Osx boots up but "hangs" at desktop screen

I recently upgraded osx to 10.5 about 4 weeks ago without any issues. Until today where I boot up my machine, boot up gets past the apple logo but once the desktop screen is loaded the machine gets stuck. None of my folders are visible on the screen and the machine appears to repeatedly attempt to load up the desktop but continues in that cycle. I am not able to open the disk tray (initially I thought a re-install might help). At present there is no way to use my mac
Any ideas on what this might be and how I can rectify it?
I hope that is sufficient info for starters
Thanks
Adam

Hi Adam,
The tray should open if you hold the mouse button down at bootup, if you also hold the Option/alt key down you should get the boot manafer to dhoose boot device.
It sounds like some Disk Corruption.
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)

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T60 will not boot - lights, but nothing on the screen, no beeps

Hey everyone,
My approximately 4 year old (and thus out of warranty) T60 is having trouble booting. Sometimes, but not always, when I press the power button I get the lights turning on, but then all but the power (Z in a circle) indicator and the battery (if I have it in - I've tried it with and without) and the power cord (if that's plugged in- again, tried every way) lights stay on. Here's a video of exactly what's happening (made by someone else):
http://www.youtube.com/watch?v=Pm4Lklr6-Rk
It just sits there and nothing comes up.
I've tried the following and still had trouble booting:
Removing each of the two RAM modules (I have a 512 and a 2gig stick) - I would leave one in so that it would work, but I tried it with each.
Removing the hard drive
Removing the optical drive
I also opening it up to see what I could see, but there are no clearly loose connectors. The fan starts just fine, but then turns off shortly after I press the power button. The harddrive also seems to spin up, but the indicator doesn't flash for very long before the lights return to the configuration I mentioned above. There are as far as I know no beeps, though I had beeps disabled in Windows (not sure if that matters at the POST level though).
However, it does sometimes boot up. I can't tell what exactly makes it work sometimes and other times not. When it does boot, it is extremely stable and works just fine. I'm tempted to just leave it on 24/7, but I'm on vacation and will have to turn it off at least to get through airport security.
The last time, I tried holding the power button down for about a minute with all power sources disconnected, and it did boot up, but that may have been coincidence.
I've seen some threads that make it seem like perhaps this problem might be related to the USB ports (http://forum.lenovo.com/t5/T400-T500-and-newer-T-series/T400-won-t-boot-can-t-access-BIOS/td-p/20280... but visual inspection doesn't reveal anything wrong with them.
Any ideas? I'm leaving it on as long as I can now, but I can play more with turning it off and trying things once I get back home in a few days. It's frustrating, since once I get it to start up, it's more or less solid and Windows and all peripherals seem to run as expected.
Thanks!

Try the DIMMs one at a time

Blue screen on startup- only application accessible is iTunes by hitting f8 osx 10.6.8, Safe booting works but otherwise no login screen comes in, is this maybe a popad malware thing? what should I do

when starting up I get a blue screen with no dock, I can access some application by hitting f8 which opens iTunes, from there i use the apple icon in upperleft to go to recent items. There is trouble printing from application or web sites. IF this is a malware thing what should i try to fix it?

Perhaps however what we need is a EtreCheck report of the system if you can. Please download and post your EtreCheck report and we can then look for obvious issues.
http://www.etresoft.com/etrecheck

Having problems booting p45 diamond, hangs on logo screen, entering bios.

Hello to all. im new here but been reading these forms for a few months now, and learnd alot from here by just reading. i manage to get my q6600 GO stepping to 3.8ghz.everything was going fine until recently when my board sits at the logo screen and just hangs there,i then hit ctrl alt del to restart it and it attempts again sometimes on the second attempt it works sometimes i have to clear the cmos after trying like 10x.
i have cleared the cmos and loaded advance setting and ran it at stock speed and it still did the same.
sometimes after clearing the cmos it hangs, doesnt even get to that screen where you have to press f1 to configure the bios.
after it finally boots windows it works great, i regularly keep it at 3.4 and i ran prime95 last night for 10hr with out any errors.
oh and i have tryed to run memtest86 but it dosnt want to boot from the cd. boot menu doesnt even come up sometimes.
i think there is a problem with the boot sequence, i thinks thats whats causing the problem because i whent to format a hard drive i had and uninstalled my main hard drive poped in the windows cd and restart it and nothing happens. i then try to go into boot menu and it just hangs. so then i go into bios (several attempts later) and set the cd drive first and save exit restart and still doesnt boot from disk. the light on the drive doesnt even come on.
please if you can help i'd appreciate it.
thanks in advance.
my specs are..
p45 diamond/bios 1.6b5
q6600 Go slacr @3.4
4gb corsair ddr3 2x2gb 1333mhz in dual mode
400 GB samsung HD400LJ 7200 RPM 8MB buffer SATA
Lightscribe DVD-+R/RW SATA
XFX 4870 1GB
Thermaltake Big water 745 cooling NB & CPU
pc power & cooling silencer 750W single 60A rail
windows 7 7264 64-Bit
thank. alex

