Check for physical bulging on any solid-electrolyte or liquid electrolytic capacitors around the processor socket. Even if they look normal visually, an ESR meter may reveal high internal resistance, creating high voltage ripple that crashes the system under load. Schematic Diagnostics: Essential Tooling Checklist

LGA 775 (Socket T), supporting Intel Core 2 Quad, Core 2 Duo, Pentium, and Celeron processors. Two slots supporting up to (HP spec) or potentially (chipset spec) of DDR3 1066/1333 MHz RAM. Form Factor: MicroATX (uATX). Technical Resources

: Integrated Intel GMA x4500 graphics via the VGA port. Note that integrated video typically disables automatically if a discrete card is installed in the PCIe slot. Layout & Connectivity