EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS DATED MARCH 29, 2001 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-60025) and Form S-8 (No. 333-43925, No. 333-48172, and No. 333-94223) of CDW Computer Centers, Inc. of our reports dated January 19, 2001 relating to the financial statements and financial statement schedule, which appear in this Form 10-K. PricewaterhouseCoopers Chicago, Illinois March 29, 2001