Hard disks dissappeared from desktop

I now have 2 Macpro servers where 2 of the 4 hard disks do not show up on the desktop?
They have just recently dissappeared?
Anyone have any ideas?
Syd Chesson

Found the answer.
Zap the PRAM
Resetting NVRAM / PRAM

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2nd HARD DISK DISSAPPEARED..HELP!!!!!

someone PLEASE help me...i have 2 years of data on this disk.
My 2nd hard disk disappeared from my desktop and Finder. I see it in Disk Utility, nad verified it and says everything is ok. This all happenned when i creatd a user account under my admin, and i changed the "ownership nad permissions" on that 2nd user to NO ACCESS. I guess something messed up. After i selected NO ACCESS on that 2nd user, i went back to my admin account, nad i couldn't access the disk there. i tried cahnging the disk to READ WRITE in my admin, but it wouldn't change, kept being no access. 20 minutes later after messing around, the disk is GONE from desktop and Finder....HOW DO I GET IT BACK?
thanks in advance to anyone who can help.

SO, i did this and it worked
Choose Go to Folder from the Finder's Go menu and enter /Volumes/ as the folder's location. Next, open the Terminal in the /Applications/Utilities/ folder while keeping the Volumes folder open. Type the following into the window:
chmod 755
followed by a space. Drag the volume in question into the Terminal window and press Enter. Log out and back in, and see if the drive reappears on your desktop
Now, my question is....how do i do what i want to do? How do i get my second user (standard) to not see or simply not be able to use the 2nd hard disk, while me, admin, of course can see the 2nd hard drive.

Can't boot from hard disk or from windows 7 recovery dvd

I have a 970A-G46 motherboard.
I can't boot from hard disk or from a windows 7 recovery dvd.
If I move the hard drive to another PC, it boots fine.
If I put the DVD in another PC's dvd drive, it can be accessed.
This machine will boot from an Ubuntu dvd and I can then access the HD directories and the recovery dvd.
What do I need to do?
Help and thanks

"I can't boot from hard disk or from a windows 7 recovery dvd."
What is that DVD from? Is it from a previous computer of some kind? Same question for HDD and the OS on it.

Just got a new hard drive w system X 10 8 2 - don't see my hard disk on the desktop - is this new or am I missing something?

Hi, just had to get a new hard drive for my Imac. Installed Mountain Lion 1 8 2 - I do not see my hard disk on the desktop. Is this new? or am I missing something?

Open the General tab of the Finder's preferences and check the box for it.
(74393)

