Shared hard drive disappearing after airport update

My shared hard drive attached to my airport extreme will mount but afterwards gives me the error message "The alias “xxxxxx” can’t be opened because the original item can’t be found." Also the drive is listed under my shared section in the finder window but when selected gives a share-point icon and doesn't allow access. This has been occurring after the airport utility update. Any information would be greatly appreciated....and I just got the access via the internet working and now this - bummer.
workaround: I have found that selecting the drive in the finder window then deselecting and selecting a second time will give me access to the drive but thats a pain in the rear.

"It will not let me verify the drive" means that I am unable to verify the drive.
Today, I installed the security update on my 24" intel imac, that I've owned since April. I restarted the machine. Up came the folder icon with the question mark. I restarted a second time and the same thing occurred. I then inserted the installer disc that came with the computer and I was able to start up the computer that way. Using the Disc Utility, I attempted to verify or repair the hard drive, but all those options were ghosted ("it will not let me verify the hard drive") Also, while there, I saw that the hard drive partitions were not recognized: there were two partitions (1: 500GB; 2: 198GB) but now it was registering a single drive at 698GB of 750.
I then called Apple support. We reset the PRAM. We did a hard drive test (restart holding "d") and that test produced no error. We then tried unplugging all peripherals, including the power supply, and letting it sit for a few moments. The imac restarted to the same results. Finally, the tech suggested attempting an archive install, which was not available as an option. Further, the install disc did not detect an available hard drive for installation, so the option to reinstall the OS was not an option, either.
The tech said my only option is to take it in for service, leaving me unable to work for four to five days (if I'm lucky), as they won't get to it until Monday, and even then they're backed up.

Similar Messages

USB keys and external hard drives disappear after 30 seconds to 1 minute of being mounted.

I just got my 15' MacBook Pro refurbished (by Apple), and everything is working well except my USB ports. My USB keys appear for 30 seconds to as much as 2 minutes before disappearing from eveywhere, my desktop, finder and disk utility. I have a 1 TB WD passport for mac that also has the same problem, but can stay on the desktop and copy files for around 10 minutes. Then error -36 shows up, the hard drive disappears from the desktop and finder, but only appears in disk utility. It is powered as well, The light is currently flashing indicating it's receiving power as I am typing this. But still, no way i can copy anyhting onto it.
I have searched and searched for the solution to this problem, I have tried using apple script to find "invisible hard drives." and that doesn't work either.
On my windows partition in bootcamp, all usb keys work perfectly fine.
Is it because the USB ports are out of energy and dying? If so, should the refurbishment have covered that and replaced them? (Note: refurbishment included everything from my Keysboard to my battery to my Optical drive and cable optical drive flex)
Is there anything I can do to fix this problem on my own?
Any help I can get would be greatly appreciated.

Hi wdmpfm,
Here is something from an earlier post on the -36 error that may help to identify the issue:
A -36 is a disc I/O error. You might have a corrupt file, or a corrupted drive. Try creating a new file and see if you still get the error. If you do, it might be wise to run a Disc Repair program to see if it can find any errors that it can fix.
And one from another thread:
You need to format your drive correctly. New drives come formatted for Windows, & then they seem to work — but not properly.
+Applications > Utilities > Disk Utility+
Choose one of the +Mac OS Extended+ formats.
Obviously first you will have to back-up all the data you have already put on the drive, because it will all be lost when you re-format.
Hope one of these may help!
Cheers,
GB

