I wouldn't recommend doing it, usually the computers are the contractors and if you mess them up you could be held liable for whatever time is charged to the contractors for repairing. For example, I work at a third party and they charge the company around $44 an hour per person (wish I saw all that on my check!!!) and around $60 for head engineers. Plus any downtime if it is in manufacturing. Plus, since usually we have a party of 3 or 4 working at the same time (here, anyways as we have the client system and then someone in the background checking the server) thats $44 x 3 or 4 per hour PLUS any profits lost from the company handed to you on a silver platter. If it is due to your meddling, they may charge you for it since it was an employee of their customer that caused the problem, and not by normal wear and tear. So, you may get fired, be liable for charges, or both.
If you argue with an idiot he will drag you down to his level and beat you with experience.
I am not a fast writer.
I am not a slow writer.
I am a half-fast writer.