PCMCIA Hardware Fault - Tecra 750CDT

Hi...
I have two identical Toshiba Tecra 750CDT laptops.
One machine will not recognise when PCMCIA cards are inserted, no
reaction to it whatsoever, no status lights on cards.
On the other machine cards are recognised immediately and work
perfectly.
When I swap the hard drive and WiFi card from the 'good' machine to the
'bad' machine, the bad machine boots normally with seemingly everything
working normally, except for no reaction to the WiFi card, not even a
staus light on the card.
Swap back to the good machine and all works perfectly again.
Ive taken this to mean that there is a hardware fault in the PCMCIA
circuitry of the bad machine.
Can anybody tell me whether there are any protection devices, fuses or
whatever, on laptop PCMCIA circuitry ?
Any suggestions will be gratefully received.

Hi
This unit is about 9 years old and it is not known to me but I recommend you to check all BIOS settings. Maybe you will find something there.

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