Disappearing Hard Drive Space After Yosemite Update

After installing OS X Yosemite my hard drive space has dwindled to basically nothing, rendering my computer useless. I had at least 50 gb (maybe more) of hard drive space before updating from mavericks to yosemite. Now, after using my computer for 30 mins or less I get an error message saying that my storage space is low. After a restart I will get about 600 mb of storage but then the cycle repeats. Since I have upgraded to Yosemite I have not saved or downloaded any large files but there is a significant amount of storage space (104 gb) used in the other category. It is not consistent with my usage. I initially had file vault encryption turned on but I thought maybe that was the cause of my disappearing hard drive space so I turned file encryption off and still no luck.
Please Help!
Problem description:
Hard drive space disappearing after installing OS X Yosemite.
EtreCheck version: 2.1.8 (121)
Report generated February 11, 2015 at 2:44:51 AM CST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
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Hardware Information: ℹ️
    MacBook Pro (Retina, 13-inch, Late 2012) (Technical Specifications)
    MacBook Pro - model: MacBookPro10,2
    1 2.5 GHz Intel Core i5 CPU: 2-core
    8 GB RAM Not upgradeable
        BANK 0/DIMM0
            4 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            4 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: en0: 802.11 a/b/g/n
    Battery Health: Normal - Cycle count 427
Video Information: ℹ️
    Intel HD Graphics 4000
        Color LCD spdisplays_2560x1600Retina
System Software: ℹ️
    OS X 10.10.1 (14B25) - Time since boot: 0:34:43
Disk Information: ℹ️
    APPLE SSD SM256E disk0 : (251 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        Macintosh HD (disk1) / [Startup]: 249.77 GB (645 MB free) (Low!)
            Core Storage: disk0s2 250.14 GB Online
USB Information: ℹ️
    Apple Inc. FaceTime HD Camera (Built-in)
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
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Kernel Extensions: ℹ️
        /Applications/Parallels Desktop.app
    [not loaded]    com.parallels.kext.hidhook (8.0 18354.823166) [Click for support]
    [not loaded]    com.parallels.kext.hypervisor (8.0 18354.823166) [Click for support]
    [not loaded]    com.parallels.kext.netbridge (8.0 18354.823166) [Click for support]
    [not loaded]    com.parallels.kext.usbconnect (8.0 18354.823166) [Click for support]
    [not loaded]    com.parallels.kext.vnic (8.0 18354.823166) [Click for support]
        /Library/Application Support/Roxio
    [not loaded]    com.roxio.TDIXController (1.7) [Click for support]
        /System/Library/Extensions
    [not loaded]    com.deepseasoftware.driver.CDSDAudioCaptureSupport (1.3) [Click for support]
Launch Agents: ℹ️
    [loaded]    com.coupons.coupond.plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
    [loaded]    com.oracle.java.Java-Updater.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [loaded]    com.google.keystone.daemon.plist [Click for support]
    [loaded]    com.leapfrog.connect.shell.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
    [loaded]    com.oracle.java.Helper-Tool.plist [Click for support]
    [loaded]    com.oracle.java.JavaUpdateHelper.plist [Click for support]
    [running]    com.synium.cleanappdaemon.plist [Click for support]
    [loaded]    jp.co.canon.MasterInstaller.plist [Click for support]
User Launch Agents: ℹ️
    [failed]    com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist [Click for details]
    [loaded]    com.yahoo.YahooContactSyncAgent.plist [Click for support]
User Login Items: ℹ️
    Dropbox    Application (/Applications/Dropbox.app)
    CitrixFMDPrefPlugin    UNKNOWN (missing value)
    Canon IJ Network Scanner Selector EX    UNKNOWN Hidden (missing value)
    Canon IJ Network Scanner Selector EX    Application Hidden (/Applications/Canon Utilities/IJ Network Scanner Selector EX/Canon IJ Network Scanner Selector EX.app)
Internet Plug-ins: ℹ️
    LogitechHarmony: Version: 2.0 - SDK 10.7 [Click for support]
    DirectorShockwave: Version: 12.0.2r122 - SDK 10.6 [Click for support]
    MeetingJoinPlugin: Version: Unknown - SDK 10.6 [Click for support]
    o1dbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
    Default Browser: Version: 600 - SDK 10.10
    Flip4Mac WMV Plugin: Version: 2.4.0.11 [Click for support]
    Silverlight: Version: 5.1.20513.0 - SDK 10.6 [Click for support]
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Safari Extensions: ℹ️
    Open in Internet Explorer
3rd Party Preference Panes: ℹ️
    Citrix Online Plug-in [Click for support]
    Flash Player [Click for support]
    Flip4Mac WMV [Click for support]
    Java [Click for support]
Time Machine: ℹ️
    Skip System Files: NO
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 249.77 GB Disk used: 249.12 GB
    Destinations:
        Seagate Backup Plus Drive [Local]
        Total size: 2.00 TB
        Total number of backups: 4
        Oldest backup: 2014-11-30 04:17:38 +0000
        Last backup: 2015-02-11 07:50:52 +0000
        Size of backup disk: Excellent
            Backup size 2.00 TB > (Disk size 249.77 GB X 3)
Top Processes by CPU: ℹ️
        13%    WindowServer
        12%    com.apple.WebKit.Networking
         6%    Safari
         4%    hidd
         2%    com.apple.preference.security.remoteservice
Top Processes by Memory: ℹ️
    215 MB    Safari
    103 MB    WindowServer
    77 MB    Dropbox
    69 MB    mds_stores
    69 MB    com.apple.WebKit.WebContent
Virtual Memory Information: ℹ️
    2.53 GB    Free RAM
    4.06 GB    Active RAM
    988 MB    Inactive RAM
    1.02 GB    Wired RAM
    1.63 GB    Page-ins
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Diagnostics Information: ℹ️
    Feb 11, 2015, 02:09:09 AM    Self test - passed
    Feb 11, 2015, 01:12:53 AM    /Library/Logs/DiagnosticReports/CleanApp Daemon_2015-02-11-011253_[redacted].crash
    Feb 9, 2015, 06:34:50 PM    /Library/Logs/DiagnosticReports/CleanApp Daemon_2015-02-09-183450_[redacted].crash
    Feb 8, 2015, 11:50:38 PM    /Library/Logs/DiagnosticReports/firefox_2015-02-08-235038_[redacted].cpu_resour ce.diag [Click for details]
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    Feb 11, 2015, 01:22:51 AM    /Library/Logs/DiagnosticReports/backupd_2015-02-11-012251_[redacted].cpu_resour ce.diag [Click for details]

