Quest not being seen by computer ?

[Vonkprop]

I have used my Quest for years on this computer.
Now it tells me I have to add it as new hardware ??
Do I have to go through the whole installation procedure ?. If so with what discs ?
Suggestions much appreciated...

 

[GS-Dawid]

 

[Moondog]

 

[Moondog]

 

[Bessie]