External hard disk not detecting

Hi, I am using WD 1 TB external hard disk and it was going all good till now one day my friend asked for my hard disk as he need to back up some data and connected it to PC. Now I am trying to connect it to mac but mac is not detecting.
My hard disk has all my softwares and other important data.
Need help ASAP

repair disk just checks for errors
likely its a PC formatted HD, thats why you cant read it
Formatting ERASES a HD, so dont do that to the other persons HD.
check what the format of it is. If its NTFS youd need an APP like Paragon to read / write to it.

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External hard disk not detected....

I wanted to try arch linux on an external HDD but when I booted the live CD and connected the External HDD i got these error messages
[60.426932] sd 4:0:0:0: [sdb] Asking for cache data failed
[60.426996] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[63.558865] sd 4:0:0:0: [sdb] Asking for cache data failed
[63.558928] sd 4:0:0:0: [sdb Assuming drive cache: write through
Please provide me with a solution...

x33a wrote:
What is the port type? USB2 or USB3?
The log doesn't contain anything other than these messages?
Does the drive work well with some other OS or distro?
See it was written that it works well with windows but i worked will with linux......
Its USB 3
and last I used it with Ubuntu and then Windows 7

Compaq CQ40-337TU hard disk not detected/#10008-replace hard

i bought a laptop compaq cq40 a past year(2009). now i.m using window 7 enterprise.. the problem is my hard disk not detected.. i have done the start-up test thrugh bios. everythg going fine.. when i.m trying to do check for primary hard disk 1, it show that #10008-replace hard disk 1. what the problem?? n how i wan to solve the problem without changing the new hdd, ofkos without buy new one!!! if any one can help me??

it only means you need to replace your hard drive.but if cant replace it then there are some ways to revive your hard drive but it doesn't mean it will last. you can search it on google revive hard drive.

Lenovo z400 touch (hard disk not detected in boot)

Greetings And Salutations.Laptop Specification:Lenovo z400 touchWin8.1 SGL1TB hard disk I seem to have problem with my laptop not being able to boot operating system.Before all this occurred, I was casually browsing with chrome. Then I noticed a freeze as I was unable to move the mouse pointer, or even execute ctrl shift delete command. This happened after I acquired a blue screen. But it restarted fast into the lenovo white logo before I could make of the error code.Afte that, I was not able to boot into operating system I did bios setup but hard disk is not detected. Until now I am still stuck at not being able to boot my operating system due to hard disk not detected and not in boot menu option..Help anyone? (my probable guess is hardware malfunctioned?)

berayen wrote:
Greetings And Salutations.Laptop Specification:Lenovo z400 touchWin8.1 SGL1TB hard disk I seem to have problem with my laptop not being able to boot operating system.Before all this occurred, I was casually browsing with chrome. Then I noticed a freeze as I was unable to move the mouse pointer, or even execute ctrl shift delete command. This happened after I acquired a blue screen. But it restarted fast into the lenovo white logo before I could make of the error code.Afte that, I was not able to boot into operating system I did bios setup but hard disk is not detected. Until now I am still stuck at not being able to boot my operating system due to hard disk not detected and not in boot menu option..Help anyone? (my probable guess is hardware malfunctioned?) If the hdd is no longer detected in the bios then the possibility is that you have a crashed hdd and therefore need to replace it. Just to be sure, go to bios and set everything to default. Save and exit. See if you can now see the hdd in the bios.

My external hard disk not working properly in my macbook pro . anyone help me . its seagate hard disk

My external hard disk not working properly in my macbook pro . anyone help me . its seagate hard disk

You need to get some software that allows your Mac to read and write to the NTFS disk. There's a whole bunch of stuff out there, but this program has a good review, and you can try it for free. I would move everything off of your external drive, reformat it into Mac OSX extended, and use it for your Mac. You don't need NTFS anymore, unless you still have a Windows computer that needs it.

Hard disk not detected during booting or also it does not show in boot menu.

hard disk not detected during booting or also it does not show in boot menu please tell

you may have a failed hard drive or bad cables, i would check first to see if the hard drive is powering on. if it doesn't try a different power connection, and if it still doesn't start spinning i would say that it is bad and get a new hard drive. If
it does start spinning and just isn't being recognized, try a different sata port if you have the option or a different sata cable all together.

External Hard disk not being detected.

External Hard disk is corrupt. It was plugged into an Xbox and fidgetted around. I think the kid playing with it clicked on format but before it could do anything i unplugged it. But in the process this drive is not getting detected any more and all the data on the drive is non accessable. Is there anything that can be done to recover the data?

but no partition
Yes, you interrupted a formatting.
Since the "other person" commanded a format (why?), which is very quick operation, youve got a nasty mess as per the HD.
This is why having a minimum secondary redundancy of all data on an external HD is necessity.
Remaining option is pricey data recovery specialists.

Hard disk not detected once, but now working?

