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szymunk

macrumors newbie
Original poster
Hey

a couple of days ago my mac started acting up (took very long to boot up, would crash and freeze from time to time) so I decided to reinstall everything completely. I made a bootable external drive (pendrive with El Capitan) and began the process. I powered up my mac with option key pushed, chose my pendrive as a start up disc and everything went fine up until the point when my mac rebooted after successfully installing the OS and a pop up window showed up that it wasn't able to properly start with newly installed OSX and I should do it again (i'm sorry I didn't exactly understand...), so I clicked a restart button and then my mac just restarted...
I did everything in the very same order only this time I decided to clean everything in Disc Utility because I thought that maybe there are some old files that prevent the new software to install properly. Just now I'm beginning to realize how stupid I was ERASING every disc... I must have deleted some important partition and here's where real trouble started...
When I start up my mac the screen lights up, then the chime comes and... that's it... there should be Apple Logo and a loading bar but they never show up. The most terryfing part is that none of the recovery commands such as CMD+R or CMD+option+R work... Neither does option key at start up... I tried resetting NVRAM and I even contacted Apple Support but unsuprisingly they weren't able to suggest me anything.

Guys, do you have any idea what I could do? This mac is super old, fixing it at a local repair point would cost more than it's entire worth.
 
Could your MBP have a faulty data drive cable?

Try installing to and booting from an external hard drive.
 
OP:

Here's another option for making a bootable USB flashdrive.
Download "Diskmaker X", available here:
http://diskmakerx.com/whats-this/

Since you're using El Cap, I -think- the exact version you want it this one:
Download DiskMaker X 6 Release Candidate 5 (6,1 MB)

Then use Diskmaker to create the flashdrive.
No terminal commands to wrastle with, takes only a few clicks.

When you boot from the installer, I suggest you do this:
1. DON'T run the installer right off, instead...
2. Open Disk Utility and ERASE the ENTIRE internal drive to Mac OS extended with journaling enabled.
3. Quit DU and re-open the installer.
4. Let the installer do its thing (might take a reboot or two).

Any better this way?
 
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