Erasrd Zip Disk 250 IOMEGA Zip Disk icon dissappeared from desktop

I was experimenting for the purpose of learning how to erase a Zip Disk. It’s not necessary because you can simple remove existing folders from a Zip Disk and put new one on. This was sort of a controlled experiment.
This Zip Disk was a back up Zip Disk (removable media). So I made copies of the existing folders and put them in a safe place. So I did not lose data. I made backups for Folders on my Zip Disk and then deliberately erased the data on the Zip Disk itself.
I have an External IOMEGA 250 Zip Drive and I was using an IOMEGA 250 Zip Disk.
I went to (Mac Help) to get instructions on how to erase a disk or volume.
I opened Disk Utility I was instructed to select a Disk Volume or Image on the Left side of the window. On the left there was my
External Hard Drive IOMEGA icon 239.0 MB and under It was the classic (White) IOMEGA Zip Disk Icon 250MB.
I believe I selected my:
External Zip Hard Drive Icon 239.0MB IOMEGA ZIP 250.
Then in the dialog box to the Right I selected the (Erase) button. In the Erase dialog box I entered the following information:
Volume Format: I Selected Mac OS Extended (Journal)
Name: Zip 250
Check Box: Install Mac OS.9 Disk Driver
Regarding this (check box)
Mac Help Stated this:
If you plan to start up the disk in Mac OS 9 or if the disk will be connected to computer running OS 9 then check this box.
So I checked this box
Options Button: I checked (Zero All Data)
Erase Button: I hit erase
The erase procedure was not completed.
So I went back into the Erase dialog box this time I did not select anything from the
(Options Menu) Options were now listed as none.
I hit erase again and this time the erase was completed.
And upon completion I noticed that the (White) Zip 250 icon on my Desktop disappeared. I don't think that was supposed to happen.
I did notice that the External Zip Hard Drive was still listed in the Right Panel of my Disk Utility but the (White) Zip Disk250 icon had changed it now was listed as:
Disk1s9
But the Zip Disk Icon itself was not showing on my desktop
So apparently I did not execute this erase experiment correctly!
For learning purposes I would like to receive instructions on how to get the (White) Zip 250 icon to mount so I can re-use this Zip Disk. And In the process learn the right way to do something like this. And to understand what is actually taking place.
Let me save you some time, as you try to trouble-shoot what I have done, by telling you what action I have already taken to fix this.
I went back to my Disk Utility:
Selected the (First Aid) Button in an attempt to Verify and Repair Volumes:
I Verified the Volume it was OK
I also Repaired Volume and it said OK
I then ejected the Zip Disk from the Disk Utility and simply reinserted it again to see if the (White) Zip 250 Icon would now be displayed on my Desktop. But it did not.
I then ejected the Zip Disk and turned off my computer and turned it back on and tried again to mount my Zip Disk to my Desktop.
But to no avail
I then turned my computer off and upon restart I reset my Parameters
Zap the Pram, as they say and that did not work.
I then with the External IOMEGA 250 Zip Drive still plugged in to my USB Port; I again turned off my computer. While the computer was off I un-plugged the External IOMEGA 250 Zip Drive from the USB port and then plugged it back in, and turned my computer back on. I put my Zip Disk into my Zip Drive but it still did not mount the (Whit) Zip Disk Icon on my desktop.
Each time I ejected the Zip Disk and reinserted it a Message would display:
You have installed a Disk containing no volumes that Mac OSX can read to continue with the Disk inserted click (ignore) from following buttons"
(Initialize) (Ignore) (Eject)
Initialize simply opened Disk Utility.
So I then clicked (Ignore) and proceeded back to Disk Utility to mount a new image even though I did not need to retrieve any loss data. I thought what the heck, I will try it, may be I can get my (White) Zip 250 icon back on my desktop in the process.
So with Disk Utility opened from the above Main Menu I selected:
Image:
New:
Image from disk1s9
Results I got an Error-39 Message?
With that I gave up and came to the Discussion Board to find out what I actually did wrong and how to repair it, and learn the right way to do something like this.
I am guessing that the new Zip Disk 1s9 listed in the Disk Utility is a major clue. I am assuming it is in reference to OS 9.2.2, I did check that box during the erasing procedure to install Mac OS 9 Disk Driver?
I hope I have not done any damage to my OS9 Operating System or caused OS 9 to malfunction in some way.
I have not gone into OS 9.2.2 yet to check for any malfunctions.
Also I thought I would mention this External Zip Driver is about 4 years old, so far it has worked well on both OS9.2.2 and OSX 10.3.9
So, I think what I have done is pretty straightforward and I hope the solution is simple and straightforward.
I would like some help with this so I can learn more and understand what I did and how to repair things.
Worse case scenario I can just buy another blank Zip Disk

Beverly:
Welcome to Apple Discussions.
You apparently erased the formatted volume on your zip disk, so that Mac OS does not see it as a Mac disk.
Launch Disk Utility and select your zip disk (manufacturer ID) in left panel. Select Partition in the main panel. Name your Volume in the Name field. Select Volume Format as Mac OS Extended (Journaled). You are about to create a Mac formatted volume on a single partition of your zip disk. Click Partition.
Let me know if this works for you.
Good luck.
cornelius

OS 10.4.1 Start Up disk missing from desktop

Is it my imagination or do Macs these days have a proliferation of oddities occurring when you least expect it.
Anyway, my problem is that I booted up my Intel 2.66 dual this morning, it started up fine, system running, apps all there etc. But then I noticed the hard disk icon for my Start Up disk was missing from the desktop.
Its there, its mounted, its running the system, all my apps work but you can't see it to double click on it on the desktop and when you go into a finder window its not listed in the drives available.
Its mounted, its verified, its seemingly all okay but its just not visible on the desktop or in the finder window.
I can get to it by opening a finder window from one of the two other disks attached to the machine and then searching for something on that disk - ping - the file is returned in the finder window with the directory showing the Macintosh HD as its root. I can then select that in that finder window and it opens up the window for the disc.
Any clues as to why this might have happened and more importantly how I can get it back.
Cheers
James

Dale
Oh yeah - just updated it ! The 2.66 dual replaced my G5 Quad which died on me recently. I must say i've been pleased with it so far. I produce CGI work for architectural projects so speed is of the essence. Needs the ram though (possibly not the 8 gig I've got but that's so i can run four renering apps at once with 1.5 gig assigned to each - which incidentally works a treat). When i first got the machine it came with 1 Gig of ram and it was horribly slow, now it flies. Ideally I'd have got a 3 ghz machine but had to buy this off the shop floor in the local Apple dealer (Cardiff) and it was the only one they had.
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Disks disappeared from Desktop after 10.5.4 - 10.5.8v1.1 update