You are too low on drive space for iDVD to run properly. It is recommended that you try to have about 15-20 GB free for the application to run. See if you can delete anything to free up more space. Or, move more of your files to your external drive. iDVD needs to be on your computer's drive, so don't move it, or any of the iLife applications to your external drive.
You can create iMovies on an external drive, move your entire iPhoto and iTunes libraries to external drives, but I find iDVD works better if I create its projects on my main drive. I save all of my iDVD projects as disk image files and then move those files to my external drive for saving my projects. This allows me to delete the original iDVD project and the original iMovie project used in it, which gives more free space on my drives.

USB Hard Drive Disappears after 10.6.3 update

My Samsung S2 640 GB USB portable hard drive is missing from Desktop, Finder and Disk Utility-- but visible in System Profiler after 10.6.3 update. It was fine before the update.
Plugged directly into rear of iMac, I changed cables and slots-- no joy. Even tried a double USB cable as there is no external power supply.
Four other USB HDs work just fine in all slots om the iMac , and this Samsung S2 works fine in my MacBook SL 10.6.3
I bought an identical Samsung S2 and it had the same problems-- so it's not the drive.
Suggestions?
Message was edited by: Patrick Cleburne

Boot from your install disc & run Repair Disk from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
Restart your computer when done.

External hard-drive disappeared after dragging into Spotlight

Dear users,
My external hard-drive under devices disappeared after I dragged it into Spotlight to reindex it to make it searchable.
There was a cloud puff animation when i dragged it from the devices icon on the left of folders to the spotlight privacy box window.
Please help. Thank you!

Hi there,
did you find out what the problem was or how to re-map the ext. HDD?
I have the same problem.
thank you.

Hard drive unreadable after Security update

I installed the latest security update on my intel imac today and upon restart received the question mark folder icon. When restarting from the disc, it will not let me even verify the drive. AppleCare was unable to help. Any ideas? Is it just dead? Is data recovery even a possibility here?

"It will not let me verify the drive" means that I am unable to verify the drive.
Today, I installed the security update on my 24" intel imac, that I've owned since April. I restarted the machine. Up came the folder icon with the question mark. I restarted a second time and the same thing occurred. I then inserted the installer disc that came with the computer and I was able to start up the computer that way. Using the Disc Utility, I attempted to verify or repair the hard drive, but all those options were ghosted ("it will not let me verify the hard drive") Also, while there, I saw that the hard drive partitions were not recognized: there were two partitions (1: 500GB; 2: 198GB) but now it was registering a single drive at 698GB of 750.
I then called Apple support. We reset the PRAM. We did a hard drive test (restart holding "d") and that test produced no error. We then tried unplugging all peripherals, including the power supply, and letting it sit for a few moments. The imac restarted to the same results. Finally, the tech suggested attempting an archive install, which was not available as an option. Further, the install disc did not detect an available hard drive for installation, so the option to reinstall the OS was not an option, either.
The tech said my only option is to take it in for service, leaving me unable to work for four to five days (if I'm lucky), as they won't get to it until Monday, and even then they're backed up.

