Dual boot to windows 7

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http://askubuntu.com – i just installed ubuntu 12.10 alongside windows 7 but now my computer automatically boots to ubuntu. i want windows 7 as my default operating system. when i start up my laptop it shows me no settings or any screen asking me what operating system to use. the ONLY way for me to boot into windows 7 not is to hit f12 at startup to bring up which to boot from, select my hard drive then bring up the grub loader in ubuntu, then select windows 7 loader. when i go into msconfig in windows 7 ONLY windows 7 is listed under the operating systems... i see no ubuntu at all. please help this is really annoyi (HowTos)