Malformed sda(main hard disk drive) by wrong use of "dd"

  • Thread starter Thread starter mark_aivaz
  • Start date Start date
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mark_aivaz

Hello everyone. Maybe i m posting on wrong distro category,but this is very urgent,and i have no idea who to ask.
Here is my problem.

I got an arch linux iso,and wanted to make a bootable usb using dd. So for "of" i put /dev/sda which is my main hard disk drive (instead of sdb,the flash drive). Now,after reboot i get the arch linux installation screen,and cant boot my existing OSs.I even tried boot already existing OS but no luck.
Any way that may lead to recovery?
Any solution?

Again,this is may not be the right place to ask,but I am a bit in chaos.

Thank you in advance

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