Hard drive disappears after install of 10.4.3

Just upgraded from 10.2.7 to 10.4.3,
I have a powermac G4 with 4 hard drives (two 40gb and two 120gb). The two 40gb and one 120gb drives were recognized after the upgrade, but the other 120gb does not show up anywhere, including disk utility. All drives have been functioning properly prior to the upgrade. I also have one internal superdrive and one external DVD-R drive (both are recognized).
Any ideas appreciated...thanks in advance,
-Erik

if thats the case then it most likelyt is a hardware issue and not a problem with os 10.4 it might be worth your while to make sure though and find someone with a 10.2 or 10.3 disc an see if its listed in that setup, or you could check to see if that hardrive is visable in another computer that would at least rule out the possibility of the harddrive malfunctioning, but you may7 just also want to try another harddrive bay it could just be as simple as the serial cable being toast or at worst one of the buses being toast, but i believee your mac has four bays so definatly try that. and if worst comes to worst and none of these things seem to work then try calling apple.
i hope one of these things will help and give you insight on this issue, good luck!

External hard drive problems after latest updates

I just did some updates (listed below) and now my external drive is having a few problems.
Updates installed:
- Security update 2015 002
- Remote Desktop Client Update 3.8.2 ver 1.1
- iTunes 12.1
- Canon Inkjet Printer Software 3.2
Problems:
- Double clicking on any file type leads to a 'can't find application' error, rather than it opening in the default program (i have tried it with several different file types)
- Can no long click option + drag to copy. I get error code -8058
Any idea which update might be causing this? I'm thinking security or remove desktop client? If so, is there any way to remove the update? I've searched and can't find how.

Try a restart.
Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.
Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
Isolating an issue by using another user account
Try booting into the Safe Mode using your normal account. Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up after waiting 10 seconds. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear and again when you log in. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don’t do them all at once.
Safe Mode - Mavericks also Yosemite
Safe Mode - About
is there any way to remove the update? I've searched and can't find how.
Restore from a backup before the updates were applied.

My (brand new) imac with flash hard drive freezes after mavericks update

after updating to the new mavericks my new imac has been slowed down -
when scrolling in finder to select files and tag them it freezes and "thinks" after each file
your help appreciated
its brand new ( only a month old ) and was lightning fast before

after updating to the new mavericks my new imac has been slowed down -
when scrolling in finder to select files and tag them it freezes and "thinks" after each file
your help appreciated
its brand new ( only a month old ) and was lightning fast before

Ultrabay HDD (Hard Drive) Disappears After a Few Minutes of Being On

Hi,
Windows 7
Thinkpad T400
Ultrabay HDD with SATA encrypted with Bitlocker
I plug my drive in, unlock it, use it, and go get a cup of coffee. A few moments later, the drive will no longer be in my computer. I looked through power manager to see if there was a setting turning the drive off, but cannot find any option.

Hi and welcome to the forum!
Did you buy the adapter from eBay?
Try following solution:- http://forum.lenovo.com/t5/T400-T500-and-newer-T-series/T410-Ultrabay-HDD-Question-SOLVED/m-p/246774...
Same solution also posted here
Follow the procedure and make a shortcut as the Dd16 suggests, when the Ultrabay HDD powers off double click the shortcut to activate it.
Hope this helps.
Maliha (I don't work for lenovo)
ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]
IdeaPad: U350
Apple:- Macbook Air [Snow Leopard]
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How to deactivate a shared Hard drive on Airport Extreme - keeps sleeping

was curious if anyone one knows how to temporally deactivate a shared Hard drive on Airport Extreme - keeps sleeping every 30mins and have to wait 12 second for the drive to spin up and wait for the beach ball to stop spinning. Getting really aggravating.... Thanks

The external harddrive is NTFS format and someone from apple told me that it would have to be reformatted to be seen by the Extreme -- Needless to say with 33% of the hard drive filled, I do NOT want to reformat.
Unfortunately, HDDs attached to the USB port of the AirPort Extreme, cannot be recognized by the AirPort if formatted in NTFS. If you do not wish to reformat this drive, you will either have to use a different drive or connect this drive to a Windows PC for sharing on the network.
The AirPort can only share drives formatted in HFS+ or FAT32.

After connecting the Hard Drive to the airport extreme, where can I find the file location in Windows 7

After connecting the Hard Drive to the airport extreme, where can I find the File Location (to access my files from my Hard drive)

Hi,
Try this select to check backup history:
Select
r1.database_name,
r1.name,
(case r1.[type] when 'D' then 'Full database backup' when 'I' then 'Differential database' when 'L' then 'Transaction Log Backup' else r1.[type] end) as BackupType,
r3.physical_device_name,
r1.backup_start_date,
r1.backup_finish_date,
r1.backup_size,
r1.compressed_backup_size,
r2.is_compressed,
r1.server_name,
r1.first_lsn,
r1.last_lsn
from msdb.dbo.backupset r1
inner join [msdb].[dbo].[backupmediaset] r2
on r1.media_set_id = r2.media_set_id
inner join [msdb].[dbo].[backupmediafamily] r3
on r1.media_set_id = r3.media_set_id

Airport extreem as a shared hard drive?

