The MS-7826 (Kaili) is a microATX motherboard manufactured by MSI specifically for HP desktop systems, most notably the HP Envy 700 and Phoenix 810 series. Based on the Intel Z87 chipset, it is a robust 4th-generation "Haswell" platform designed for high-performance consumer computing. 1. Technical Specifications
| Symptom | Likely Fix from Manual | |---------|------------------------| | No POST, fan spins | Clear CMOS (JBAT1 short for 10s). | | Continuous long beeps | Unseated or faulty RAM – clean slots, test one stick at a time. | | USB ports dead after storm | Check F_USB1 fuse (near header) – manual shows location. | | Power button does nothing | Verify front panel header pinout (Power SW pins are often pins 6 & 8 on JFP1). | | BIOS corrupted | HP recovery method: Win+B or Win+V at power-on with BIOS USB drive. | ms-7826 motherboard manual
CPU Support: 4th and 5th Generation Intel Core i3, i5, and i7 processors. Memory (RAM): Slots: 4 DDR3 DIMM slots. The MS-7826 (Kaili) is a microATX motherboard manufactured
msi.com/support -> Search "MS-7826" (ensure you ignore recent gaming boards; this is the legacy LGA1155 version).Power: Typically uses a standard ATX 24-pin power connector and a 4-pin or 8-pin CPU power connector. MS-7826 Kaili user manual - HP Support Community - 6576828 MS-7826 Kaili user manual - HP Support Community - 6576828. HP Support Community URL pattern: msi