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I have installed Ubuntu at my office premises and I am facing issues Many computers do not proceed to Desktop screen after ubuntu loads and display goes off after 4-5 minutes.

Also, I am not able to install Windows back as it does not allow Windows USB drive to boot

Please guide me how to fix this issue and also how I can completely remove partitions and install Windows back.

Tanuj
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1 Answers1

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Try to insert a Ubuntu or any Linux install disk, select recovery, and try to partition the disk as NTFS from there. Afterwards, the disk should be read by a windows installer as a viable install HDD. use the below for help using the gparted formatting utility.

Format USB drive to NTFS so it is usable under Windows

deathasphate
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    Bad suggestion - any OS installer can remove partitions and create the ones it needs - and the OP isn't there yet: it does not allow Windows USB drive to boot which means they can't or don't know how to prepare a Windows USB installer and/or change the boot order to boot from it. –  Nov 05 '18 at 19:01
  • I have had a lot of issues with Windows reading any partition that Linux has touched (especially Windows 10 and Server '12 R2) including removable media for a USB installer. but you make a good point that they are not there yet – deathasphate Nov 05 '18 at 19:37
  • I never had such problems but I disable the fast startup feature routinely. And I follow the good practices of avoiding writing to Windows partitions from another OS either way. But did it on a few occasions and nothing happened. Again, fast startup disabled is the key. If you need to share files between OSes it's better to have a separated NTFS formatted data partition. –  Nov 05 '18 at 19:45
  • I have tried to boot from Ubuntu USb disk and even with Windows bootable media it has same issue. I tried to boot with GParted it also got failed. I have same issue with 5 computers at least. – Tanuj Nov 07 '18 at 05:35