title: Converting default OS with Wake on Lan (specific case)
body: <p>My desktop has two OS, linux ubuntu and WINDOWS 7, on separate HDDs. 
  Bootloader is on linux. 
  This computer is accessed remotely with Wake on Lan (WOL).</p>
  
  <p>Wanting to freely choosing OS  when turning on the desktop, I tried following a Blog <a href="http://marshallhut.blogspot.kr/2008/06/dual-booting-with-wake-on-lan.html" rel="nofollow">here: </a></p>
  
  <p>It seems "setting default OS from LINUX to WINDOWS" worked fine through grub setting, (Default 0 => Default 4)</p>
  
  <p>But there's no way to access linux HDD (for control of bootloader) on WINDOWS. (I think this is due to HDD format.)
  So I can't find way to set default OS to Linux again.</p>
  
  <p>Can anyone help me  with this situation ?</p>