| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | No power, LED off | Dead proprietary PSU or motherboard short | Replace with HP OEM PSU | | 3 beeps, no display | Bad RAM or unsupported memory module | Use only 2Rx8 or 1Rx8 DDR3, no ECC | | 5 short beeps | CPU not supported or BIOS corruption | Clear CMOS (jumper near battery) | | SSDs slow | Running on SATA 2.0 (black port) | Move SSD to white SATA 3.0 port | | GPU not detected | PCIe slot in Gen 1 mode (BIOS) | Update BIOS to latest HP revision |
4 x SATA connectors (SATA 3.0 Gb/s and SATA 6.0 Gb/s mixed depending on specific port). Rear I/O Ports: (6) USB 2.0 ports. (1) DisplayPort and (1) VGA port for integrated graphics. (1) RJ-45 Gigabit Ethernet port. (2) PS/2 ports for mouse and keyboard. Audio In/Out and Microphone jacks. Important Compatibility Notes HP motherboard E93839 FXN1 With Intel I5-6500 - eBay hp fxn1 e93839 motherboard specs
is a proprietary motherboard primarily used in HP's business-class desktops, such as the and EliteDesk 800 G3 series. Because "E93839" is a regulatory mark rather than a unique model number, specifications vary significantly depending on the specific HP generation it belongs to. Common Variations & Key Specifications | Symptom | Likely Cause | Fix |