Blinking cursor boot - No windows 7 install disc!

I recently had a full functional windows 7 installed on my main hard drive. I wanted to install Kali Linux on it as well, so I put the iso file on an 8gb usb stick and booted it up. While installing Kali, the install itself failed, so i tried the grub install and the option below that. Both failed. I was left with no other option and i chose to abandon the install. After doing so, I restarted my computer up and all I currently see is the blinking cursor on a black screen. I've been through the BiOS screen and reset to default and switched around the priority on which it loads... Nothing works. I have a disc set for Mac OS X, but the computer isn't responding to that either.

System Info from reboot:
Noteboook Model: HP Pavilion dm4 Notebook PC
Product Number : A6X71UA#ABA
Serial Number : 2CE2040NDJ
Warranty start: 2/19/12
System Board ID: 1793
Product Config ID: 068E100002204710000622100
System Board CT Number: PCNTA1C2F2D1PV
BIOS Version: F.0C
Processor Type: Intel (R) Core(TM) i5-2430M CPU @ 2.4GHz
Processor Speed: 2400 MHz
Total Memory: 8GB - last time i checked that was the GB from my flash drive, not my 500-600gb HD
Primary Battery SN: 24405
Bluetooth FCC ID: QDS-BRCM1

Besides BIOS screen, this is the only one i'm able to launch.
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  1. Best answer
    reset the bios back to factory and reboot.
    Failing that - f10 or f11 usually brings up the restore partition. I trust you have backups of important files already.
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