Release the Power button, then press the Power button as usual to power on the computer and boot the Mac.While still holding the Power button, connect the MagSafe power cable to the MacBook Pro and continue to hold the Power button for another 10 seconds.Hold down the Power button for 10 seconds and continue to hold it down.In this case, you can force the MacBook Pro to boot by following these steps: Then, when attempting to boot the Mac or pressing the start button, nothing happens. We are assuming the MacBook Pro has no battery installed in the computer, meaning there physically is no battery installed. How to Boot MacBook Pro with No Battery Installed So let’s discuss how to boot an older MacBook Pro when there is no battery present at all. Of course if you happen to have a replacement battery then you can typically just replace the missing battery with a working battery and the MacBook Pro will boot, but that is not always an option. It turns out that some model year MacBook Pro computers will not boot with a simple power button press after the battery has been physically removed or disconnected. External, Bootable, USB 2.In this situation, if a battery is removed or totally dead and you attempt to start the MacBook Pro, nothing happens – there is no sound, no system boot, no startup chime, nothing.Can be used as an individual volume, RAID, or combined for one very large internal volume.Up to 1TB (1,000 GB) additional internal hard disk, or SSD storage.Your optical drive will retain its full functionality in this speedy, convenient external enclosure. More storage without having an external drive! A bus-powered USB 2.0 optical drive enclosure is included. The Data Doubler allows you to replace your seldom used CD/DVD/Superdrive with a standard SATA 2.5' notebook hard drive or SSD drive, while keeping your original drive in place. The new Data Doubler is designed for users who want more performance and storage options for their MacBook Pro. Replaces your internal DVD ROM drive, and comes with an external drive enclosure for your old DVD drive to be mounted into. This machine is also known as A11 MA092LL/A. Add a second Hard Drive or SSD Drive to your original 17-inch MacBook Pro, introduced in April 2006.

2006 macbook pro hard drive cable