Start by getting free copies of your three major credit reports at the government-authorized site annualcreditreport.com.
1. Check your reports for accuracy. Financial columnist Liz Weston, author of "Your Credit Score," says to look for credit cards or other accounts that aren't yours, negative entries that are more than seven years old, duplicate past-due items and incorrect Social Security number or date of birth.
2. Dispute errors. Credit bureaus are required by law to investigate mistakes you bring to their attention and report back to you. Typically, they ask the creditor that reported the past-due information to check its records. If the creditor can't verify the info or doesn't respond, the item should be deleted.
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