Dashboard Illuminations/Power Loss

Started to get an interesting fault and wondered if any one else has experienced the same.

Whist driving along all of the dashboard warning lights come one (every single one) and all the guages - speedo, tacho, fuel and water drop to zero. The computer resets itself and then everything comes back on again as though nothing has happened, the only sign is the clock and tripmeter etc are all back to zero.

There is no loss of drive or other electrical systems as this has happened with the lights on and they have continued to work.

Any thoughts folks?

Cheers.