'/boot/grub' is not readable by GRUB on boot
I'm installing Arch 64 bits from the August disc, and when I get to the part for configuring GRUB using 'grub-install /dev/sda', it just returns with the message "Path '/boot/grub' is not readable by GRUB on boot. Installation is impossible. Aborting."
Partition layout
sda1 Primary NTFS 24GB
sda5 Logical swap 8GB
sda6 Logical ext4 16GB
free space about 450GB
I've also tried having a separate boot partition, making the boot primary, making my root partition primary etc, but they all produce the same result
YngveM wrote:I had the same error, however when i just waited with the grub installation until after the "arch-chroot /mnt" command it worked like a charm
This seems to describe what some users (including me) are having: The order in which to mount & do stuff:
First: Mount your root partiotion to mnt.
Second: Create all other directories for partiotion (usr, var, boot, home, whatever...)
Third: Mount other partiotions
The problem: Users often create the directories before mounting anything (which cannot work, of course). When using pacstrap it will then create usr, var, etc. and assume they should be on root. My test if I did it right was: After running genfstab check that your fstab is filled with all expected entries. If that worked, your problem should not occur anymore.
Regards,
javex
Edit: Another indication might be that arch-chroot dies with something that says it can't chroot because it can't find /bin/bash or similar shells.
Last edited by javex (2012-08-06 16:11:06)
Similar Messages
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[solved] grub install fails /boot/grub is not readable
virtualbox install
single partition install (well, I have two partitions, #2 is / and #1 is the BIOS partition as defined in the install docs)
when I get to the stage of installing grub, I use :
grub-install --target=i386-pc --recheck /dev/sda
which fails with
Path '/boot/grub' is not readable by GRUB on boot. Installation is impossible. Aborting"
it is ext4
fstab looks correct. It shows one entry for
/dev/sda1 / ext4
I am not using UUID although when I did the result was the same.
when run with debug, the problem is
/usr/bin/grub-probe -t fs /boot/grub
results in path no readable.
when I run the grub-probe inside the chroot, I get error: unknown filesystem
haven't had this before. This is the first time I've tried a GPT install.
It is virtualbox 4.2.18
I
Last edited by timrichardson (2013-10-15 10:10:50)Ah, my mistake was an incorrect partition table back when I partitioned the disk. I did not make a partition table for GPT partitions.
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/boot/grub is not readable by GRUB?
During mid installation of grub after completing everything else on the beginners tutorial, the error when trying to install grub using the "grub-install --target=i386-pc --recheck /dev/sda" it appears with the error "Path '/boot/grub' is not readable by GRUB on boot. Installation is impossible. Aborting." May be a noobish question or problem, but how can i make the grub installation possible?
It doens't matter where you put that little partition.
Maybe you should try syslinux instead. It is stupid simple... I love it. Grub2 is great if you need to have your boot partition on LVM2 or some other crazy crap. But honestly, I think that 90% of the features are pretty much useless for a user like myself. Though I use LVM2 on Luks on Raid-0, but I keep a separate /boot partition anyway which doubles as my EFI System Partition.
Edit: During the month or so that I used Grub2, I actually upgraded computers during that time. So I had the EF02 partition at the end of my old computer's drive and the beginning of the new one, and both worked no problem.
Last edited by WonderWoofy (2012-12-22 18:16:36) -
External HD "Not Readable" after Boot Camp Installation
After installing Windows XP on my Mac, I switched back over to OS X and tried to access my external hard drive which greeted me with the message: "The disk you inserted is not readable by this computer." I assume that the Boot Camp process must've affected the external drive and made it incompatible with OS X. The external does show up in Disk Utility, but there are no options to repair the disk, only erase. Can anyone tell me how to reformat the drive, without losing all of the precious data on the disk, for OS X?
XP can't see Mac OS file system.
There is your drive, and your volume_name on the left side column. You have to click on volume_name and select the tab for Repair.
Best to backup before installing or updating any OS, and leave everything you don't need disconnected.
I doubt anything changed, should not have. -
HP Laserjet P1102w by USB "The disk you inserted is not readable by this computer"
My HP Laserjet P1102w used to work fine with OS X10.10. Then it started saying "The disk you inserted is not readable by this computer" whenever I switched it on, but the printer still worked. This morning it didn't. I uninstalled the printer, but can't re-install it - it isn't listed when I click "+". I have tried a different USB cable, and a different USB port - same message. The HP website does not provide a downloadable driver, as far as I can see. What do I do? (The wireless connection to the printer stopped working ages ago. The printer still works with our two PCs via USB.)
