What to do if no memory/RAM detected on Dell OptiPlex 3090 Desktop?
If your Dell Desktop isn't detecting memory or RAM, first confirm that the memory module is installed properly. If the problem persists, you may need to replace the memory module.
How to fix memory/RAM failure on Dell OptiPlex 3090?
If you are experiencing a memory or RAM failure on your Dell Desktop, try resetting the memory module. If the problem continues, consider replacing the memory module.
What to do if system board failure on Dell OptiPlex 3090?
If your Dell Desktop is experiencing a system board failure, including BIOS corruption or ROM error, flash the latest BIOS version. If the problem persists, replace the system board.
What to do if invalid memory installed on Dell OptiPlex 3090 Desktop?
If your Dell Desktop indicates that invalid memory is installed, try resetting the memory module. If the issue continues, you might need to replace the memory module.
How to troubleshoot CPU failure on Dell OptiPlex 3090?
If your Dell Desktop is showing a CPU failure, run the Dell Support Assist or Dell Diagnostics tool. If the problem persists, you might need to replace the system board.
How to fix CMOS battery failure in Dell OptiPlex 3090 Desktop?
If you're facing a CMOS battery failure on your Dell Desktop, start by resetting the CMOS battery connection. If the problem continues, replace the RTS battery.
How to restore BIOS if recovery image not found on Dell OptiPlex 3090 Desktop?
If the BIOS recovery image is not found on your Dell Desktop, flash the latest BIOS version. If the problem persists, replace the system board.
What to do if BIOS recovery image invalid on Dell OptiPlex 3090 Desktop?
If the BIOS recovery image is found but invalid on your Dell Desktop, flash the latest BIOS version. If the issue continues, replace the system board.
How to check CPU power cable connection on Dell OptiPlex 3090 Desktop?
If you suspect a CPU power cable connection issue with your Dell Desktop, run the PSU BIST. If the BIST passes but the problem persists, run the Dell Support Assist or Dell Diagnostics tool.
What is Intel ME error on Dell Desktop?
If your Dell Desktop shows an Intel ME (Management Engine) Error, it indicates a timeout waiting on ME to reply to HECI message. If the problem persists, replace the system board.
Guidelines to protect your computer from potential damage and ensure personal safety.
Steps and precautions to take before starting internal computer maintenance.
Procedures for removing and installing the computer's side access panel.
Procedures for removing and installing the CPU cooling fan and heat sink.
Detailed instructions for removing and installing the central processing unit (CPU).
Steps for removing and installing the graphics card (GPU) in a PCIe slot.
Detailed procedures for removing and installing the main system board.
Steps on how to access the BIOS setup utility from the computer.
Overview of various configuration options available in the BIOS setup.
Instructions for updating the system's BIOS firmware.
Options for setting, changing, and deleting BIOS system and setup passwords.
Interpretation of diagnostic LED blinking patterns and their corresponding problems.
Procedures for using Dell SupportAssist OS Recovery to fix system issues.
Information on how to contact Dell for sales, technical support, or service.
General| Processor cache | 8 MB |
|---|---|
| Processor cores | 4 |
| Processor model | i5-1145G7 |
| Processor family | Intel® Core™ i5 |
| Configurable TDP-up | 28 W |
| Processor frequency | - GHz |
| Configurable TDP-down | 12 W |
| Processor manufacturer | Intel |
| Processor boost frequency | 4.4 GHz |
| Configurable TDP-up frequency | 2.6 GHz |
| Number of processors installed | 1 |
| Configurable TDP-down frequency | 1.1 GHz |
| Non-ECC | Yes |
| Memory slots | 2x SO-DIMM |
| Internal memory | 16 GB |
| Memory channels | Dual-channel |
| Memory clock speed | 3200 MHz |
| Internal memory type | DDR4-SDRAM |
| Maximum internal memory | 64 GB |
| Microphone in | No |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 0 |
| Power supply | 65 W |
| Power supply input voltage | 100 - 240 V |
| Power supply input frequency | 50 - 60 Hz |
| Operating shock | 110 G |
| Operating altitude | -15.2 - 3048 m |
| Non-operating shock | 160 G |
| Operating vibration | 0.66 G |
| Non-operating altitude | -15.2 - 10668 m |
| Non-operating vibration | 1.3 G |
| Storage temperature (T-T) | -40 - 65 °C |
| Operating temperature (T-T) | 0 - 35 °C |
| Storage relative humidity (H-H) | 0 - 95 % |
| Operating relative humidity (H-H) | 10 - 90 % |
| Antenna type | 2x2 |
| LAN controller | Realtek RTL8111HS |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Bluetooth version | 5.0 |
| Cabling technology | 10/100/1000Base-T(X) |
| WLAN controller model | Qualcomm QCA61x4A |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| WLAN controller manufacturer | Qualcomm |
| SSD capacity | 256 GB |
| SSD interface | NVMe, PCI Express |
| Storage media | SSD |
| SSD form factor | M.2 |
| Operating system architecture | 64-bit |
| Chassis type | UFF |
| Product color | Black |
| Cable lock slot type | Kensington |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel Iris Xe Graphics |
| Audio chip | Realtek ALC3204-CG |
| Audio system | High Definition Audio |
| Product type | Mini PC |
Weight and Dimensions| Depth | 19.7 mm |
|---|---|
| Width | 96.1 mm |
| Height | 256.2 mm |
| Weight | 650 g |
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