber LED State Description3,5 memory modules are detected, but a memory configuration or compatibility error3,6 possible system board resource and/or

Error Message DescriptionController has failedThe hard drive or the associated controller is defective.Data error The floppy or hard drive cannot read

Error Message DescriptionMemory allocation errorThe software you are attempting to run is conflicting with the operating system, another program, or a

Error Message DescriptionReset failed The disk re-set operation failed.Sector not found The operating system cannot locate a sector on the floppy or h

6SpecificationsNOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start icon) → Help

Table 19. NetworkFeature SpecificationIntegrated Intel I217LM Ethernet capable of 10/100/1000 Mb/s communicationTable 20. System InformationFeature Sp

1Working on Your ComputerBefore Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage an

Feature SpecificationSmall Form Factor one slim-optical drive bayInternally Accessible 3.5-inch SATA drive bays 2.5-inch SATA drive baysMini-Tower two

Feature SpecificationMini-Tower one 164-pin connectorSmall Form Factor one 64–pin connectorPCI Express x16 data width (maximum) — 16 PCI Express lanes

Table 26. Controls and LightsFeature SpecificationFront of the computer:Power button light White light — Solid white light indicates power-on state; b

Table 28. Physical DimensionPhysical Height Width Depth WeightMini-Tower 36.00 cm (14.17 inches)17.50 cm (6.89 inches)41.70 cm (16.42 inches) 9.40 kg

7Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

To avoid damaging your computer, perform the following steps before you begin working inside the computer.1. Ensure that your work surface is flat and

After Working Inside Your ComputerAfter you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turn

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

Removing the Intrusion Switch1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Disconnect the intrusion-switch ca