Time Machine can't find external drive after installing Lion

Time Machine can't find external drive after installing Lion. I have a Laice 1 terabyte external drive that worked fine with Snow Leopard and now no show ... tried connecting it to front port and Mac Pro can't see it. Also lost Office,Quicken, and Final Cut Pro  says: " You can't open application because Power PC apps are no longer supported" this is Not a good surprise!

Does the drive work when just directly connected? If so, have you prepped the drive?
Extended Hard Drive Preparation
1. Open Disk Utility in your Utilities folder. If you need to reformat your startup volume, then you must boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger or Leopard.)
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Click on the Options button, set the partition scheme to GUID (only required for Intel Macs) then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the volume(s) mount on the Desktop.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.

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    V.K.
    Posts: 20,162
    From: Toronto
    Registered: Oct 24, 2005
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 2, 2009 6:58 PM in response to: cjunxing
    Reply Email
    what happens when you enter commandshiftc in finder? that should show all the drives. if it doesn't, maybe the drive has acquired the hidden flag. run the following command in terminal
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    cjunxing
    Posts: 9
    From: china
    Registered: Jul 8, 2008
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 2, 2009 7:11 PM in response to: V.K.
    Reply Email
    dear V.K.
    When I enter commandshiftc in finder, it only shows up "network", then I followed to input sudo chflags 0 / in terminal and password, but the drives still not show up.
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    V.K.
    Posts: 20,162
    From: Toronto
    Registered: Oct 24, 2005
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 2, 2009 8:01 PM in response to: cjunxing
    Reply Email
    run the following command in terminal and post the results. this will list permissions flags and acls on the startup drive.
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    Mac Pro 3.2 GHz Mac OS X (10.6.1) Mac Pro 2.66GHz, powerbook G4 1.5GHz
    cjunxing
    Posts: 9
    From: china
    Registered: Jul 8, 2008
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 2, 2009 8:03 PM in response to: V.K.
    Reply Email
    I run the command as follows.
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    cjunxing:~ junxingchen$
    pls advise
    macbook pro Mac OS X (10.5.4)
    V.K.
    Posts: 20,162
    From: Toronto
    Registered: Oct 24, 2005
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 2, 2009 8:34 PM in response to: cjunxing
    Reply Email
    these permissions look fine. sorry, i don't know what the problem is or why the drive would not show in finder. does it happen on all accounts? make a new one and check from there.
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    cjunxing
    Posts: 9
    From: china
    Registered: Jul 8, 2008
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 3, 2009 1:11 AM in response to: V.K.
    Reply Email
    hi, V.K.
    after running the two commands, suddenly, The Macintosh HD icon showed up at both desktop and sidebar in finder, but the other drive (I partition into two parts) still not showing. Then I open Onyx and tick the "unhidden those hidden files", I found that drive. So I conclude it was hidden by sth. But I don't know how to unhidden it, the icon always in grey.
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    Junxing
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    V.K.
    Posts: 20,162
    From: Toronto
    Registered: Oct 24, 2005
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 3, 2009 6:41 AM in response to: cjunxing
    Reply Email
    aha, so it was a hidden flag after all. then run
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    cjunxing
    Posts: 9
    From: china
    Registered: Jul 8, 2008
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 3, 2009 5:33 PM in response to: V.K.
    Reply Email
    Dear V.K,
    I run the command at my Macbook Pro, my second drive show up. So exceited! However, when I tried with my ibook G4, neither drives come out, is there any difference in the commands between Tiger and leopard. just now, I check the hidden files with Onyx, both drives are there.
    Pls guide me.
    thanks
    macbook pro Mac OS X (10.5.4)
    V.K.
    Posts: 20,162
    From: Toronto
    Registered: Oct 24, 2005
    Re: can't find home drive after reinstallation of O.S.X
    Posted: Nov 3, 2009 6:46 PM in response to: cjunxing
    Reply Email
    sorry, I haven't dealt with Tiger in such a long time I don't remember if it respects chflags. ask on Tiger forums.
    Mac Pro 3.2 GHz Mac OS X (10.6.1) Mac Pro 2.66GHz, powerbook G4 1.5GHz

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