When you boot, you get a menu with "safe mode" as one of the options. Next time you boot, watch the screen closely and wait for that menu. Then using the arrows on your keyboard, scroll down to "repair computer". Further instructions in the link below.
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When you boot, you get a menu with "safe mode" as one of the options. Next time you boot, watch the screen closely and wait for that menu. Then using the arrows on your keyboard, scroll down to "repair computer". Further instructions in the link below.
Windows 7 Repair and Troubleshooting