Just go to http://benefits.dartmouth.edu. Once you have accessed the site, enter your User ID and the last four digits of your Social Security number, which is your initial personal identification number (PIN). Click "Log-On." You then will be at the "Security Profile" screen, where you will be asked to change your (PIN)*. Then click "Save" and you will see the "Welcome" screen. Once you are at the "Welcome" screen you will have a menu of options to choose from.
If you are a new employee, you may choose the "Enroll in Benefits" link to enroll in all benefits including your retirement elections. If you are only making decisions about your retirement contributions and/or investment company, you may choose the "Retirement Elections" link.
* You can change your PIN again any time you want by clicking on "Change Your PIN" on the "Welcome" page.