Quote from: Wonkanoby on 09-August-09, 14:25:52
your very aware of what
as to me you come across very ignorant
I didn't notice i spelled your name wrong.
Well the hard drive is my lease concern I'm worried about the system running.
Quote from: Wonkanoby on 09-August-09, 14:00:43
if you raid 0 2x 400 GB drives
bearing in mind they are not rally 400true GB but really some thing around 370
you will have an array of around 2x 370GB= 740 GB approx
http://en.wikipedia.org/wiki/Gigabyte
read that
The definition Wasn't usefull sorry.
Quote from: Wonkanoby on 09-August-09, 14:35:24
you asked a question
Do you know how manny GB i'll have free if i install another sata 7200 RPM 400GB hard drive??
that i answered for you
than you give me and abuse
well i suggest you just off
You started i mistakinly spell your name wrong.
honest mistake.
and thanks for the feedback.

Curve boots up but stick on loading screen

HELP.
I have rebooted & wiped the curve ended up having to go into SAFE MODE to accept something, now the phone will power on to the loading screen but that is it.
The bar scrolls across to the right, gets all the way over and then stops. The phone does nothing.
Have tried rebooting into SAFE MODE again but it won't even let me do that now.
The phone then goes into standby mode, ie. the screen goes blank until I press a button which results in the loading screen appearing again.
Can anyone help please.
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Hello mcm-rkm,
Perform a reload or upgrade the BlackBerry Device Software. For more information on this procedure see the following article: http://bbry.lv/9rlgtK
Cheers,
-FB
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Be sure to click Kudos! for those who have helped you.
Click "Accept as a Solution" for posts that have solved your issue(s)!

PowerMac G5 boot up but freeze at apple screen

Hi guys...
I have A PowerMac G5 and when I turn on my computer i hear the chime sound,fans and everything looks like is ok. but the computer wont to startup so the computer freeze on apple startup screen and the fans star sound very loudly...
I hope guys can help me...

From this thread: http://discussions.apple.com/thread.jspa?messageID=1689204&#1689204
See if you can run these.
Run fsck.
1. Reboot/Startup holding your Command-S key down.
2. At the command line type the following and hit 'Return.'
/sbin/fsck -fy
3. After it has check/repaired your disk, type 'reboot' and hit 'Return' again. Unit will bootup normally
======
Do an Open Firmware reset: Hold the CommandOption+OF keys during startup. At the '>' prompt type:
reset-nvram
Return
set-defaults
Return
reset-all
Return
-Bmer
Mac Owners Support Group
Join Us @ MacOSG.com
 An Apple User Group 
MacOSG Podcast >>
Beyond that, the only advice I have is to re-install the OS as outlined above. Maybe someone else can chime in with other recommendations.
Mike

Hi i have a powertowerpro 225 built in1996 its been in storage for 12 yrs was working fine then it boots up but no image on screen help thank u

Its a Mac clone that was sold 4 to 2 yrs I have 2of them and both have the same problem can't get them on the screen and any help would b nice thank u.

Helmut,
What happens if you connect headphones or external speakers? Can the startup sound be heard then? Otherwise, there could be a problem on the logic board (this may be merely audio-related, or something more fundamental).
Even if a startup sound cannot be heard, nor anything seen on the screen, does the hard drive appear to be active (clicking, as during a normal startup sequence) after the computer has been turned on?
Have you tried using a magnifying glass to inspect the video and logic boards inside the computer (looking for leaking/bulging/discoloured/cracked electronic components)? Leaking electrolytic capacitors can be the cause of various problems.
You indicated that it is a 14" Mac monitor. Normally, that would mean a DB-15 plug (with 15 pins in two rows). Under your Older Hardware topic (https://discussions.apple.com/thread/6856695), you mentioned that the plug only had 10 of 15 pins. It is not possible to say whether or not the ten pins are sufficient without knowing their exact positions. Please note that special sense codes were used in order to tell Macintosh computers the type of monitor connected (you may want to search for "Sense Lines" at https://developer.apple.com/legacy/library/navigation/ for further information).
Could you borrow an older (CRT) PC monitor with a VGA plug (HD-15/DE-15, with 15 pins in three rows) just for a test?
Jan

