I am a technician at Mac 1, and would like to address these false allegations so that members of this forum do not form an unjustly ill opinion of our services.

The laptop in question was brought in because the system was both refusing to start up, and on occasion would start up but cut out after a few minutes of usage. I disassembled the unit and checked that the hard drive, optical drive and other detachable components were not causing these problems. Once I had established that they were not, I checked for the other two major causes of such problems - the 'topcase' of the machine and the installed RAM. The machine continued to refuse to start up. At this point, I concluded that the logic board was faulty and contacted you, at which point you took the unit back.

You called to say that you had successfully started up the machine with your original factory installed RAM from Apple. A different engineer, as a follow-up test, had removed a temperature sensor from the logic board to double-check the topcase and by coincidence this has allowed your logic board to function — but only with one RAM chip. The unit will also not run without the battery plugged in (though the battery will be charged when plugged in), indicating another logic board fault. As for the missing screw, it is very common for one of the case screws to become loose and fall out of the case. However, I returned the screws to you in a separate anti-static bag and gave you this missing screw from our supply of screws.

Although there is a problem with your RAM, it is not the main source of your problems as the logic board has multiple faults. I am disappointed that you felt the need to publicly defame our company.