Page 3 - Contents
Contents 1 Working on Your Computer................................................................................5 Before Working Inside Your Computer ................................................................................................ 5 Turning Off Your Computer .........................
Page 5 - Working on Your Computer; Before Working Inside Your Computer
1 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions ex...
Page 6 - Turning Off Your Computer
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 network cables from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets. 5. Press and hold the power but...
Page 7 - After Working Inside Your Computer
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 devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold...
Page 8 - Removing and Installing Components; Recommended Tools
2 Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small slotted-tip screwdriver• #2 Phillips screwdriver• #1 Phillips scre...
Page 9 - System Overview
System Overview Figure 1. Front and Back View of T7810 Computer 1. microphone connector 2. power button/Power light 3. hard-drive activity light 4. USB 3.0 connector 5. USB 2.0 connectors 6. optical-drive (optional) 7. optical-drive eject button (optional) 8. optical-drive (optional) 9. optical-driv...
Page 12 - Removing the Computer Cover
Installing the Power Supply Unit (PSU) 1. Hold the PSU handle and slide the PSU into the computer. 2. Follow the procedures in After Working Inside Your Computer . Removing the Computer Cover 1. Follow the procedures in Before Working Inside Your Computer . 2. Lift up the cover-release latch. 3. Lif...
Page 13 - Installing the Computer Cover; Removing the Front Bezel
Installing the Computer Cover 1. Place the computer cover on the chassis. 2. Press down on the computer cover until it clicks into place. 3. Follow the procedures in After Working Inside Your Computer . Removing the Front Bezel 1. Follow the procedures in Before Working Inside Your Computer . 2. Rem...
Page 14 - Installing the Front Bezel; Removing the Slim Line Optical Drive
Installing the Front Bezel 1. Insert the hooks along the bottom edge of the front panel into the slots on the chassis front. 2. Rotate the bezel towards the computer to engage the front-bezel retention clips until they click into place. 3. Install the computer cover . 4. Follow the procedures in Aft...
Page 17 - Installing the Slim Line Optical Drive; Removing the Hard Drive
10. Remove the screws that secure the optical drive to the optical-drive cage. 11. Remove the optical drive from the optical-drive cage. Installing the Slim Line Optical Drive 1. Lift the release latch, and slide the optical-drive cage inside the compartment. 2. Press on the clasp to release the lat...
Page 20 - Installing the Hard Drive; Removing the HDD Thermal Sensor
Installing the Hard Drive 1. If a 3.5–inch hard drive is installed on the computer, place the hard drive and press in on the latches of the hard-drive caddy. 2. If a 2.5–inch hard drive is installed on the computer, place the hard drive on the hard-drive caddy and tighten the screws to secure the ha...
Page 21 - Installing the HDD Thermal Sensor
5. Release the latch that secures the HDD thermal sensor. Here, the HDD thermal sensor is attached to the hard drive. Installing the HDD Thermal Sensor NOTE: The HDD thermal sensor is an optional component and your computer may not ship with it. 1. Connect the HDD thermal sensor to the SAS HDD compo...
Page 23 - Removing the Memory Shroud
6. Remove the screws that secure the I/O panel to the I/O panel cage. 7. Remove the I/O panel from the I/O panel cage. Installing the Input/Output (I/O) Panel 1. Replace the I/O panel in the I/O panel cage. 2. Tighten the screws to secure the I/O panel to the I/O panel cage. 3. Connect the cables to...
Page 24 - Installing the Memory Shroud; Removing the Memory
a. computer coverb. optical drive 3. Press down on the retention tab on the memory shroud and lift it from the computer. Installing the Memory Shroud 1. Install the memory shroud module and press downwards until it clicks into place. 2. Install:a. optical drive b. computer cover 3. Follow the proced...
Page 26 - Installing the Heatsink Assembly; Removing the Heatsink Fan
a. Disconnect the heatsink fan cable from the system board [1].b. Loosen the captive screws that secure the heatsink assembly [2].c. Lift up the heatsink and remove it from the computer [3]. 4. Repeat Step 4 to remove the second heatsink module from the computer. Installing the Heatsink Assembly 1. ...
Page 27 - Installing the Heatsink Fan
4. Slide the heatsink fan from the heatsink assembly. Installing the Heatsink Fan 1. Slide the heatsink fan into heatsink assembly. 2. Plug in the grommets to secure the heatsink fan to the heatsink assembly. 3. Install:a. heatsinks assemblyb. optical drive (required only for the installation of hea...
Page 28 - Removing the Processor
Removing the Processor 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove:a. computer coverb. optical drive (required only for the removal of CPU1).c. heatsink assembly 3. To remove the processor: NOTE: The processor cover is secured by two levers. They have icons that indic...
