I ,first time installed Ubuntu may be I messed up with installation and now I can't boot into my Windows 7 and nor Ubuntu, it only shows a command line interface without GUI .I then started installing windows 7 again then I found that my hard drive is not shown in Windows installation. in disk part my whole hard drive is treated as invalid I can't format my hard-disk except for cdrive any help is appreciated thanks in advance

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    From your LiveUSB, please run sudo dmidecode -s bios-release-date && sudo dmidecode -s baseboard-product-name && sudo dmidecode -s baseboard-manufacturer && sudo lshw | grep product | head -n1 && lshw | grep -v "loop" and paste the result into your question after clicking edit. Editing tips are at unix.stackexchange.com/editing-help#code . Please do not click on Add Comment as new comments can shove old comments off screen; your information about your PC and installation should all go in the Question so we can all see your findings. – K7AAY Jul 10 at 18:41
  • So sorry I don't have live usb – Sunil Kumar Jul 10 at 18:57
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    Use the DVD or USB that you used to install ubuntu with, but click on the 'Try Ubuntu' instead of the "Install" button. – crip659 Jul 10 at 19:04
  • I deleted that and my PC is not booting and in my bootable USB I have windows 7 – Sunil Kumar Jul 10 at 19:12
  • Check out this page and see if you can get Windows booting, then we can help with ubuntu. howtogeek.com/howto/32523/… – crip659 Jul 10 at 19:17

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