Osx boots, but freezes

(This has been posted in the boot camp forum already)
I have a problem
Boot camp has worked great for as long as it has been out. This morning, my computer decided it can't use OSX. OSX boots up, but freezes after about 20 seconds. It doesn't matter if I let the machine idle or use programs.
I ran the hardware diagnostics and did the drive repair, but nothing was wrong with the computer. Windows works just great, so the problem is not RAM.
I am speculating that Boot camp is the culprit, but am not really sure what is the problem.
Hopefully there is some way to fix this. I don't really want to repartition the hard drive.
any help would be appreciated

I am having the same problem on my MBP. I had Bootcamp/WinXP installed up until about 10 days ago, after which I used the BootCamp utility to remove the Windows partition. Everything worked fine for the next week or so, until 3 days ago. When I press the power button, it starts to boot up, and before the grey Apple logo is displayed, a folder with a question mark shows up for just a second, and then it continues to boot into OS X.
Once the OS finishes loading, I have just around 30 seconds to do whatever before the system locks up. It will lock up no matter what I do during those the first 30 seconds (do nothing, or open a bunch of apps).
What exactly did you do with Version Cue to fix the problem?
Thanks

Desktop Screen

When I started my laptop it showed the startup screen, then I entered my password and after loading it went to my desktop, but I am unable to view my desktop.
I know it because alt+Ctrl+del shows the task manager but not the desktop screen.
Pls HELP
This question was solved.
View Solution.

Hi,
Try the following and let me know.
Boot the computer normally and log-in.
At the black screen, hold down the ctrl and alt keys and press delete.
Select Task Manager.
In the bottom left select More Details ( if it's not already selected ).
Click in the Name column header to arrange the processes in alphabetical order.
Look for an entry called Run Once Wrapper (RunOnce.exe) - if you see it listed, right click on it and select End Task.
Does the Desktop now show?
If it does, download Autoruns on the following link and Save it to your Downloads folder.
http://download.sysinternals.com/files/Autoruns.zip
When you have this, open your Downloads folder, right click on the zipped Autoruns folder, select 'Extract All...' and in the following window, click the Extract button.
A new window will open showing the extracted contents. The application you need to launch is the 2nd in the list ( autoruns size 636Kb ) but do this by right clicking on it and selecting 'Run as Administrator' - click 'Yes' to the uac prompt.
Scroll down the list until you find the RunOnce entry ( there may well be 2 entries ) and remove the tick(s) from the box next to it.
Restart the notebook and see if it now boots to the Desktop.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

How do I replicate a desktop screen or have a choice of filters for one screen?

I have built a reasonably elaborate desktop screen in Lightswhitch and I would like to use it with different filters. For instance, lets say I have an Order entity with Fields 1-100. I would like to be able to launch my elaborate screen where Field1
equals "Yes" at one time but at another time I would like to launch the same screen (or one just like it) and bring up a data set where Field2 equals "Yes" in order to bring up a different dataset. The only
way I can currently do this is to manually make a replica of the screen and set different filter parameters. I have seen instructions on how to make an html screen templates but none for desktop screens.

You would usually achieve this using standard LightSwitch query with a set of optionally search parameters. Bind the parameters to local scalar properties and manipulate the search parameter settings in code and/or let the users enter values on the
screen.
There are more generic style advanced patterns. If you really need to clone a screen there are threads already with notes on manually doing this or use or AIDE for LightSwitch screen workbench VS extension.
Cheers
Dave
Dave Baker | AIDE for LightSwitch | Xpert360 blog | twitter : @xpert360 | Xpert360 website | Opinions are my own. For better forums, remember to mark posts as helpful/answer.