Hi,
I was wondering if I can use an Airport Extreem base station as a shared hard drive. I want to be able to drag and drop files into the base station and use it as a sort of "home cloud" where users can leave files on the network without keeping them on their Mac or pc's hard drive. It has 2TB of storage, which is more than enough. Airport Base Station Agent is installed on my pc and, of course, my MacBook was ready to go right out of the box.
Thanks!

Yes, no problem (AE doesn't come with built-in drives, so I'm assuming you have an external one connected via USB).
From Apple' web page:
Share your hard drive.
You can share an external USB hard drive over your wireless and wired networks by simply connecting it to the USB port on your AirPort Extreme Base Station. Called AirPort Disk, this feature is perfect for sharing files and more. If you’re a MobileMe member using a Mac with OS X Leopard or later, you can even access the files on the drive over the Internet.

Internal Hard Drives Disappeared, Finder Memory Problem

Hello Helpful Folks,
I recently installed an addional internal Hard Drive, and an additional 1GB SDRAM. This worked great for a day, but the next morning, after powering up, system was extremely sluggish, and after much deadline-induced impatient problem solving, has gone from bad to worse (system refuses to acknowledge existence of internal Hard Drives). I apologize in advance for the length of this post, but as
the devil is in the details, I figure too much info is better than not enough.
Following is a breakdown of my system: AS IT LAST WORKED; RECENT UPGRADES; and MY LAME ATTEMPTS AT PROBLEM SOLVING THAT HAVE MADE THINGS WORSE. Please don't interpret my all caps as shouting, just trying to organize this post for better clarity.
System is dedicated to Video Editing with FCP 3, running under OS 9.2.2. System is "off the Grid", i.e. no network, no internet, no printer, no gaming devices. System was purchased new in July 2001, by a friend. At one point I know this system had an Airport card, which was removed prior to my purchase in 2003. I can't remember what else it may have had installed in its history, but here's what it has now:
SYSTEM AS IT LAST WORKED:
**bold items are upgrades Original Owner or I installed with no apparent problems**
Power Mac G4 "Quicksilver" 2001
867 PowerPC G4, 256 L2, 2MB L3
-1 Stick "ValueRAM - KVR 133 x 64 C3/512" in PC 133 DIMM slot **
- "Virtual Memory" was turned off years ago due to conflict with FCP 3
-2 empty DIMM slots
-1 60 GB internal HD (Maxtor Ultra ATA/100), 1 partition, formatted HFS+, jumpered as "Master" on Internal ATA 2 ID=0 (which as I understand it is ATA/66 speed)
-1 Pioneer "Superdrive" DVD-R/W/CD-R/W on Internal ATA 0 ID=0
-NVIDIA GeForce2 MX with 32MB SDRAM in AGP Slot, feeding a 17" Apple Studio Display.
-PCI Display Card "formacGA7" - not attached to any external device, not sure what its intended purpose is.**
-3 Empty PCI Slots
-OEM Keyboard attached to Monitor's rear USB port.
-Microsoft 3 Button Wheel mouse with "IntelliEye" (wheel is 3rd Button) connected to Keyboard USB port (right side).**
-2 OEM FireWire (400) ports
-2 OEM USB (1) ports
Peripherals that have worked in various configurations with this system over the past 3 years:
-3 OWC Mercury Elite ("Oxford Chipset") Externally powered, External FireWire(400) 200GB Hard Drives, 1 partition each, formatted HFS+, daisy-chained to either of the FireWire ports.
-1 Canon GL1 MiniDV camera, attached either to the other FireWire port, or to the last drive in the chain, depending on my urgency/laziness factor. BTW, FCP 3 has worked flawlessly controlling this Cam for logging and Batch Capturing.
Applications on System Hard Drive that I have OEM CDs for:
-OS 9.2 - (I think I remember that OS X was removed from system due to conflicts shortly after original purchase)
-FCP 3
-DiskWarrior (version unknown, purchased from Alsoft in 2003)
-OWC Intech Hard Disk SpeedTools ver 3.5
Other CDs I have:
OEM CDs for Power Mac G4:
-Software Install, OS 9.2, CD vers 1
-Software Install, OS 10.0.4, CD vers 1
-Software Restore, OS 9.2 & 10.0.4 CDs vers 1, Discs 1-4 of 4.
-OEM Apple Hardware Test; Power Mac G4, SW vers 1.2.1
Applications on system Hard Drive that I don't have CDs for, that I rarely use, but I'd like to keep:
-After Effects 5.0
-QuickTime Player 6.0.2
-Toast Audio Extractor 1.1
-Toast Titanium 5.0.2
Applications on system Hard Drive I use if my wife is busy on our Windows XP machine:
-Photshop 6.0
-Microsoft Word & Excel
# of other Applications on System Hard Drive I either don't use or may be integral to the system: 260
# of Control Panels:
-Enabled: 34
-Disabled: 0
# of Extensions:
-Enabled: 174
-Disabled: 0
note: a number of the applications and extensions are for AOL, Quickbooks, Microsoft Money and the like, as well as other things I don't use (Airport, USB printers, Networking, etc.)
Smart things I did:
-Regularly made backup copies of my FCP projects to the external drives.
-Bought a copy of MacDrive so I can see what's on my External Drives on the XP machine.
-Printed out System Profile before I installed upgrades.
-Thoroughly searched this discussion board for and gathered as much info as I could before upgrading.
Dumb things I did:
-Made a copy, but not a clone, of my System Folder to one of the external drives when I first got it.
-Didn't keep any sort of separate log of what's on the External Drives.
-Never ran any sort of Disk Maintenance, even after one of the Externals crashed (DiskWarrior saved my butt on that).
-Ignored some of the advice on this discussion board.
Really dumb thing I did without even realizing it:
Captured all media for a rush job onto my internal system Hard Drive, as well as storing and using massive jpgs for the same job on that same drive...
Which led to painfully slow rendering times, and crashes caused by "Error: Out of Memory", which I interpreted as "Must buy more memory" and not "must make sure I'm not trying to edit media stored on system drive, especially with massive jpgs that I should reduce"
RECENT UPGRADES:
Here's what I did, and how I did it:
Turned off system, disconnected all External FireWire Devices, disconnected Monitor, opened case, touched various metal parts of case and power supply to discharge any Static, unplugged power cable.
