(non-UEFI), meaning modern graphics cards often will not boot. Recommended upgrades are limited to low-profile cards under 75W, such as the NVIDIA GeForce GT 710 or older ATI Radeon X1300 series. System Memory
If the integrated GMA 3000 is too limiting for your Windows 7 experience (like Aero transparency or basic video playback), these low-profile cards are popular community choices for the dc7700's 240W power supply: hp dc7700 graphics drivers windows 7