where technicians share service guide screenshots for the Aspire TC-105 series. Are you looking to upgrade the CPU this motherboard into a new computer tower?

To enter the BIOS after installation, restart your computer and repeatedly tap the or F2 key when the Acer logo appears. If you need to update the firmware: Acer Aahd3vc Motherboard Manual - Facebook

Connect the 4-pin or 8-pin power cable near the top left corner of the CPU socket. 4. CPU Installation