Hi,
I'm Zak, a bit of techie when it comes to playing with software, or re-assembling computers and whatnot. Unfortunately I've got no clue about some other things.
A bit of quick history on my notebook: The fan has been making terrible noises the last few weeks. Initially I thought it was some dust so I got some duster. A lot of dust came out, so that can only be good, but the noises came back after a few days. After some searching I figured the other logical explanation was probably the hard drive going bad. I'm hesitant to send it back to HP because I use it for all my university work and it would really set me back a few weeks to not have it.
So, a few days ago, I booted up my notebook to a "hard drive not detected" - or very similar - message. There were a few options, for f1-f4, they were system information, and 3 different tests (I think). I ran the tests, each one came back fine, noting that there was no OS installed, or hard disk to boot from. I rebooted because I hadn't quite seen it boot up, and wanted to see if there were any other options. Turns out, it started up fine. I restarted once more and again, it did fine.
Next, I scrambled around, backing up all my data, getting together warranty info, installing the HP Support Assistant, etc. I ran all the tests from the Support Assistant and there were no problems detected. Since then I've just been hibernating the notebook when I stop using it, and I haven't encountered any unusual trouble. It all seems fine, but my warranty expires Dec 7th of this year. Is it safe for me to assume the "hard drive not detected" error was just a single misfire? I've read a lot of threads and FAQs on it and it doesn't sound like something that just happens once and goes away. On the other hand, I've never had to use a warranty so am unsure quite how the process works, and like I said, sending it anywhere would put me back in my work.
For the sake of a full post, I have an HP G62-367DX Notebook, running on Windows 7 64-bit OS, and as far as I know there were no changes made between the error and my prior boot. If there's any other information I can provide, just let me know.
Cheers, thank you very much for any assistance, and good day
This question was solved.
View Solution.

The tests from the Assistant are not as comprehensive or reliable as the full hard drive test in the BIOS....tap F10 as you power up, go in there and find the hard drive test. Run the long form test and see what is says. It is not unusual for hard drive issues to start as intermittent and gradually get more frequent. If your drive passes the long form test you can fairly safely assume it was a one-time gremlin of some sort, but it is still a real good idea to back up. I like the idea of the online backup services and I will name Carbonite only because it is well known and not as an endorsement. There are several more and an external drive is also a good idea.
You cannot put off a reboot forever; you are going to have to confront the issue at some point.

External hard disk not recognized by time machine

I have an external backup disk, Passport, that is no longer recognized by time machine or my computer. I used it a couple of weeks ago to restore my wife's MacBook. Hers is an older model and uses Lion. Since then my MacBook Pro--mavericks will not mount the external hard disk.
OKAY==after leaving the Passport on for a couple of hours it now is mounted. Don't know what happened, but it is now working.
CANCEL problems

I see it's now working but make sure you are running the latest version of WD software.
http://community.wd.com/t5/News-Announcements/New-Release-WD-SmartWare-Version-1 -3-6-for-Mac-10-5-10-9-11-25/td-p/628441

External hard-disk not working with firewire under Snow Leopard

Hi. I have a LaCie d2 external hard-disk that has Firewire 800, 400 and usb2. I previously used it on my old (angle-poise) iMac connecting using the Firewire 400 socket. I've just a got a new mac with Snow Leopard and I thought it would we best to connect to the LaCie with Firewire 800. However when I do this, the disc mounts ok, but browsing in the Finder is really slow and copying files from the disk to the imac seems to work at a really slow rate (less than USB1 speed) if at all ! However, I switched to using the USB2 connection instead and it works like a dream. What gives ? Is Firewire in Snow Leopard buggy ??

There's no problem with the drive.
Maybe true, and the drive would probably work fine with Leopard. One thing that's obvious is that Apple did make changes in the way that FireWire works in Snow Leopard. Many drives and drive manufacturers work well with SL, but there have also been reports of firmware issues by Western Digital and other companies.
Have you checked with your vendor to see if they are offering a firmware update for your drive?
BTW, I got a new FW case a few months ago while at a Fry's electronic store. The brand new USB2 and FW400 cables worked fine. The FW800 cable did not, but another cable came to the rescue. Just saying...

External Hard Disk not showing up on Finder

Hi
My HP Pocket Media Drive (USB), when plugged into my MacBook, does not show up on the Finder, even though it shows up on System Profiler. It only shows up on Disk Utility in certain occasions (such as after shutting down and starting up again). I have checked my Finder preferences, that external hard drives are shown on desktop.
I have tried resetting my PRAM and SMC too, but I still can't access the hard disk.
Any help will be appreciated.

Ian Sen wrote:
I get the following message in a window:
“connecting to server: resolving alias to… (my itunes folder on the external disk).”
On the chance that your Mac has a phantom folder in its Volumes folder, with that external drive not mounted, invoke the Finder menu option Go > Go to Folder. Enter "/Volumes" (without the quotes) in the field and click "Go". In the resulting window if you see anything with a name that resembles your external drive, trash it.
Anyone know how I can have the external hard disk automatically mount onto my desktop (and thereby bypass the need for several click-thru’s via the finder window)?
Once you're able to mount that external drive, open the Accounts panel of System Preferences and click on the lock in the corner to authenticate if needed. Select your account on the left, then the "Login Items" tab. Drag the mounted disk icon into the window then close System Preferences. That disk should now mount when you log in. A Finder window will open, but you can close that manually. If that bothers you sufficiently, if you search these discussion groups you may be able to find threads that discuss how to work around that.

