Hi all,

I've just bought a secondhand Mini Cooper S so I'm new around here but from what I can see its the place to go for BMW sat nav help. My problem concerns the factory fit sat nav, I had no spoken voice directions, only on-screen directions and tried every setting I could find and none made any difference. However, the radio did drop in volume slightly when a spoken direction should be there, so I suppose its trying.

I gather from reading other satnav posts that I have some sort of software glitch so tried to use the V28 disk image. The settings screen said I had software 3-1/50.

Well, I've tried burning the V28 satnav software disk, installed according to instructions and have managed to kill the sat nav completely. It got as far as "loading software" and then the screen went black and stayed that way. I've managed to eject the disk and left the car overnight but its still only a black screen. The screen does however appear to be on as its quite a "bright black", if you know what I mean, quite distinct from when the ignition is off.

My initial disk burning was on a Mac using "Disk Utility" which should burn standard ISO disks however I do have a copy of Toast in work so I'm going to try burning another disk on a different CD burner and see if that fixes it but any other suggestions are most welcome. I'll try a PC using Alcohol120 also. Is this route likely to work given that I had only a black screen etc?

I'm not sure if I need to disconnect the power to the satnav computer but just in case I might try that too, is it OK to just disconnect the car battery for a few minutes and reconnect or will that break more that its likely to fix?