I change hard disks very often and now there appears to be problem in hard disk controllers and in cd-rom. I use finnish version of Windows so i'm not sure are these terms are named correctly. There are exclamanation marks over in first and second ide-controllers at the device manager list. Dual PCI IDE controller is working right. The second problem is that my 16x cd-rom drive works now only at 4x. I have to load the cd-rom drivers in autoexec.bat and config.sys. If I don't do that, Windows doesn't recognize my cd-rom drive. If i load the drivers, then the drive works. But I cannot even then see it at the list where all the diveces are listed.
I to had this same problem when i used win95 and then when I upgraded to Win98 all was fine. Now I use win98 and I have even tried re-installing windows but it didin't help.