Can't install el capitan on my Early 2008 MBP
I'm experiencing a strangle occurrence and google has been little to no help to me, I have 2 gen 1 MBP's that both are supposed to be capable of running 10.11 but fail during the installation. I've followed the same steps on each machine and get the same result. I start with formatting the HDD, installing Yosemite via a USB stick followed by success, make it to the app store to download el capitan and that goes fine, but it falls apart during the installation. The app launches fine and restarts the computer as it should but then this happens: It installs very slow and each time it hits around the 5 minute mark it gives me a general error and a crash log. I've tried re-installing the OS via recovery multiple times and I've confirmed both machines to have the most recent firmware. Both machines do NOT have batteries installed but I fail to see how not having a battery installed would inhibit an OS installation, certiantley didnt with Yosemite! Anyways I've spent too many hours working on this (i'm posting this at 3 in the morning!) and I'm hoping someone here can tell me what I'm doing wrong, this is the closest I've come to owning a modern apple computer and I really want this to work out, any advice would be appreciated.
MacBook Pro, OS X 10.10