I am getting error 4SNS/1/40000000: TG0H-128.000 ? what does this mean.

HI there,
              I ran apple hardware test through snow leopard OS disk 2,  i got this error 4SNS/1/40000000: TG0H-128.000 , My fans are continously running at 5700 rpm even i am doing nothing. I have booked an appointment with genius bar on monday 6 may. are they expensive to repair or should i find a local apple technician ? is there any other method to fix it.

Your computer has to start from the Windows disc but it's not doing this. After creating the volume, make sure that the Windows disc is inserted, and turn on your Mac holding the Option (Alt) key, so you will see all bootable partitions. Choose the "Windows" option with a DVD, so the Windows installer will start and you must follow its steps.
If you need help installing Windows, follow the steps of this how-to > http://manuals.info.apple.com/en_US/boot_camp_install-setup_10.8.pdf

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