Wireless range expander - intermittent connection

I have a D-link wireless n router and a linksys wre54g wireless g range expander.  

The dlink router only occasionally shows both the desktop and the range expander connected at different signal strengths (the desktop at 22%, the expander at 40%).  The range expander shows both the link and activity lights as blue (good), but often the expander does not register  as being connected to the router (verified by being able to see the expanders MAC address).  C

At one point the expander was feeding the wireless connection to my desktop (4Mb connection speed, verified by the activity light blinking), but now that's dropped.

Any ideas on how to get these devices playing well together?
John HGeneral TinkererAsked:
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There are often issues when mixing devices of different manufacturers. Sometimes firmware upgrades can improve things. Another thing you could try is to turn "n" mode off on the D-Link router.

Also, does your desktop have a Wireless NIC with "n" capability? If yes, I'd remove the range extender and try using only the router, as devices that use "n" mode have approximately double the range of lower modes (or if the card in the PC is slower, replace it with an "n" device).

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John HGeneral TinkererAuthor Commented:
I eneded up buying a dlink n range enxpander, and it still worked like garbage.  I solved the problem by hardwiring the whole system, end of wireless issues!
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