My hard drive is no longer appearing

I just had a new hard drive installed in my mac book pro but now the Hard drive icon no longer appears in the top right corner, also when i insert a usb drive thay also do not appear. if i go to disk utility they are there and they are mounted but they are still not showing on my desk top.
Is there a function in need to turn on for these to appear.
Thanks
Adam

With Finder active, go to Finder Preferences (in the Finder menu) > General; in that screen, checkmark the items near the top for "Hard disks" and "Externa; disks". This should make them appear on the desktop, upper right side.
Also, in Finder Preferences > Sidebar, checkmark the same items in the Devices section. This should have them appear in the Sidebar in Finder (folder) windows.

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Yes. Thanks for the response. I followed all the steps you gave a little bit ago. And still, the Drive comes on, the led light flashes once. I can here it kick on. But, the usual icon for it is still not in finder, not on the desktop. But, of course it shows up in disk utility. Again, the first line that says, "465.8 Hitachi HD...." And that second line which says, "deejayWESTBROOK LIBRARY 1" is grayed-out (but I can still click on it....still won't mount...(or eject). But, it still gives info about the drive:
Name : deejayWESTBROOK LIBRARY 1
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Disk Identifier : disk1s1
Mount Point : Not mounted
File System : Mac OS Extended (Journaled)
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Device Tree : /PCI0@0/USB7@1D,7/@5:1
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Can Turn Owners Off : Yes
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ddurval73 wrote:
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My hard drive is no longer appearing

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