HELP! iMac G5 hangs at blue screen, but boots in Safe Mode

Please can anyone guide me to recover my iMac G5 PowerMac 8,2 running OS X 10.4.11.
Problem; Mac hangs on start-up at blue screen after grey Apple screen. Mouse pointer eventually appears but that is all.
Actions taken so far without success:
1. Disconnected the printer and rebooted - no success.
2. Booted in Safe Mode - first time the screen was completely scrambled but with safe mode log on screen showing through.
2.1 Rebooted in Safe Mode OK This has not occurred again and I have entered Safe Mode twice more without problems. But worrying!
2.2 In Safe Mode I ran disk Utility and verified and repaired Permissions, mostly old EpsonPrinter files.
2.3 I also verified the Disk, which was reported OK.
2.4 I was able to save critical documents to USB............ Phew!
2.5 Reboot in Normal Mode - no success
3. Reset PRAM
3.1 Reboot in Normal Mode - no success
4. Reboot in Safe mode - works fine. NOTE: time and date appear to be correct and dont need resetting.
4.1 Run Disk Utility again and Verify Permissions - OK. Nothing needed fixing.
4.2 Run Disk Verify - Passed OK
4.3 Reboot in Normal Mode - no success. Hangs at blue screen with mouse pointer visible and working. Then pointer vanishes.
I would be most grateful for your help in moving this forward

Got to figure out which which of the things dropped when you boot in safe mode is causing the problem.
see this link:
http://support.apple.com/kb/HT1564?viewlocale=en_US

Hanging on blue screen during boot (but Safe Mode OK)

Strange stuff with my iMac G5 -- machine boots normally, gets through Apple icon and spinning spiral, then hangs on blue screen and stays there. Mouse cursor moves but that's it.
Safe boot works normally, all safe-mode functions good. But need network, other services back.
History: Spent most of past week downloading huge, multi-gig file. It eventually downloaded successfully, but during process my wife put computer to sleep a couple of nights without halting download.
Didn't have adverse effect first time, but it froze Finder second and third times, necessitating reboots. Also killed wireless connections for all PCs in network those two times iMac needed reboot, had to reboot gateway as well.
Morning after download finished (Friday), iMac failed to wake up from sleep, wouldn't boot normally, had to go into Safe mode.
Additional RAM was recently installed, but has worked well. Safe mode shows full two gigs in use.
Solutions I've tried, without success:
-- Trashing network preferences in both user and system
-- Re-installing Finder and NetworkInterface apps using Pacifist
-- Removing recently installed extensions in System (extensions put back after that failed to resolve issue)
-- Removing recently installed Startup items (again, put back after that failed to resolve issue)
Clearly it's got something to do with the network interface, but I've tried everything I know how to do. Any ideas? I'm out of them.
Thanks in advance.

The Airport card is not removable in this model -- 2nd rev G5 iMac, with automatic light sensor.
But -- I think I've found what's wrong. Unfortunately there's no easy fix ...
It's most likely the bad-capacitor issue that plagued the 1st rev of G5 iMacs. (This particular machine was a refurb bought direct from Apple in the fall of 2005, so it's possible bad caps were put on during the refurbishing.)
I first heard about the problem a couple of days ago but figured a hardware diagnostic test would catch it. More online research reveals that the hardware test doesn't.
When I popped the case this morning to yank the new RAM, there were definitely a few capacitors that had domed tops. Nothing spilling out anywhere, which was what I was looking for, but I've since found out that even contained bulging is a sign of failure. The capacitors should be instead perfectly flat-topped.
So ... I'm gonna call Apple tomorrow morning and see how much it would cost to replace the mobo. There have been reports in forums that Apple sometimes offers to do it for free, even in cases occurring within the few months.
See this link for examples of Apple picking up the tab for complete mobo replacement: http://www.macosxhints.com/article.php?story=20090314071508354
If that offer isn't made, I will look into having the capacitors replaced. This is at the edge of my own technical abilities so I will first ask my techie friends if they can do it for $100 or so, plus parts ... and if not I'm gonna try to do it myself.
This guy shows you how and sells inexpensive parts to do it with: http://jimwarholic.com/2008/07/how-to-repair-apple-imac-g5.php
There is also a guy out in Missouri who replaces bad capacitors on motherboards for a living: http://www.badcaps.net/ Looks as if he'll charge between $80-120 including shipping and parts. So I may go that route.
In any case it turns out Apple did know about this issue back in 2005 and even instituted a program to fix iMacs that had problems stemming from it for free. (Dell Optiplex machines also had the same problem, which was traced back to a few Taiwanese manufacturers.)
Unfortunately there was no recall (Apple would never have lived that down) nor was the issue highly publicized. You had to wait until your own machine acted up, and then the free-repair program expired at the end of 2008.
I myself never knew about it until a few days ago, and I usually keep up on this stuff -- which is something I will make very clear when I'm on the phone with Apple tomorrow.

