I would still encourage you to give us your exact motherboard model number so that we can check and confirm the compatibility for you.
Intel Go Green, Save The Environment!
My notebook is Acer Aspire ANWXMi 5572ANWXMi of Aspire 5570 Series. CPU-z show the mainboard model is Aspire 5570.
Thanks for reading my post! The note book is Acer Aspire 5572ANWXMi of Aspire 5570 Series and under the Mainboard line (shown by Sisoftware Sandra) I could see Aspire 5570. Would you tell me what Core 2 Duo that I can use for the upgrade?