Canada was shocked to its honest-to-goodness core this week by the news that the country's PC repairmen are undermining its sweet as maple syrup image.

Canadian TV show CBC Marketplace did a hidden camera investigation into computer repair firms to see how many technicians could correctly fix a hardware problem.

Of the 10 filmed, only three were able to diagnose the fault: a blown memory module which would cost just $25 to replace.

CBC 's targets included Geek Squad and Nerds On Site. The film highlighted a stark inconsistency among the repairs carried out.

One bloke suggested that the computer would need to be sent to a dust-free room at a staggering $2,000 cost.

Others advised that the computer's motherboard should be replaced. ®

Here's the film in all its baffling glory: