UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    --------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


       Date of report (Date of earliest event reported): January 24, 2006
                                                         ----------------


                                 CDW Corporation
                                 ---------------
             (Exact Name of Registrant as Specified in Its Charter)



          Illinois                        0-21796               36-3310735
          --------                        -------               ----------
(State or Other Jurisdiction            (Commission            (IRS Employer
      of Incorporation)                 File Number)         Identification No.)

         200 N. Milwaukee Ave.
        Vernon Hills, Illinois                                     60061
        ----------------------                                     -----
    (Address of Principal Executive                              (Zip Code)
               Offices)



       Registrant's telephone number, including area code: (847) 465-6000
                                                           --------------



Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities
    Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange
    Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act (17 CFR 240.13e-4(c))





Item 2.02   Results of Operations and Financial Condition.

The following information is furnished pursuant to Item 2.02.

On January 24, 2006, CDW Corporation (the "Registrant") issued a press release
announcing its fourth quarter and full year 2005 earnings. A copy of the press
release is included as Exhibit 99 to this Current Report on Form 8-K.


Item 9.01   Financial Statements and Exhibits.

Exhibit 99, Press Release dated January 24, 2006, announcing fourth quarter and
full year 2005 earnings.





                                    SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                           CDW CORPORATION


         Date: January 24, 2006            By:   /s/ Barbara A. Klein
                                                 -------------------------
                                                 Barbara A. Klein
                                                 Senior Vice President and
                                                 Chief Financial Officer





                                  EXHIBIT INDEX

Exhibit Number      Exhibit
- --------------      -------
99                  Press release dated January 24, 2006, announcing fourth
                    quarter and full year 2005 earnings.