Page 29 - Installing the Processor; Removing the PCI Card
Installing the Processor 1. Place the processor in its socket. 2. Replace the processor cover. NOTE: The processor cover is secured by two levers. They have icons that indicate which lever needs to be opened first and which lever closes first. 3. Slide the first lever sideways into the retention hoo...
Page 30 - Installing the PCI Card; Removing the PCIe-Card Retention
Installing the PCI Card 1. Push the expansion card into the card slot and secure the latch. 2. Install the plastic latch that secures the PCI card to the card slot. 3. Install the computer cover . 4. Follow the procedures in After Working Inside Your Computer . Removing the PCIe-Card Retention 1. Fo...
Page 31 - Installing the PCIe card retention; Removing the System-Fan Assembly
Installing the PCIe card retention 1. Place the PCIe card retention in its slot and insert the latches. 2. Route the cables through the clips to secure them. 3. Install:a. PCIe cards b. computer cover 4. Follow the procedures in After Working Inside Your Computer . Removing the System-Fan Assembly 1...
Page 34 - Installing the System-Fan Assembly; Removing the PSU Card
Installing the System-Fan Assembly 1. Place the system fans in the system-fan assembly and attach the grommets. 2. Place the system-fan assembly in the chassis and connect the screws to secure the system-fan assembly to the chassis.. 3. Install the system board. 4. Connect the system-fan cables to t...
Page 35 - Installing the PSU Card
4. Perform the following steps as shown in the illustration:a. Disconnect the power cables from the system board [1].b. Remove the screws securing the PSU card to the slot [2].c. Remove the PSU card from the computer [3]. Installing the PSU Card 1. Replace the PSU card in its slot. 2. Tighten the sc...
Page 36 - Removing the Speaker; Installing the Speaker; System Board Components
Removing the Speaker 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the computer cover. 3. Disconnect the speaker cable from the system board. 4. Press down the clasp, lift and remove the speaker. Installing the Speaker 1. Replace the speaker and fix the clasp. 2. Connec...
Page 38 - Removing the System Board
Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:a. computer coverb. optical drivec. memory shroudd. heat sinke. PCI cardf. PCIe card retentiong. memory module (s)h. processor 3. Disconnect all the cables from the system board connectors. 4. R...
Page 39 - Installing the System Board
5. Lift the system board in an upward direction. 6. Remove the system board from the computer. Installing the System Board 1. Align the system board to the port connectors on the back of the chassis and place the system board in the chassis. 2. Tighten the screws that secure the system board to the ...
Page 41 - Additional Information; Memory Module Guidelines
3 Additional Information This section provides information for the additional features that are part of your computer. Memory Module Guidelines To ensure optimal performance of your computer, observe the following general guidelines when configuring your system memory: • Memory modules of different ...
Page 43 - System Setup; Boot Sequence; Navigation Keys
4 System Setup System Setup enables you to manage your computer hardware and specify BIOS ‐ level options. From the System Setup, you can: • Change the NVRAM settings after you add or remove hardware• View the system hardware configuration• Enable or disable integrated devices• Set performance and p...
Page 44 - System Setup Options
Table 1. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. <Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop ‐ down list, if applicable. <Ta...
Page 52 - Updating the BIOS
Option Description • Trusted Execution - This option is disabled by default. Table 11. Maintenance Option Description Service Tag Displays the service tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default. SERR M...
Page 53 - System and Setup Password; Assigning a System Password and Setup Password
6. Select your computer model and the Product Support page of your computer appears. 7. Click Get drivers and click View All Drivers . The Drivers and Downloads page opens. 8. On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS . 9. Identify the latest BIOS fi...
Page 56 - Diagnostics
5 Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the pro...
Page 57 - Troubleshooting Your Computer; Diagnostic LEDs
6 Troubleshooting Your Computer You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the operation of the computer. Diagnostic LEDs NOTE: The diagnostic LEDs only serve as an indicator of the progress through the Power-On Self Test (POST) ...
Page 59 - Error Messages; Errors That Halt Your Computer Completely
at a time) until you have identified all modules without error. If available, install working memory of the same type into your computer. 3,4 Power connector not installed properly. Re-seat the 2x2 power connector from the power supply unit. 3,5 Memory modules are detected, but a memory configuratio...
Page 60 - Errors That Do Not Halt Your Computer; Errors That Soft Halt Your Computer
Table 16. Errors that halt your computer completely Error Message Error! Non-ECC DIMMs are not supported on this system. Alert! Processor cache size is mismatched.Install like processor or one processor. Alert! Processor type mismatch.Install like processor or one processor. Alert! Processor speed m...
Page 62 - Technical Specifications
7 Technical Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view ...
Page 68 - Contacting Dell
8 Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, ...