There are two reasons will affect the resolution support. One is chipset driver and the other is monitor. First you have to make sure monitor is no problem to support this mode. Then check nVidia driver. Here are the links to nVidia webpage to obtain the supporting drivers.

For example,

- Windows XP 32bit
http://www.nvidia.com/object/nforce_winxp_15.24.html

- Windows Vista 32bit
http://www.nvidia.com/object/nforce_vista_15.24.html

The GeForec7050M-M PCB V1.0A can't support AMD Phenom CPU. Due to the PCB V1.0A only can support Socket AM2 for AMD Athlon 64 X2 Dual Core/ Athlon 64/ Sempron processor. And all CPUs supported by V1.0A were all listed in the following website,it's for your information.
Please refer to Product page - CPU tag

The motherboard comes with 12 USB 2.0 ports (4 USB ports and 4 USB 2.0 headers support additional 8 USB ports). If your USB devices work at USB1.1 speed, at first please access “Integrated Peripherals” of CMOS setup menu to enable “Legacy USB Support” and “USB Controller” item, then set the USBPWR_R and USBPWR_F jumper to 2~3 pin. It will let the USB devices work at USB2.0 speed.

The motherboard has one PCI-Express x16 slot, is fully compliant to the PCI-Express Base Specification V1.1. So it doesn’t support PCI-Express V2.X graphics card. The below table is the PCI-Express graphical card that ECS had tested and qualified, we strong suggest user to use them when you would like to install additional graphics card.

Yes. This model can support AMD Athlon64 X2 5200+ CPU. Please click here for the CPU support list.