T500 - RAM upgrade resulting in many Beeps on boot - Thinkpads Forum
Lenovo ThinkPad T500 Troubleshooting - iFixit
Lenovo ThinkPad P15s Home & Business Laptop (Intel i7-1165G7 4-Core, 16GB RAM, 1TB PCIe SSD, 15.6" Full HD (1920x1080), NVIDIA Quadro T500, Win 10 Pro) with Microsoft 365 Personal , Hub -