EXHIBIT 23.1 Independent Auditors' Consent The Board of Directors Manchester Technologies, Inc.: We consent to the incorporation by reference in the registration statement (No. 333-71255) on Form S-8 of Manchester Technologies, Inc. of our report dated September 25, 2002, relating to the consolidated balance sheets of Manchester Technologies, Inc. and subsidiaries as of July 31, 2002 and 2001, and the related consolidated statements of income, shareholders' equity and cash flows for each of the years in the three-year period ended July 31, 2002, which report appears in the July 31, 2002 annual report on Form 10-K of Manchester Technologies, Inc. /S/ KPMG LLP Melville, New York October 25, 2002