うちの環境だと、仮想フルスクリーンの時だけ0fps表示になりますね
実際のfpsは正常に1/1 1/2 1/4になります
※ウインドウ/仮想フル/フルを切り替えた後にシステムコンフィグの画面を開き直さないと表示は変わりません

-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS Windows 7 Ultimate 64 ビット (6.1, ビルド 7601) Service Pack 1 (7601.win7sp1_gdr.141211-1742)
SYSTEM_CPU Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (8 CPUs), ~3.4GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 8 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 05/09/13 20:28:14 Ver: 20.03
SYSTEM_LANGUAGE 日本語 (地域設定: 日本語)
SYSTEM_MEMORY 16258.957MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_PAGE_FILE 40750.141MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 238.377GB SYSTEM_FREEDISC_SPACE 57.267GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 931.511GB SYSTEM_FREEDISC_SPACE 41.789GB
SYSTEM_STORAGE F:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 931.511GB SYSTEM_FREEDISC_SPACE 79.002GB
SYSTEM_STORAGE X:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.007GB SYSTEM_FREEDISC_SPACE 207.549GB
SYSTEM_STORAGE Y:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.007GB SYSTEM_FREEDISC_SPACE 207.549GB
SYSTEM_STORAGE Z:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.007GB SYSTEM_FREEDISC_SPACE 318.167GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS AMD Radeon R9 200 Series
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP AMD Radeon Graphics Processor (0x67B0)
SYSTEM_GRAPHICS_MAKER Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM 3072.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 1023.938 MB
SYSTEM_GRAPHICS_DAC Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 8.17.0010.1333
SYSTEM_GRAPHICS_DRIVER_DATE 2014/11/21 11:44:20
SYSTEM_GRAPHICS_DRIVER_LANGUAGE 英語
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_GRAPHICS Intel(R) HD Graphics 4000
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY7
SYSTEM_GRAPHICS_CHIP Intel(R) HD Graphics Family
SYSTEM_GRAPHICS_MAKER Intel Corporation
SYSTEM_GRAPHICS_VRAM 64.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 1632.000 MB
SYSTEM_GRAPHICS_DAC Internal
SYSTEM_GRAPHICS_DISPLAY_MODE 1200 x 1920 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
SYSTEM_GRAPHICS_DRIVER_VERSION 10.18.0010.3496
SYSTEM_GRAPHICS_DRIVER_DATE 2014/03/07 9:21:58
SYSTEM_GRAPHICS_DRIVER_LANGUAGE 英語
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND スピーカー (ASUS Xonar D2X Audio Device)
SYSTEM_SOUND_DEVICE_ID {FEAFB2CE-B3AD-4A86-9DEE-6E5A6856C89D}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2011/03/10 15:44:16
SYSTEM_SOUND S/PDIF Pass-through Device (ASUS Xonar D2X Audio Device)
SYSTEM_SOUND_DEVICE_ID {079267FF-18EB-4150-BBD2-C7B1583CC0AF}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2011/03/10 15:44:16
SYSTEM_SOUND スピーカー (ASUS Xonar D2X Converter)
SYSTEM_SOUND_DEVICE_ID {3DA10699-DC76-4BD2-A560-FDA3D19BB9D2}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2011/03/10 15:44:16
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME マウス
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME キーボード
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 109 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EF533880-280D-11E1-8001444553540000}
SYSTEM_INPUT_NAME Comfort Curve Keyboard 2000
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1280 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {B6F48140-0048-11E4-8001444553540000}
SYSTEM_INPUT_NAME G400s Optical Gaming Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0