If you forgot BIOS password or the PC won't boot:
The LGA1151 socket on the MS-7860 Ver 1.2 (electrically incompatible). However, with a BIOS update (version 2.15 or later), you can upgrade from 6th Gen (Skylake) to 7th Gen (Kaby Lake). Hp Ms-7860 Ver 1.2 Motherboard Manual
LGA 1150 (supports Intel 4th Gen Core i3/i5/i7 and Pentium). RAM: 2 DIMM slots, DDR3 1333/1600 MHz (Max 16GB). Expansion: 1x PCIe x16. 3x PCIe x1. Storage: 4x SATA ports. If you forgot BIOS password or the PC
Go to → enter your PC's Serial Number (on case sticker) – not the motherboard model. If you can't find the serial, use these generic drivers (MS-7860 shares with HP 2B2C / 2B2D boards): Hp Ms-7860 Ver 1.2 Motherboard Manual