Fan detection failure. The HP 887A expects a specific PWM fan curve from an HP OEM CPU cooler. Fix: Either reinstall the original HP CPU fan or buy a used HP fan (part number L35383-001). Some users have success by grounding the tachometer pin, but this is not recommended.
(two 16 GB sticks) at speeds up to 3200 MHz, though some system versions may downclock based on the installed CPU. : Features an M.2 NVMe slot for SSDs. Users on hp 887a motherboard
The most critical detail for upgraders is the CPU socket. The LGA 1155 socket supports two generations of Intel processors: Fan detection failure