Hello Martha, welcome to the Intel communities and thanks a lot for posting your inquire.
The latest graphics driver available from the HD2500 is version 3621
If operating system is 32 bit based: Intel® Download Center
If operating system is 64 bit based: Intel® Download Center
Bear in mind that the drivers we provided are generic and some computer manufacturer does not allow the installation of this generic Intel video drives. However, you may try forcing the installation of Intel generic drivers by performing manual procedure, see here for instructions: Graphics Drivers — Computer manufacturer graphics driver detected
If you need additional help on this, please contact our technical support team Contact Support