Hola
Por tener la placa base chipset Intel HM65 con zocalo G2, es posible instalar hasta procesadores Core i de segunda generación.
http://partsurfer.hp.com/Search.aspx?SearchText=A7K61LA
Los compatibles están detallados en el manual:
http://h10032.www1.hp.com/ctg/Manual/c02968997
Intel Core i7-2620M processor (2.7 GHz, SC turbo up to 3.40 GHz, 4 MB L3 cache), Dual 35 W 631252-001
Intel Core i5-2540M processor (2.6 GHz, SC turbo up to 3.3 GHz, 3 MB L3 cache), Dual 35 W 631255-001
Intel Core i5-2520M processor (2.5 GHz, SC turbo up to 3.2 GHz, 3 MB L3 cache), Dual 35 W 631253-001
Intel Core i5-2430M processor (2.4 GHz, SC turbo up to 3.0 GHz, 3 MB L3 cache), Dual 35 W 653341-001
Intel Core i5-2410M processor (2.3 GHz, SC turbo up to 2.9 GHz, 3 MB L3 cache), Dual 35 W 638039-001
Intel Core i3-2350M processor ( 2.3 GHz, 3 MB L3 cache) Dual 35 W 653340-001
Intel Core i3-2330M processor ( 2.2 GHz, 3 MB L3 cache) Dual 35 W 653339-001
Intel Core i3-2310M processor (2.1 GHz, 3 MB L3 cache) Dual 35 W 638037-001
Intel Pentium B960 processor (2.2 GHz, 2 MB L3 cache) Dual 35 W 664662-001
Intel Pentium B950 processor ( 2.1 GHz, 2 MB L3 cache) Dual 35 W 653338-001
Salu2