-Installed 2 512MB sticks of "Lifetime" PC 133 SDRAM; total System RAM is now 1.5GB, all 3 DIMM slots now occupied.
-Installed 1 Maxtor "DiamondMax" Ultra ATA/133 100GB Hard Drive (8 MB buffer) as "Slave" (no jumper) in top of U-Carrier above System Hard Drive; attached to middle of original Apple ribbon cable, attached available power plug.
Taped spare jumper to inside of empty drive bay, noting origin and date. Did NOT push PMU button. Carefully closed case. Reconnected Monitor, did NOT reconnect any FireWire devices. Powered System on, but did NOT perform PRAM reset.
I don't remember the exact order of what happened next, but I think: System booted up normally, a window popped up saying a new drive had been found, would I like to intitialize it?, which I did as Mac OS extended, and then named. If I was instructed to restart, I did so, otherwise did not. Clicked on "about this Mac" and saw that it now showed 1.5GB RAM. I then went about moving Media/Render files off the System drive (and one of the Externals) onto the Internal Drive, with a combination of FCP's Media Manager, and dragging from the Finder. After files had copied, dragged Media/Render files from System Drive to Trash. Opened FCP project, had FCP re-link to new locations of missing files. Saved, closed, and re-opened project, set Capture/Scratch disc to new internal Drive. At some point I changed FCP's Memory Allocation from whatever it was to 512000KB Minimum, and 900000KB Prefered (and I hope I got all those zeroes right). Did NOT restart after changing Memory Allocation, unless a window popped up instructing me to do so, in which case I did. Re-opened my project, rendered a few thing at a noticeably increased speed, saved everything, emptied the Trash, shut everything down, and called it a night as it was 4:30 am.
A few hours later, I plugged the MiniDV and an External Drive into the FW ports and powered up the System. It was behaving extremely sluggishly. I would click on something, the pointer would turn into a wristwatch (sometimes with the minute-hand moving, sometimes not) and like an actual minute later, what I'd clicked on would open. All three drives were on the desktop, still had their files, and "About this Mac" still showed 1.5GB total Memory. So I powered down, disconnected the FW devices, waited a bit, and powered back up. Same sluggish response. I tried to open my FCP project file, and instead got a Window that said something to the effect of "The Application associated with this document could not be found". I think I tried to open FCP from the Applications folder on the System Drive and got the same message (I'd only had 3 hours sleep, no coffee, my client had died, and his family was coming for whatever I had in a few hours).
LAME ATTEMPTS AT PROBLEM SOLVING THAT HAVE MADE THINGS WORSE
Panic had set in, which never solves anything, so I don't remember what order I performed which tasks, between searching for clues in this forum, and convincing myself that that would be faster than trying to compose a question, waiting for a response, etc.
The first two things I did, and I can't remember which I did first (both from Keyboard Commands during Restart):
Rebuild Desktop
PRAM Reset
Neither of those solved the problem, so I continued.
I tried restarting without extensions.
I would get errors that said something like "Not Enough Memory to Open Finder".
I tried booting from Disc 1 of the Software Restore Disk, which only wanted to destroy my data.
I tried booting from the OS 10 disk, with the same result.
I was finally able to boot from the OS 9.2 Software Install Disk, and actually saw both internal drives on the desktop, and the 1.5GB RAM in About this Mac. I tried to allocate more memory to Finder, but was informed that "Cannot Perform Requested Operation. This operation requires versions above 8.0".
I think at this point I decided that I must have too many extensions, and started disabling ones I thought irrelevent to my cause (mostly anything that said "AOL", "Airport", "Ethernet", "Printer", "Modem", "Speakable", and a couple things called "Open TPT".
It gets worse. Then I decided to turn off some "unnecessary" things via the control panels, but somehow managed to disable the control panels themselves: AppleTalk, DialAssist, File Sharing, Modem, Mouse (as I saw that Microsoft Mouse was among the others), Remote Access, Speech, USB Printer Sharing, and possibly TCP/IP.
That certainly didn't help anything (though upon restarting from the OS 9.2 Disc I was able to see the extensions and control panels in their respective "Disabled" folders in the System Folder). But I still wasn't able to get more Memory to Finder.
So, I decided a few more PRAM resets might help, which succeeded in making both Internal Hard Drives disappear. I tried booting up from the DiskWarrior disc, but even the Mighty DiskWarrior couldn't find the drives. I performed the longer, in depth version of the Apple Hardware Tools tests, which reported that everything's fine (including the new RAM), but made no mention of the Hard Drives at all. The deadline having long passed, I shut the system down. I read through more posts and tech articles, etc.
I searched my External drives with MacDrive on my XP, and found the drive that has the copy of my System Folder (which shows all extensions and control panels as enabled); not sure if the Quicksilver will boot from that, I don't know what the Keyboard command for booting from a FireWire drive is (if there is one) and the drive itself only has 900MB of free space.
I can't find any reference to Internal ATA drives anywhere in the MacDrive documentation; if it was possible I'd put them into the XP, get the files off the Mac drives, reformat them and install OS9 from the Discs.
This is where I am now:
The Quick Silver is still powered down. I removed the Microsft mouse and replaced it with the OEM Apple mouse. I opened the case, and removed the PRAM/Backup battery (manufacture date: July 2001). Couldn't find my voltmeter, so took the bat to Radio Shack and bought a new one. Had the Radio Shack guy test the old one: it showed 3.69 volts still. Have not installed the new battery yet. The case is still open, waiting for any advice any of you might have to offer.
Thank you all so much for your patience in perusing and pursuing this.
Sincerely,
Patterson
Power Mac G4 Quicksilver 867 Mac OS 9.2.x 17" Studio Display, 512MB RAM

