Problem with Power Unit Replacement

I have a Dell Inspiron 1100. It broke down and after performing tests  (helped by Experts Exchange) I was able to identify the fault as the Power Unit. (I got the loan of an identifal power unit, inserted it, and it worked perfectly). Since then I purchased a power unit, but when I went to fit it I discovered problems. Basically the new power unit's main connection is for 24 pins, while the socket on my Motherboard allows for 20 pins. Is there any adapator which might be used. I doubt it, but just thought I'd pose the question. What they gave me was a Switching Power Supply ATX 12V PA (ACE), Model: 400W
Michael MurphyAsked:
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ComputerTechieConnect With a Mentor Commented:
there might be a little four pin clip on the side of the 24 pin  that comes off

yes there is an adapter for your casa

hatheharikenConnect With a Mentor Commented:
sure there is:

hope this helps!
MarkConnect With a Mentor Commented:
Most 24 pin power plugs will have a 4 pin section that will allow it to be taken apart to make it a 20 pin plug.
Michael MurphyAuthor Commented:
I want to thank the three you you who responded. I have the computer up and running thanks to you. It may have been simple for you, but for me, getting the solution prevented me from going back to the Company (in Cork, Ireland - Cork is the real Capital of Ireland, but keep it secret), to harrangue the sales staff. Really grateful
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