Hi,
a strange think happend today after a server update from 10.5.4 to 10.5.8v1.1 with a downloaded combo installer: After the reboot 3 of 5 1 TB firewire disks disappeared from the desktop! Just gone. What makes the whole thing really tricky: they show up in the disk utilities as mounted! Repairing them doesn´t change a thing. Disk Warrior doesn´t help. What´s even more mysterious: Opening the terminal, cd to the /Volumes folder ls shows folders for all five disks. But "ls -l" produces an "Access denied" error for each of the missing disks! It requires a sudo to show the permissions of the disks! What´s more disturbing: The permissions of the disks not showing up are ending with an "+" while all the other disks have an "@". But what really knocks me of that you can mount and work with the missing disks over the network! I really need help with that.
Greetings,
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Hello mibobby,
I'm seeing something similar to the problem you reported here. I my case there are 4 external hard drives connected to the Xserve 10.5.8. All drives are visible from Disk Utility, The Finder, and terminal. However, if a drive is plugged into another system, 10.5.8, or 10.6.2, the drives will not mount in the Finder. They appear in Disk Utility, but the volume appears as a blank piece of paper rather than a hard drive icon. If you navigate to the volume vial the terminal, you get an error indicating that you do not have permissions. Any thoughts would be appreciated.
Did you ever get your problem resolved?
Thanks
Dean

Hard Disk Recovery from a Dead Mac Book Pro 13inch

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Hard Disk Installation, from other OS with Grub 2

Hi all.
I'm quite new to Arch, but not very new to Linux / Unix / BSD.
Currently - on my laptop (not a very new one ... ) - I have other distro (One of the Canonical distro's ).
But I have few gigabytes left - and really want to try Arch.
Now I want - just for the fun of learning - to install from Hard Drive. (why waste a CD?)
The Arch Wiki has the page [wiki]Hard Disk Installation[/wiki], with the section "Chainload Grub from your Existing Bootloader".
This section explains about GRUB, not about GRUB 2. And my current other distro uses Grub 2 .
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How to do it with GRUB 2?
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In a word, No.
THIS IS WHAT I REALLY NEEDED TO KNOW.
1. Opening the iMac and installing your own HDD will immediately void the warranty.
THIS IS A GOOD ENOUGH REASON ALONE FOR ME NOT TO FIDDLE UNTIL THE WARRANTY HAS RUN OUT
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UNDERSTOOD.
For good advice on transferring from PPC to Intel I recommend Kappy's;
A Basic Guide for Migrating to Intel-Macs
THANKS FOR THIS TIP. I WILL LOOK AS AND WHEN.

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Hi
Yikes - I am in deep trouble !
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P.S. My machine is a Lenovo/IMB Thinkpad T60 "2007-F4G" with a 74GB hard disk.
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-62928#hdd

Hi shiphen,
please refer to this install instructions.
For further guidance check into this thread.
Follow @LenovoForums on Twitter! Try the forum search, before first posting: Forum Search Option
Please insert your type, model (not S/N) number and used OS in your posts.
I´m a volunteer here using New X1 Carbon, ThinkPad Yoga, Yoga 11s, Yoga 13, T430s,T510, X220t, IdeaCentre B540.
TIP: If your computer runs satisfactorily now, it may not be necessary to update the system.
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Boot Camp Hard Disk Visible on desktop to users

I am the system admin and have 2 different user account logins. The Hard disk is visible to both users on the desktop and they can open and access the contents. How can I make the drive invisible to the users so they can't mess with it or at least locked. This is a high school lab we're talking about...

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if you then enter
ls
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This reference might be of use:
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Message was edited by: nerowolfe

Hard disk icon on desktop not right

Hello,
When I logged into my imac today the icon on my desktop for the hard disk doesn't say "hard disk" underneath it anymore. Instead it says /'/:;'/'/l\\] If I go into Finder and Go the list of places I can go has the same thing there too. I restarted the computer and it's still there and I don't know why it's like that or how to fix it. thank you for any help anyone can give me.
Niki

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******Clicking the Thumbs-Up button is a way to say -Thanks!.******
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How can I extract the Thunderbird emails from the hard disk retrieved from a broken laptop ?

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Hard disks dissappeared from desktop

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