Hi, this is my first thread post (so forgive me if i'm not providing enough details) but i seem to have a problem with my pc. so for ages I've had it were i open my pc to "grub rescue", i'd always type in a couple of lines of commands and be able to boot windows that way, however i decided i would try fix this problem, i proceeded uninstall the partition that was dedicated to linux ubuntu, after rebooting i realised i forgot to repair windows mbr (which allows you to boot windows) and was essentially stuck with a bricked PC, recently i have reinstalled ubuntu to gain access to the list of operating systems however now every time i boot up windows 10 or ubuntu, my pc instantly resets as if it loses power, i used to have a problem where my pc would randomly reset in the same manor except i was able to use my pc for a duration before that happened. If anyone has any idea's on how to fix this a quick reply would be amazing.