Thank you Rodney and John,
The jumpers are correct for both Maxtor Drives.
Rodney, you are correct in that the initial problem (slow rendering/"out of Memory" crashes) was caused by my not realizing I'd stupidly captured several GBs of media to my system drive, and not checking which drives those files were on (as I'd assumed I'd put them on one of my external media drives) once that problem presented itself.
Before I'd determined what I'd done, I bought the extra RAM. After I'd found the media files on the System Drive, and saw that my dedicated media drives were too full to easily move them, I decided to buy an additional Internal drive so that I could:
-Move the Media onto it relatively quickly and finish my urgent project.
-Juggle all my media into a more organized fashion for archiving (as most of my projects are on-going long-term affairs)
-Wipe it, Partition it, and clone my System Drive onto it, as a spare bootable drive in case my OEM System Drive failed.
Copying the Media files onto the New Drive and moving the System Drive's Media files into the Trash worked great: huge improvement in Rendering, etc.
Before shutting down for the night I Emptied the Trash, and was pleased with the amount of space I'd freed up on the System Drive.
My guess is that the System Drive was terribly fragmented, having been subjected to intense use over the past 5 years without any sort of Drive Maintainence, and deleting that massive amount from it in one shot caused my extreme system sluggishness upon Startup the next day.
My subsequent lame attempts to solve the sluggishnes ultimately resulted in my losing access to both drives.
Today, I replaced the Backup Battery, pushed the PMU, re-attached the AC, and Powered Up with the case open as per your suggestion.
It was trying for a few minutes (the gray screen went black at one point, and then returned to gray) before presenting me with the flashing question mark.
There was, however, a quiet but distinct "buzzing" sound that would alternate: 1 sec "buzz", one second silence, one second "buzz", one second silence, etc. coming from the drives, even after the "?" appeared.
I powered down, removed the Ribbon and Power Cables from the new "Slave" drive, and powered up again, with the exact same results.
I powered down, removed the Ribbon and Power cables from the original "Master" drive, reinstalled the Jumper on the New Drive as "Master", plugged the End of the Ribbon and the Power cables into the New "Master" drive and powered up. The screen went to the "?" within 20 seconds instead of 4+ minutes, and no more "buzzing".
I put the Apple Hardware Tools Disk in, ran the "long" test, and everything came out fine.
I have to abandon this for now, but thanks again for your previous advice, and any more you may have!
Cheers,
Patterson

