No coming back for this motherboard, dead PCIe bridge chip, dead MOSFET's for chipset and Memory and possibly a dead PCH as well : r/overclocking
Amazon.com: HP 689957-001 System board (motherboard) - Features Intel HM76 chipset with Platform Controller Hub (PCH - Panther Point-M) - For use in computer models equipped with UMA graphics memory and an
China Industrial Micro ATX Motherboard / Intel@ PCH H310 Chip 2 LAN 6 COM 10 USB 4 Slot 2 PCI Manufacturers, Suppliers - Yanyuetech.com
help ! laptop broken and no power, so pch chip (sr2c4) changed and turn on repaired but after 30 minutes shutdown - Intel Management Engine - Win-Raid Forum