EDIT 01-May-2015: Updated to reflect some progress being made by Bill with the v1.4 beta, and update the links. Still a work in progress though.
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HyperSpin has a few quirks that can trip up new users, so please check the list below before asking for help or posting a bug report. This is not a complete userguide or FAQ, just an overview of the common problems that crop up frequently on the forum, but let me know if I've missed anything obvious and I'll update this post.
1 - [FIXED IN 1.4] Plug in some speakers! HyperSpin will behave erratically if you don't have any speakers connected.
2 - [FIXED IN 1.4] HyperSpin can only be directly controlled with a keyboard or a keyboard encoder (such as an I-PAC or X-Arcade) so make sure the joystick, spinner and trackball controls in HyperHQ are disabled. If using a joypad, Xin-Mo joystick etc. you need to use a keymapper such as Xpadder or JoyToKey (Joy2Key) to convert your joystick & button inputs to keypresses, or use ghutch92's startup script:
http://www.hyperspin-fe.com/topic/2069-hyperspin-startup-script/
3 - Make sure all your systems and roms follow the standard HyperSpin naming conventions and you are using valid, up to date databases. If not, your systems won't show up in HyperLaunch and your games won't match up with the themes, videos and artwork. Check HyperList for details:
http://hyperlist.hyperspin-fe.com/
4 - If you use the Roms Only wheel filter in HyperHQ, make sure you have set the emulator path and extensions correctly or it won't show anything.
5 - [FIXED IN 1.4] Game preview videos don't work in HyperSpin with Intel HD graphics or ArcadeVGA cards unless you disable Flash hardware acceleration. Discussion and details on how to fix it in Windows 7 and 8 can be found somewhere in this long thread:
http://www.hyperspin-fe.com/topic/861-hyperspin-intel-hd4000-no-videos/
6 - [FIXED IN 1.4] Horizontal wheel scrolling doesn't work properly. If you hold your joystick in one direction, the wheel moves in the opposite direction.
7 - Leaving Hyperspin running idle for an extended period of time will cause it to freeze indefinitely until it is closed then relaunched. Seems to happen with both FLV and MP4 videos, and themes with particle effects.
If you still have a problem and can't find an existing thread about it, try to determine whether the fault lies in the emulator, HyperSpin or HyperLaunch and post in the appropriate forum section. Make sure HyperLaunch is kept up to date via GIT and read Ron's HyperNoobie guide before posting:
http://www.hyperspin-fe.com/topic/2591-the-hypernoobie-guide-for-posting-to-the-fourm/?hl=hypernoobie