Can not shut down late 2011 MacBook Pro and turn it back on again without the hard drive disappearing?

Ok, I have searched for months for an answer to this question to no avail, probably because no one has experienced it before. I am hoping however that you guys can help me figure this one out cause it is driving me nuts! Also, I am not entirely sure what section of the support I should put this under so if I stick it in the wrong place, I apologize.
Right now my problem is very simple. When I turn off my laptop, and then try to turn it back on, my internal hard drive disappears... and I get the blinking folder with a question mark on it. I have figured out something interesting however. I have an install disk with Ubuntu Linux on it. If I boot into that first, then RESTART the laptop, not shut down and turn back on, it reads the internal hard drive just fine and I can boot as if there is nothing wrong.
Second part to the problem... If I allow the laptop in either OSX or Windows to go to sleep (aka shut off the hard drive but the computer remains on), when I attempt to wake it up, I am greeted with the usual log in screen of whichever OS I am in, but is frozen and after a few seconds goes black and restarts the computer to find that... Surprise! The hard drive is gone
I have tried every trick in the book that I can think of, but can not seem to come up with a solution to the problem... I know when the problem happened and if anyone thinks that that will help them figure this out I will type everything I did up till, including the crash that caused this, and my attempted fixes, but I have class right now so only if you guys want it I will type all that out.
What I am currently running is:
2011 MacBook Pro 13in screen
4Gb of Ram
1TB internal Hard Drive
OSX 10.11.whatever the newest update is... just updated the other day again.
Windows 8.1 on BootCamp 5 (yea I know its not supposed to work but it does) again, fully updated
Ubuntu 13.10 (I think? Doesn't really matter, its just an install disk I use to boot the computer)
If there is anything else that you guys need me to provide, I can, just simply ask. I can provide as much info as is necessary.

Sorry it took me so long to write back, But unfortunately this didn't help my issue.
My uncle and I did a lot of tests on this computer and have narrowed down the location of the problem a little bit.
We tried to first reset the SMC and the NVRAM as suggested, but the only thing that did was make the fans run on full tilt for the first session after restarting it for some reason. After that we tried re installing OSX over the OSX that was already on the system (not removing any of the files). This also didn't do anything but make refit stop working. Then we moved onto the next task at hand by removing the hard drive entirely and booting it as an external drive from one of the USB ports... as long as you booted it with the options key held down, it worked perfectly fine. Then we put an alternative hard drive into the computer and installed OSX on that. This time there was no trouble booting anything up. Everything seemed to work flawlessly. So we made a backup of my original drive (OSX, Windows, and all) onto an external hard drive and tested booting to it via USB. That again worked perfectly fine and booted right up with no problems. So after that we formatted the original hard drive and reinstated OSX. We then proceeded to transfer all the old files from the backup onto this new installation and LOW AND BEHOLD..... we were back to square one with it refusing to recognize the hard drive again.
So this basically told us that there appears to be something either wrong with the hard drive, or something got really screwed up in the software along the lines and by me copying all my old files back over, I just ended up bringing the screwed up file back over with it! (despite not copying over any settings of any kind) So I am still extremely confused as to what is going wrong... did some boot sector possibly get screwed up may be?

Shared hard drive disappearing after airport update

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