Hi Shapley,
Repairing the disk permissions can be done as following:
1. Open the the Applications folder.
2. Go to the Utilities folder.
3. Double-click on Disk Utility.
4. Select the hard drive containing the boot volume.
5. Go to the First Aid tab and select Repair Disk Permissions.
Note: This process may take several minutes depending on the Mac and amount of permissions that need to be repaired. The Progress Log will indicate when the process has been completed.
Next reboot your Mac and try plugging the USB again.
If the same persist, a such may also happen due to a conflict with the HP Smart Install feature which is Windows Based only and being wrongly read by the Mac, in order to resolve a such a Windows based PC will be required. any laptop should meet the purpose, the printer will be installed automatically by connecting the USB.
Next update and install the latest firmware below:
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=bi-115794- 2&cc=us&dlc=en&lc=en&os=4158&product=4110396&sw_lang=
Next follow the HP Smart Install Control Utility below: Select the Printer and follow the on-screen steps to disable the feature for the printer.
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=lj-129224- 1&cc=us&dlc=en&lc=en&os=4158&product=4110396&sw_lang=
NOw plug the USB back to your Mac and check for any difference
Please let me know of any change,
Shlomi -
External Hard Drive - "The disk you inserted was not readable"
Yesterday I bought a Seagate FreeAgent 500 GB external hard drive and I ran disk utility and had it erased and formatted for my iMac. Then I put all my video files and movies on there to free up some space on my main computer hard drive. The FreeAgent external hard drive showed up on my desktop right under the main hard drive and it was working fine.
Today I downloaded and installed Boot Camp and then installed Windows XP Home Edition. After I was done, I went back to OS X and now there's no icon for the FreeAgend external hard drive on my desktop and instead a windows pops up saying "Disk Insertion-- The disk you inserted was not readable by this computer" and my only options are "Disk Utility", "Eject", and "Ignore".
So I can't access my external hard drive now but I don't want to do the "erase" option on Disk Utility to reformat it since I have all my video files on there now.
I don't know what to do-- please help!!Contact Seagate for tech support.
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External Hard Drive not Readable & Input/Output Error?
I was using my OWC 300gb external hard drive for a while and it's worked great. I had a bunch of files on it, but I recently transferred everything to another external HD I have, which worked fine, so I could erase this 300gb one. I can't remember what happened, but somehow my Macbook doesn't recognize this hard drive. I think erased everything and then unplugged it without ejecting it first. Anyways, nothing is on the the drive anymore and I get this error message:
"The disk you inserted was not readable by your computer"
This pops up when I restart my Macbook. When I try to use Disk Utility, it greys everything out on the partition and Disk Repair tabs. On the 'Erase' tab, it will allow me to select Erase, but then gives me the error:
"Input/Output error"
Does anyone know how to get my Macbook to see my drive (so I can start to partition it)? For some reason only Disk Utility acknowledges it's there, Finder won't.
Anyone have any tips of what it is or what I can try? I did try to use my OS discs booting up holding C, but that doesn't work either.Hi there. Everyone is saying on these forums that the hard drive is failing...suck. I went and bought a new when I got input/output error and found that the new one showed the same input output error, making it impossible to partition the disk. Then the guy in the apple service center told me the new one was bad too, after having seen the code that came up related to my new scorpio 250 GB drive. Instead of sending it back, I took it out and installed the old one..however this time with a slihtly more of pressure on the tape holding down the hard drive cable between the hard drive and the circuit board. Amazingly, this time it didn't even show any hard drive at all! Then I understood what was wrong. It was exactly what was indicated an "input/output errror"! ..the cable was broken. I bought a new cable, well the Powerbookmedic sold it as new but it was an old working one that arrived. Immediately, after change of cable the old hard drive and now also the new 250 GB works perfectly! I remember that some interesting symptoms prior to all hard drive problems appeared, such as not being able to start up properly, strange blue screens, flipping question marks etc. I remember that shaking the comp occasionally worked to get it going. No wonder, shaking occasionally made it work and i believe the damaged cable maybe changed position and started conducting. The cable is very sensitive and probably should not be taped down so hard as the first service center guy at apple had done with mine when he fixed it the comp a few years ago. Polymers/plastics bent heavily become fragile/brittle with time and are specially sensitive under pressure/bent. Note that my old damaged cable still conducted and showed the hard drives but didn't work fully. I hope this will help someone, it took me 2 month to figure out..
