Generic volume yellow problem

On my Windows computer I think I have a block on adding new storage devices As if i plug in a usb hard drive I get a Yellow ! point under Storage Devices as well if I add a new sata HDD internally.
Any Ideas
Thanks for any help.
 
Sorry I guess that would help :)
It's a custom built Server running windows 2008.
It has an asus Sabertooth X58 All drivers are installed and main HDD's Do not have the generic ! point on them.
Thanks again
 
Windows Server 2008 is essentially Windows XP Pro? Are you sure the latest chipset drivers are installed?
 
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