Here is the driver list painstakingly hand-copied from a windows dialog box:
Acer Aspire 5520 5912, AMD Turion 64x2 TL-58, 2 GB RAM, NVIDIA GeForce 700M / nForce 610M, DVD-RW, Ethernet NVIDIA nForce Networking Controller, Wireless Atheros AR5007EG ********************************************************** Batteries: Microsoft AC Adapter Microsoft ACPI-Compliant Control Method Battery Computer: ACPI x86-based PCv Disk Drives: TOSHIBA MK11637GSX ATA Device Display adapters: NVIDIA GeForce 700M / nForce 610M DVD/CD-ROM drives: Optiarc DVD RW AD-7560A ATA Device Human Interface Devices: ENE CIR Receiver HID-compliant consumer control device HID-compliant device [3x] Microsoft eHome Infrared Transceiver; USB Human Interface Device IDE ATA/ATAPI controllers: IDE Channel [4x] Ricoh Memory Stick Controller Ricoh xD-Picture Card Controller Standard Dual Channel PCI IDE Controller [2x] IEEE 1394 Bus host controllers: RICOH OHCI Compliant IEEE 1394 Host Controller Imaging Devices: Acer Crystal Eye Webcam Keyboards: Microsoft eHome MCIR 109 Keyboard Microsoft eHome MCIR Keyboard Microsoft eHome Remote Control Keyboard keys Standard 101/102-key or Microsoft Natural PS/2 Keyboard Mice and other pointing devices: Alps Pointing-device HID-compliant mouse [2x] Modems: HDAUDIO Soft Data Fax Modem with SmartCP Monitors: Generic PnP Monitor Network adapters: Atheros AR5007EG Wireless Network Adapter isatap.{13CDFF80-1123-4C42-BFDA-CF21C68B1754} isatap.knowlogy.net isatap.shacknet.nu NVIDIA nForce Networking Controller Teredo Tunneling Pseudo-Interface WAN Miniport (IP) WAN Miniport (IPv6) WAN Miniport (L2TP) WAN Miniport (PPPEO) WAN Miniport (PPTP) Non-Plug and Play Drivers: Ancillary Function Driver for Winsock Beep Common Log (CLFS) Crcdisk Filter Driver Dritek General Port I/O Dynamic Volume Manager HTTP int15 IP Network Address Translator ISA/EISA Class Driver Kernel Mode Driver Frameworks Service KSecDD LDDM Graphics Subsystem Link-layer Topology Discovery Mapper I/O Driver Link-layer Topology Discovery Responder Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session) Mount Point Manager NativeWiFi Filter NDIS System Driver NDIS Usermode I/O Protocol NDProxy NETBT NetIO Legacy TDI Support Driver NSI proxy service Null QoS Packet Scheduler RDP Encoder Mirror Driver RDPCDD ReadyBoost Caching Driver Remote Access Auto Connection Driver Remote Access IPv6 ARP Driver Security Driver Security Processor Loader Drivr Storage Volumes TCP/IP Protocol Driver TCP/IP Registry Compatibility VgaSave Windows Firewall Authorization Driver XAudio Processors: AMD Turion(tm) 64 X2 Mobile Technology TL-58 [2x] SD host adapters: SDA Standard Compliant SD Host Controller Sound, video, and game controllers: Realtek High Definition Audio Storage Controllers: Microsoft iSCSI Initiator Storage volume shadow copies: Generic volume shadow copy [3x] Storage Volumes: Generic volume [3x] System Devices: ACPI Fixed Feature Button ACPI Lid ACPI Power Button ACPI Sleep Button ACPI Thermal Zone AMD Address Map Configuration AMD DRAM and HyperTransport(tm) Trace Mode Configuration AMD HyperTransport(tm) Configuration AMD Miscellaneous Configuration Consumer IR Devices Direct memory access controller High Definition Audio Controller High precision event timer Microsoft ACPI-Compliant Embedded Controller Microsoft ACPI-Compliant System Microsoft Composite Battery Microsoft System Management BIOS Driver Microsoft Windows Management Interface for ACPI [3x] Motherboard resources [2x] NVDIA nForce PCI System Management NVDIA nForce System Management Controller PCI bus PCI standard ISA bridge PCI standard PCI-to-PCI bridge [2x] PCI standard RAM Controller [2x] Plug and Play Software Device Enumerator Programmable interrupt controller System board System timer Terminal Server Keyboard Driver Terminal Server Mouse Driver UMBus Enumerator Volume Manager Universal Serial Bus controllers: Standard Enhanced PCI to USB Host Controller [2x] Standard OpenHCD USB Host Controller [2x] USB Root Hub [4x] ************************************************************ what worked for me was changing the monitor to a "acer 55s (widescreen)" using the system/administration/screens and graphics then running nvidia-settings from the command line.