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When I plug in my external LaCie drive I get an error message "the disc you inserted was not readable by this computer."
The only options offered are "ignore" or "eject"
Disk Utility sees the disc but does not give a repair option.
What can I do?The good thing about mac-centric resellers such as OWC, is they have people on staff that can answer questions without you buying things first. They also have how-to information, and instructions are included in many of their products. I saw a link to watch a DIY video in one of their pages; an example of a RAID (with its own power supply) is shown on their drives page. Also a few in there, with no power supplies, for less money.
If I were looking to backup and perhaps also have a partition for a system clone, I'd consider something like one of these: http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATA_FW800_FW400_USB
Some ideas on the RAID backup methods appear in google search, some of the pages are ideas and concepts; and the better ones also warn about using RAID for the only backup plan.
Oh, OWC has live chat. Haven't tried it, nor have I bought anything from them. I have what appears to be two products from them, but have not used either. One is in a box as-new, but has only USB2.0 ports & my Macs needed FW400/800. It has been said their RAM is a good way to upgrade, too. But I can't confirm!
A 'RAID-ready' unit for backup may be more versatile for just that, but I have not checked into these details. I use single HDDs in powered enclosures, and usually manually make backup clones to FW drives, of bootable OS X systems. Some of the OWC raid-ready use eSATA ports so that may not be viable for a computer without them.
The unused in-box external drive I have is like the base model in the link above. However mine is USB2.0 (maybe) and won't boot my older Macs due to hardware variance; and my preference would be for FireWire options, these models do offer that. But the one I have does not. Dual 500GB HDDs, and they could be used in tandem as a RAID. That would be a choice set up in software. I'm not sure and not interested enough to read up just now.
My backup method is not automatic, or a moving backup plan, if I don't get a move-on and make full system clones. I do make copies of photos and documents the manual way, to USB external drives; and occasionally backup to DVD or CD media. And USB flash, that helps to move files between computers without need to use file sharing via wi-fi. {Like Why fly? Walking is better exercise unless one is a bird. Squawk!}
https://www.google.com/#q=raid+backup+mac
Depending on the ports in your Mac, you may be able to use other cables to attach between a backup or externally enclosed hard disk drive with multiple partition and bootable clone in one of them. Not sure about the Thunderbolt, and where that is the main port, adapters are required to access other devices, as allowed.
Anyway, I am going on and on, yet not really saying anything.
My ideas would not be all that interesting to follow as a backup
plan when matching available newer hardware to task, but you
can get some into better ideas if you are not in a rush. Get a
good setup and then look into more an betterer stuff.
Good luck & happy computing! -
Need help with Mac & PC not recognizing external drive (disk not readable)
I am having trouble getting my computer(s) to recognize my Seagate External Drive.
Have tried on my MacBook, iMac, 2 Mini's & my roommate's PC and all reveal the same issue: The Disk you inserted was not readable by this computer.
MacBook/iMac both are working off of Leopard
Both Mini's are on Tiger
It won't show up in finder, rendering it unobtainable. I need to get the information if at all possible off of this hard drive (very important!!) so any help I can get would be greatly appreciated!
It allows me to go into disk utility where it shows up with this information:
Name : ST316002 3A Media
Type : Disk
Partition Map Scheme : Master Boot Record
Disk Identifier : disk4
Media Name : ST316002 3A Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 3LJ07T540000
Device Tree : /PCI0@0/USB7@1D,7/@4:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 149.1 GB (160,041,885,696 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 4
Partition Number : 0
And it is in the "about this mac" section with this information:
Seagate Mass Storage:
Capacity: 149.05 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk4
Version: 0.00
Bus Power (mA): 500
Speed: Up to 480 Mb/sec
Manufacturer: Seagate
Mac OS 9 Drivers: No
Partition Map Type: MBR (Master Boot Record)
Product ID: 0x0500
Serial Number: 3LJ07T540000
S.M.A.R.T. status: Not Supported
Vendor ID: 0x0bc2Additional info:
on the disk4s1 info in disk utility, this information is seen:
Name : disk4s1
Type : Volume
Disk Identifier : disk4s1
Mount Point : Not mounted
Connection Bus : USB
Device Tree : /PCI0@0/USB7@1D,7/@4:1
Writable : Yes
Capacity : 149.0 GB (160,022,790,144 Bytes)
Owners Enabled : No
Can Turn Owners Off : No
Can Be Formatted : No
Bootable : No
Supports Journaling : No
Journaled : No
Disk Number : 4
Partition Number : 1
so it looks like a whole lot of no's that need to be turned around! I can't understand why it won't be read by either Mac or PC with all of this, or how I can fix it -
My early 2010 MBP has started shwoing the following error when I insert a CD:
"The disk you inserted was not readable by this computer."
