Blue Screen after Start Up.

I've got a macbook pro from 2008. One day it was running extremely slow, then just shut down. When I went to reboot it, it started up correctly and went to the apple icon with the loading screen. It will sit on this screen for about 5 minutes, then act like it's going to boot up completely. Instead it just takes me straight to a blue screen, and won't allow me to do anything except move around the mouse cursor.
I've tried booting up while holding down all the hot keys, and from the Snow Lep CD. That runs for about an hour, and when it's halfway loaded it says that certain files could not be uploaded, or something along those lines.
Any help on this? This computer is my lifeline with FCP, and work on it.

To fix your issue is too complicated and lengthy to go into all of it here, it will require the services of person very familiar and experienced with Mac's to first recover your data and then restore OS X back to a functional state which may or may not require new hardware installed.
I advise you hire the services of a local Mac computer support technician experienced in these matters.
Have them look at your Wifi and computer backup proceedures in the process.
Good Luck.

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Today I turned on my Imac like I've done hundreds of time before, but this time the start up screen with the clock took longer than normal and then once it got to the blue screen it just sticks ther. I"ve tried to boot off my OS X 10.5 disk but when I do after awhile of in start screen with the apple logo and clock the Fan rammed out like it would in firewire transfurs. I've heard stuff about this happening after updating but it's ran normal till now. Has anyone else had this issue and have any suggestions for me
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Dear Customer,
Welcome and thank you for posting your query on HP Support Forum.
Please update the BIOS firmware and that will fix the issue.
Please click on the below link to download and update the BIOS
http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5056950&sp...
I must inform you that these services are not endorsed by HP, and that HP is not responsible for any damage that may arise to your system by using these services. Please be aware that you do this at your own risk.
Hope this helps, for any further queries please reply to the post and feel free to join us again.
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
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Why can't I access my own wifi? why do I get a blue screen on start up or after watching a netflix movie, and why is it getting so hot?

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I was re-decorating my blogger .. then I got the 'Bad Request Error 400' .. I re-formatted my computer, reloaded all .. I can now access my Blogger sites .. Don't know what the problem is/was, but I solved it by reloading my computer to Out-of-Box condition, and all is perfect now .. I have an alert set up for this Error 400 .. Masses of people are having problems daily ..
http://littlemisscinderellasquotes.blogspot.com/

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Imac frozen at blue screen after i went into disk utilities and cleaned free space.
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i tried all this thanks
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HI Laura,
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You won't lose any data unless you erase your hard drive.
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Blue Screen after clean reinstall snow leopard

I have a mid 2011 that came with Snow Leopard and disks. I upgraded from there to Lion - then whatever came next and to Mavericks and finally Yosemite, which was a nightmare for me. I did not use disks of any of the rest. So I just decided to take my disks and go back to Snow Leopard. I did this and it asked to go to disk utility and repair both the HD and Permissions. It came out ok, but there was an instance where looking at the list in HD repair, I saw Suid File System Library Core was moved and cannot be repaired. I went ahead and erased the Hard Drive. Then closed out and installed Snow Leopard. I'm not sure I did it right because I had to rename the new start up disk and typed in unnamed 1.
after that I was able to start up to Snow Leopard. It worked fine until I tried to download all the updates. Then it didn't seem to restart, but just went to the sign in screen. So I had to keep shutting down and turning it back on. No updates. One of times I started up, I got the blue screen after the apple and gray screen.
Also on start up the apple comes up without the chime. Last night I got some instructions from a similar situation and tried to use my disk to a clean reinstall all over. It didn't work, still the blue screen. (it does fine in safemode.)
I need help to get this mac running. If someone can help me......

Clean Install of Snow Leopard
Be sure to make a backup first because the following procedure will erase
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     1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
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         After the chime press and hold down the "C" key. Release the key when you see
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Download and install Mac OS X 10.6.8 Update Combo v1.1.

Blue Screen during start up

just conducted a software update and during the restart the computer screen stays blue. I tried restarting a few times but the blue screen is here to stay.

PanzerTank wrote:
Anyone know whats with the start up blue screen??
It is normal to see a blue screen after the first grey screen, which occurs around the time the boot loader hands off control of the startup process to Leopard & its display driver takes control of the screen. It is also normal for the blue color to change slightly as Leopard's startup sequence loads the color profile for your monitor.
FWIW, the startup process is called "booting" because of the analogy to pulling oneself up by your own bootstraps. In the same way that is literally impossible it is impossible for the OS to load itself if it isn't already loaded, so what actually happens is a series of ever larger & more capable bodies of code load, initialize, & execute, culminating in OS X being loaded & in control of the machine. What you are seeing is the effects of that process on the display.

Blue screen at start up,safe mode only, resolved ,what next?

I got the old stuck on blue screen at start up ,
would only boot in safe mode , after two afternoons of RAM test , repairing disk permissions , hrdware tests , zapping PRam and the likes to no avail , I finally resolved the problem thanks to a tip from this forum:
bad video card drivers ( ATIRadeon 8500 ) , after removing them from the extension folder , it boots up! ( I tried to reset the pram , it won't work though , one chime only then nothing).
so I'm wondering what's next , can i reinstall the video card drivers only ?
is it the card itself ? (everything looks normal) or should I go for an archive and install ?
any input would be great,
Thanks,
JB

Hi-
Jean Baptiste mentioned that he removed extensions for the drivers.
Removing a conflicting driver is fine as long as the driver specific for the card installed remains.
In this case, I think it may have been a corrupt driver, rather than a conflicting driver.
Radeon drivers in OS X have a good track record of compatibility, and such driver conflict is not a historically common occurrence.
Hard drive maintenance with Disk Warrior is the best way to correct corrupt files, unless bad RAM is corrupting the files.....
In your case, it shouldn't hurt anything to remove the Radeon 8500 drivers.
Could it be the driver extensions that are preventing a proper boot. The monitor displays perfectly in safe mode so I don't understand why it would be the video card.
Booting to Safe mode unloads drivers. Only very basic core graphics rendering drivers are loaded.
No Quartz/Quartz Extreme, no Core Image, no 3D acceleration, etc.
This doesn't tax a graphics card.
Failure to boot, or failure of graphics when drivers are loaded are due to one of two things- corrupt drivers or failing components on the graphics card.
A reinstall of the OS can rule out the first.
Installing a different graphics card is the only way to rule out the second.
Before buying a new card, I would try a fresh OS.
Installing a new OS on a separate drive, and booting to that is an easy way to test.

Blue screen after update to Lion

Since I have upgrade my Mac Pro (Mid 2010) to Mac OS X Server Lion 10.7.2 (11C74) I regularly experience a blue screen at start up. The normal login screen does not appear. However, I can log in from a different Mac using Screen Sharing. Initially, I can only use the Mac Pro through the Screen Sharing, but after a while the Mac Pro mouse and keyboard regain control. What's even weirder is that I at sometimes can move the cursor with the mouse attached to the Mac Pro, but I cannot click or select items. This also, at some miraculous moment normalizes.
So, it seems that keyboard and mouse periferals are not getting through but also the normal login screen does not pop up. The Mac Pro uses the official LED Cinema Display 27"" with a ATI Radeon HD 5770 1024 MB graphics card.

Solved the problem using this article: http://support.apple.com/kb/TS1411?viewlocale=nl_NL#symp1.

Blue Screen after Start Up.

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