Menu bar items disappear, and external hard disks not mounting

Hi,
This problem started yesterday. I start up my Mac, and none of the menu bar items in the top-right of the screen show up. Then I noticed that none of my external hard disks had mounted.
Looking at the Activity Monitor, I saw that sustemuiserver was not running.
Reading around, I discovered that this usually follows a FrontRow hack (which I haven't installed). I tried deleting the ~/Library/preferences/com.apple.systemuiserver.plist file and logging out and back in again. Everything seems to work again, for a while. However, the same thing happened this morning.
Has anyone else experienced this, and anyone know a fix to stop it from happening?
Thanks!
Tom

I've been having the same problem for a while (I believe since 10.5.3). I have reinstalled OSX, installed OSX 10.5.6 combo hoping that it would fix it, but nothing yet. I have the problem only when I insert an expresscard into the slot and restart. It connects to a PCI expansion chassis. When I restart with the ExpressCard installed, all menu items dissappear and I can't eject volumes (hard drives) from the desktop. If I restart without the ExpressCard in, the menu bars seem to work properly. I tried with an older G4 running 10.4.11, with a CardBus card and the same chassis, and that worked fine... all menu bar items displayed and worked properly and I could eject disks.
I have also tried creating new users, but that didn't work either.

External Hard Disks Not Mounting

I am having trouble with external hard disks appearing on my desktop.
Sometimes they appear, sometimes they don't. I have run Disk Utility when they do appear. No problems were found.
It seems to have started after I updated to iTunes 10.
Has anyone any suggestions?

No answer to your problem, I'm afraid, but I have been having similar problems but with CDs rather than external hard disks since I installed iTunes10-they appear greyed out in Finder.

New hard disk not detected on openboot

hello guys,
would like to request help if there are any settings i need to enable for a netra t1 to detect the new hard disks that were added on a dell disk array. the netra t1 is able to detect scsi hds 1-3 but not the 8-11. have checked netra t1 manual and it says that it supports both narrow and wide scsi. probe scsi only shows the following disks:
/pci@1f,0/pci@1,1/scsi@2
Target 0
Unit 0 Disk SEAGATE ST318404LSUN18G 8590
Target 1
Unit 0 Disk SEAGATE ST318406LC 8A03
Target 2
Unit 0 Disk SEAGATE ST318406LC 8A03
Target 3
Unit 0 Disk SEAGATE ST318406LC 8A03
the new disks are of the same model. any help is greatly appreciated.

Hello,
the netra t1 is able to detect scsi hds 1-3 but not the 8-11.
/pci@1f,0/pci@1,1/scsi@2
Target 0
Unit 0 Disk SEAGATE ST318404LSUN18G 8590
Target 1
Unit 0 Disk SEAGATE ST318406LC 8A03
Target 2
Unit 0 Disk SEAGATE ST318406LC 8A03
Target 3
Unit 0 Disk SEAGATE ST318406LC 8A03
This is an incomplete output of probe-scsi. Which of these disks are internal (maybe only ID 0?) ?
Set auto-boot? to FALSE at the ok-prompt. Temporarily insert one of the new disks in the slot of one of the detected disks (e.g. ID3). Is the disk now detected at the OBP ? If it is, there is something wrong with the external chassis.
I assumed that this is a Netra T1 AC200/DC200 with only a single channel SCSI controller.
Michael

[Solved] Hard Disk not detected

Currently i am using 4 hard drives and out of which 2 hard drives are detected and 2 are not. The fasinating thing is that in BIOS all the 4 hard drivers are detected and using a live cd i can access all the 4 drives without any prob. All the 4 drivers are working properly in windows7. It's just in arch linux 2 of my drives are not detected.
Recently i have upgraded my system from kernel 3.6.9 to 3.6.10
the drives are SATA drives. they are connected directly to the motheboard using SATA cables. the live cd i used was Ubuntu. I checked in /sys/block/ and with lsblk. In both of them i can see 2 drives sda and sdb.
Even check the dmesg, but there was nothing related to sdc or sdd. even on boot there were no errors.
They are NTFS formatted and always the 2 same disks are detected.
pls guide me as i am really freaked off due to this prob.
Last edited by creative2innovative (2012-12-26 05:37:55)

ewaller wrote:
How about rebooting, and then posting the output of dmesg. It will be long, so be sure to use BBCode 'code' tags. Alternately, install wgetpaste; pipe the output of dmesg through wgetpaste, and post the link wgetpaste provides here.
Edit: Never mind I see you updated with solved while I was posting. But what is the solution?
Thanks ewaller for the reply The prob was that, the capacity of my SMPS ( power unit ) was not sufficient to run 4 HDD + printer + 2 TB external drive. So this was the main reason. When i disconnected the printer and the external drive again all the 4 HDD were detected in my arch machine

External hard disk not detecting

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