DVDs play with no problem at all and also, if I chose the ignore the ignore option to the CD error above, I can use the old Songbird app to rip music from CDs in to FLAC format - again with no problem. I ran a CD cleaner through the drive but no difference.
I have also tried starting the macbook with 'D' pressed to get the hardware diagnostics but this just gives me a white screen for a while before booting up normally.
Running Mavericks, Verified, disk and repaired permissions.
Thanks in advance.I've already used a cleaning CD to no effect.
It still reads CDs using songbird, however I can no longer import them into itunes. I've tried redownloading itunes as well.
I have since dug out the CDROMs/DVDs that came with it(which play ok) and did a 'D' restart to do a diagnostics test and it didn't find any errors at all. -
External HDD: "The disk you inserted was not readable by this computer"
Hi,
I have an external drive with important data on it (there is a backup, but there is also some non-backuped data as well...). I cannot access the external drive because I receive a "The disk you inserted was not readable by this computer" message connecting it. I was wondering, if you have some advice on how to get my data back?
I have a WD Elements 2 TB (about 2 months old), I am using is with an iMac, latest Snow Leopard. The drive used to work all fine. Now, I receive a "The disk you inserted was not readable by this computer" every time I connect it. Same thing happens if connected to my MacBook Pro.
What happened?: I was copying files to the external drive. I the middle of it, I received a message complaining I that assumedly ejected the drive by pulling the USB cable out instead of properly ejecting it software-side (I did not do this). The drive symbol was gone. Now, I plug the drive out an reconnected it. The drive symbol showed up again. I continued copying files on the drive, but after some 30 seconds, I received the same error message again. One more time, I disconnected and reconnected the drive - this time to another USB port. The drive showed up, but I was not able to copy files on it (I am using muCommander, it just kept showing 0kb progress). I restarted the Mac. Since then I am getting the "The disk you inserted was not readable by this computer." The drive symbol does not show up anymore.
I was googling the problem: in one forum there was a suggestion to click "initialize drive" and than to "repair" in DiscUtility. I clicked initialize drive and the drive is shown in DiscUtility, but "repair" and "verify" are greyed out. I read more posts on it, one posts suggested NOT to click initialize because that means format in Mac OS language (btw: ***, why is it not called format).
That is the situation at the moment. What is the best - if there is - way to get my data back? DiscWarrior?
I very much appreciate your advice!
Daniel"Initializing" a drive has been normal computer terminology for decades. "Formatting" generally referred to the high-level preparation also called "erasing." None of this is "Mac OS language."
Disk Warrior will not likely fix the problem you have. DW can repair a damaged directory, but your error suggests an even worse problem of directory corruption. I suggest you try using DW if you have it. Visit the Alsoft site to determine the limitations and usage of the version you have. It may not be able to boot your computer depending upon what version of DW you have and how new your computer is.
If you have no success with DW then see the following:
Basics of File Recovery
Files in Trash
If you simply put files in the Trash you can restore them by opening the Trash (left-click on the Trash icon) and drag the files from the Trash to your Desktop or other desired location. OS X also provides a short-cut to undo the last item moved to the Trash -press COMMAND-Z.
If you empty the Trash the files are gone. If a program does an immediate delete rather than moving files to the Trash, then the files are gone. Recovery is possible but you must not allow any additional writes to the hard drive - shut it down. When files are deleted only the directory entries, not the files themselves, is modified. The space occupied by the files has been returned to the system as available for storage, but the files are still on the drive. Writing to the drive will then eventually overwrite the space once occupied by the deleted files in which case the files are lost permanently. Also if you save a file over an existing file of the same name, then the old file is overwritten and cannot be recovered.
