What to do if System BIOS Flash incomplete on Dell OptiPlex 7490 All-In-One Desktop?
If the System BIOS Flash is incomplete on your Dell Desktop, and BIOS detects flash corruption, replace the system board.
How to fix Power-rail failure on Dell OptiPlex 7490 All-In-One Desktop?
If your Dell Desktop experiences a power-rail failure, and the EC ran into a power sequencing failure, replace the system board.
What to do if my Dell OptiPlex 7490 All-In-One Desktop has a PCI failure?
If your Dell Desktop experiences a PCI, video card/chip failure, replace the system board.
How to fix LCD power rail failure on Dell Desktop?
If your Dell Desktop experiences a LCD power rail failure, replace the system board.
What to do if my Dell Desktop has a Memory DIMM power rail failure?
If your Dell Desktop experiences a Memory DIMM power rail failure, replace the system board.
How to fix TPM Detection Failure on Dell OptiPlex 7490 All-In-One Desktop?
To resolve a MBIST TPM Detection Failure on your Dell Desktop, replace the system board.
General| Display Size | 23.8 inches |
|---|---|
| Display | FHD (1920 x 1080) Anti-glare |
| RAM | Up to 64GB DDR4 |
| Graphics | Integrated Intel UHD Graphics |
| Operating System | Windows 10 Pro |
| Ports | USB 3.2 Gen 1 Type-A, USB-C 3.2 Gen 2, HDMI, Ethernet, Audio out |
| Wireless | Wi-Fi 6 (802.11ax) and Bluetooth 5.1 |
| Audio | Stereo speakers |
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