The MacBook family was first introduced in May 2006 and replaced the iBook as Apple's consumer laptop.

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Flashing? at start up.

Flashing ? at start up, tried using installation disc, wont find a volume to loan disk to, ran hardware test and came up with error code 4SNS/1/40000000:TBOT

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Your hard drive has failed. You will need to get a 2.5" SATA hard drive to replace it. Here are some that will work for you:

Please give us the last three figures of your serial number so we know your exact machine and can direct you to the correct repair guide. This is a very easy replacement.

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Rhonda will be eternally grateful.
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