General File Recovery
If you stop using the drive it's possible to recover deleted files that have not been overwritten by using recovery software such as Data Rescue II, File Salvage or TechTool Pro. Each of the preceding come on bootable CDs to enable usage without risk of writing more data to the hard drive. Two free alternatives are Disk Drill and TestDisk. Look for them and demos at MacUpdate or CNET Downloads.
The longer the hard drive remains in use and data are written to it, the greater the risk your deleted files will be overwritten.
Also visit The XLab FAQs and read the FAQ on Data Recovery. -
External Hardrive not "readable" by my computer anymore....
So the other day my Samsun 200gig external hardrive was working..and the next thing you know it...the drive becomes "not readable by your computer" AGH...how frustrating. The Utility Disc also says that there are errors when trying to repair the disc.
These were the errors: The underlying task reported failure on exit.
Repair error: could not read boot block.
I have so much crap on my external drive..and I bought it new in Japan 5 months ago! AHHH..help! Thanks!!
Mac Book Mac OS X (10.4.8)Hi,
I had a similar problem and it responded to several different approaches.
1. Make sure all is up to date in software update
2. Connect to different port
3. Vary the connection setup, start up with ext HD attached and turned on.
4. Do the opposite of 3
5. You might zap the pram( info in your booklet)
I hope perhaps that some of these might work, good luck
Slán
Dave -
External Disk Not Readable by OSX after Setting Drive Letter in Windows 7
My external hard drive, which was previously formatted as Mac OS Extended (Journaled), contains all of my purchased music. I have this external drive connected directly to my iMac via USB. My iTunes in OS X points to this drive.
After installing Boot Camp, I was able to read this external hard drive in Windows 7, but I changed the drive letter used in Windows 7 from E: to G:. Bad idea, apparently...
Now when I boot into OS X, I can no longer read the drive (although I can read it in Windows 7 just fine). I get the error message:
"The disk you inserted was not readable by this computer." [Initialize] [Ignore] [Eject]
When I use Disk Utility to attempt to Repair Disk, I get the following error:
"2010-11-24 08:43:41 -0800: Verify and Repair volume “disk2s2”
2010-11-24 08:43:41 -0800: Starting repair tool:
2010-11-24 08:43:41 -0800: ** /dev/disk2s2
2010-11-24 08:43:41 -0800: Invalid BS_jmpBoot in boot block: 000000
2010-11-24 08:43:41 -0800: Volume repair complete.
2010-11-24 08:43:41 -0800: Updating boot support partitions for the volume as required.
2010-11-24 08:43:41 -0800: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files."
I've searched for this issue in these forums and on the web and have not yet found a solution.
Is there any way to repair this external drive so that I can again read/write to it in OS X (WITHOUT losing my music)?
Thanks!I had this exact problem. I bought a 1 TB My Book, formatted it with Disk Utility, and completed a successful backup. I also had some home videos on it and was using about 40% of the drive. One day, about a week later, I had the same "disk unreadable" message and soon panicked. Tried everything, but finally spent $100 for Disk Warrior and I was able to get my videos off, but it wasn't able to fix my drive, DW said I didn't have enough memory.
I reformatted and put my videos back on, but now will use a different drive for backups, so if it fails again I only lose my backups. -
"The disk you inserted was not readable by this computer" on NTFS ext HDD
I have spent hours trying to find a solution to this problem, but alas - nothing really useful came up. Therefore I now turn to you, Discussions - you're my only hope!
And to the case:
I just got a brand new shiny and aluminiy MacBook Pro a couple of weeks back, and since my last laptop was a PC, I have been very content ever since switching.
However, this week I bought a new Lacie 2TB external HDD (also shiny) and backed up a lot of stuff from my Windows days.
I partitioned it in Windows and made two NTFS partitions (approx. 1.8TB + 200GB). It was not an option for me to partition it to HFS, as I need it to exchange files between my Mac (using ntfs-3g) and my (and other) Windows computers (and a lot of files exceed the FAT32 file size limit).
Unfortunately when I connect to my MacBook Pro (and my old 2005 PowerMac G5) it gives me the "The disk you inserted was not readable by this computer", and I am not able to verify nor repair it in Disk Utility. It doesn't even show the partitions correctly, it only weirdly enough shows a 3 megabyte partition and 329.70 megabytes of free space.
It still, however, works fine on my Windows computers. I also have the 1TB version of the same Lacie HDD also with two NTFS formatted partitions, and that drive shows up nicely on my MBP.
