Tech support fill-in given no budget, no help, no training, and no empathy for his plight

Fixed the problem anyway – with no approval for a purchase and no permission to use a device
On Call When the weekend rolls around, nobody needs permission to do whatever they desire. Unless, of course, they're required to be available to support tech – a restriction we mark each week in On Call, the column that celebrates fine fixing feats achieved despite the footling of flummoxed fools.…