When booting on alt, only my external HD (ccc backup) shows on screen. I can't select my windows partition nor my OSX partition. But when booting normally osx boots perfectly.

when booting on alt, only my external HD (ccc backup) shows on screen. I can't select my windows partition nor my OSX partition. But when booting normally osx boots perfectly.
In osx, all three partitions show when i go to preferences-... (osx is selected as default boot disk)
i don't dare to select windows as osx doesn't show on boot with alt
thanks for your help.
eric

Try a PRAM reset:
PRAM RESET
Zap the PRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

Won't boot, hangs on blue screen

i was doing a software update of a bunch of things and the system ended up hanging for a very long time so i did a hard restart. when i turned it back on it went on very slowly, and got hung up at a blue screen.
i did another hard restart and it came on (slowly) but when the desktop loaded it only loaded the dock, and kept having an error dialog box pop up that said that 'Spotlight' was not loading, i could try again, ignore, etc.
i am now running the disk utility from the start up disk to check the hard drive. its possible this is getting hung up as well.
originally i came to here to see if there was a way to reinstall spotlight from the install disk. but with the disk verify getting hung up i'm a little worried. any thoughts?

You interrupted an installation in progress. This is bad news. You should always give it all the time it needs. Unless you have a Time Machine backup or a clone on an external drive, you might have to reinstall from the DVD. (And if you don't have either, it's time to consider getting some kind of backup. I would never do a major update without knowing I can revert to the backup if necessary.) In !0.6 this should preserve your settings and apps. When you are finished, install the 10.6.4 Combo Update.
http://support.apple.com/kb/DL1048?viewlocale=en_US
But before you do that, you might see if you can get it to boot in Safe Mode by holding down the shift key at startup. This will take much longer than a usual booup; it's doing some checking and repairing, so give it time. If you are able to boot in Safe Mode, repair Permissions from Disk Utility in Applications > Utilities.
And it sounds like the system might have been choking on too many updates. I generally only use Software Update to see what's available. Then, if I want to do an update, I find the standalone at apple downloads and, if I'm doing several updates, I only install them one by one.

I install windows 8 via boot camp but its corrept so i recover this by the bootable usb which is helping me to install windows 8 but in recovery my osx is formatted automaticly now its become a pc how can i install my mac osx again?

i install windows 8 via boot camp but its corrupt so i recover this by the windows 8 by the help bootable usb which is helping me to install windows 8 but in recovery my osx is formatted automatically now its become a pc how can i install my mac osx again in my mac mini? please help me

If you have a Mid 2010 model: Computers that can be upgraded to use OS X Internet Recovery. If later then see below:
Install Mavericks, Lion/Mountain Lion Using Internet Recovery
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Internet Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
Partition and Format the hard drive:
Select Disk Utility from the main menu and click on the Continue button.
After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
If you have an earlier model:
Clean Install of Snow Leopard
     1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
         with your computer. Insert the disc into the optical drive and restart the computer.
         After the chime press and hold down the "C" key. Release the key when you see
         a small spinning gear appear below the dark gray Apple logo.
     2. After the installer loads select your language and click on the Continue
         button. When the menu bar appears select Disk Utility from the Utilities menu.
         After DU loads select the hard drive entry from the left side list (mfgr.'s ID and drive
         size.) Click on the Partition tab in the DU main window. Set the number of
         partitions to one (1) from the Partitions drop down menu, click on Options button
         and select GUID, click on OK, then set the format type to MacOS Extended
         (Journaled, if supported), then click on the Apply button.
     3. When the formatting has completed quit DU and return to the installer. Proceed
         with the OS X installation and follow the directions included with the installer.
     4. When the installation has completed your computer will Restart into the Setup
         Assistant. Be sure you configure your initial admin account with the exact same
         username and password that you used on your old drive. After you finish Setup
         Assistant will complete the installation after which you will be running a fresh
         install of OS X. You can now begin the update process by opening Software
         Update and installing all recommended updates to bring your installation current.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

Osx boots up but "hangs" at desktop screen

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