Does anyone know how/have an idea on how/have a magic potion to fix this?
- I have run chkdisk on it on my Windows comp and it showed no errors.
- I have also tried booting Snow Leopard in 32bit kernel mode (as someone presumably had that help earlier) but with no luck.
- I've connected it both via USB and FW. Same problem.
- I've installed and later uninstalled NTFS-3g and MacFuse - no change.
- And as mentioned I've connected it to my PowerMac G5 (w. Leopard), that also couldn't read it properly.
It is not an option for me to reformat it right now, as I have nowhere to back up that drive (and buying another new external drive is out of the question, as I semi-accidentally spent all my money on the new MBP ).
Anyone helping me solve this issue will receive 10 units of my deepest gratitudes (and maybe a couple of muffins, should the person drop by some time).
Thanks in advance.Well it seems to work somewhat now, after some playing around.
And here's what I did:
- I downloaded the bootable System Rescue CD
- I booted it up from my PC. And entered the TestDisk utility, where I resaved the partition table (even though it already showed up fine). (If you don't have an extra PC to boot from, the TestDisk utility can also be installed on Mac OS, I just don't have the skills to do that).
- Tadaa! Now I was able to read the disk and its two partitions (one NTFS and one exFAT) on my MacBook! But... When I plugged the external drive into my PC again it didn't show up anything, and in the disk manager, it detected the drive structure as being all unallocated space.
Upon plugging it into my Mac again, it once again showed my old fiend, the "The disk you inserted was not readable by this computer" error. Sigh.
- So once again I booted up the System Rescue CD and TestDisk, and rewrote the partition structure. One weird thing was, that TestDisk this time detected the disk as being mac formatted, so I had to manually select the "Intel/PC" structure option. After rewriting the structure the disk once again it showed up nicely on my Windows PC.
- Before plugging it back into my Mac, I decided to try and install MacFuse and NTFS-3g.
- Since MacFuse doesn't apparently support the 64-bit kernel mode, I booted up my MBP in forced 32-bit kernel mode and voila - I could now read (and write) to my NTFS disk and connect it to my PC and back, without it messing up again.
I won't mark this issue as solved just yet, as I will need to see if it lasts. Also it's not really a lasting solution to be forced to boot into 32-bit mode, so I'll have to see if there's another way at some point.
Message was edited by: Nilfisken -
I plug in my printer and I get a message that says, "the disk you inserted is not readable." It didn't do this before but after I installed a segate hardrive software. I have removed the segate hardrive software but the message still appears. What can I do to remove this error.
Please read this whole message before doing anything.
This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.
These steps are to be taken while booted in “normal” mode, not in safe mode. If you’re now running in safe mode, reboot as usual before continuing.
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.
Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then copy it. The headings “Step 1” and so on are not part of the commands.
Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign.
Step 1
Triple-click the line of text below on this page to select it:
kextstat -kl | awk '!/com\.apple/{printf "%s %s\n", $6, $7}' | open -f -a TextEdit
Copy the selected text to the Clipboard by pressing the key combination command-C. Then click anywhere in the Terminal window and paste (command-V). A TextEdit window will open with the output of the command. If the command produced no output, the window will be empty. Post the contents of the TextEdit window (not the Terminal window), if any — the text, please, not a screenshot. You can then close the TextEdit window. The title of the window doesn't matter, and you don't need to post that. No typing is involved in this step.
Step 2
Repeat with this line:
{ sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix)|org\.(amav|apac|cups|isc|ntp|postf|x)/{print $3}'; sudo defaults read com.apple.loginwindow LoginHook; sudo crontab -l; } 2> /dev/null | open -f -a TextEdit
This time you'll be prompted for your login password, which you do have to type. Nothing will be displayed when you type it. Type it carefully and then press return. You may get a one-time warning to be careful. Heed that warning, but don't post it. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step.
Step 3
{ launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)/{print $3}'; crontab -l 2> /dev/null; } | open -f -a TextEdit
Step 4
ls -1A /e*/{la,mach}* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts .la* 2> /dev/null | open -f -a TextEdit
Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting.
Step 5
osascript -e 'tell application "System Events" to get name of every login item' | open -f -a TextEdit
Remember, steps 1-5 are all copy-and-paste — no typing, except your password. Also remember to post the output.
You can then quit Terminal.
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