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Posts Tagged ‘Boot’

Clover on EFI Partition

Once I had the Mountain Lion up and running on my HP Envy 15t-J001 machine, the next step was to setup a boot loader, so that I can boot it without the USB every time.

I was using Clover, and it has pretty good support for the EFI Motherboards. However, my only concern was I didn’t wanted to loose the HP Recovery partition by accident or incorrect configuration. Plus I wanted to keep the current boot loader, but still somehow boot to OS-X without using USB…

A few days ago, when I was working on my MacBook Pro (late 2012 model), all of the sudden Windows 7 crashed, and the display got jumbled. It appeared that something went wrong with the video adapter. So, after waiting for 4-5 minutes (and no response), I forced shutdown the machine by pressing the shutdown button for 8-10 seconds.

After few seconds, I pressed the Power button again. The usual boot gray screen appeared, with boot chime sound, and then screen turned to black. It appeared that processor was working (from the fan speed noise), but there was no display. Note that my MacBook Pro, by default boots to Windows 7. I tried this 2-3 times with same results. In panic, I finally tried to launch the OS-X, it stared the boot process, but then got stuck again near the end, and kept showing the gray screen…

In my previous article, Installing Jelly Bean on Nexus One, I discussed how I was able to install Jelly Bean on my NexusOne using couple of tools and helper applications. However, after a couple of days of exploring it, I decided to try to downgrade it back to Gingerbread (mainly because of the Camera issues). […]