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 25, 2005
                                                         ----------------


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



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

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



       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 25, 2005, CDW Corporation (the "Registrant") issued a press release
announcing its fourth quarter 2004 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 25, 2005, announcing fourth quarter 2004
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 25, 2005              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 25, 2005, announcing
          fourth quarter 2004 earnings.