Leopard upgrade results in blue screen

Finally going to make the jump from 10.3.9 to 10.5. Unfortunately, after running the Leopard disk all I can get is a blue screen.
Two pertinent points that may have some bearing on this dilemma:
1. My onboard super drive isn't working so I'm using an external DVD drive.
2. At the conclusion of attempting to install Leopard (and it said installation failed due to a poor disc), I selected the HD for restart.
I've tried restarting both with the Leopard disc in the external drive, and with the drive unattached. I've also tried holding down the C key.
I have a 320GB replacement drive that was going to be the second step of my upgrade.
Do I have to remove the onboard drive, place it in an external casing, put in my new 320 GB drive and then be able to access the data on the old HD?
Or is there (hopefully) a simpler solution?
Thanks for any help.
Merry Christmas.

if you get a blue screen with the mouse pointer, try booting in safe mode and restarting after it boots: http://support.apple.com/kb/HT1455
or try a single user mode and run "fsck" utility:
to start in single user mode: http://support.apple.com/kb/HT1492
if it boots and goes to a command line, type: fsck -y, and press enter, it'll check file integrity on the drive: http://support.apple.com/kb/TS1417

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See if you can find a solution here:
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Message was edited by: ScorpioLoco

Hi,
I've also had the same problem you've mentioned and had it kind-of resolved.
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Hi All
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If you can boot into safe mode, it implies that there is something that is interfering with the startup.
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I have two questions:
Actually I count three questions.
1) Is Apple aware of this issue (blue screen on startup for 20 sec) and would be address it in next update? or is it not fixable?
Not a problem with OS X. More likely a problem with your installation or setup. I have 5 Macs running Leopard and have no similar problem nor ever have. Although boot times differ with hardware, startupitems, login items, etc. they are not much different. My Mac Pro takes half the time as my laptops typically.
2) Can I somehow have that auto-logon progress bar back?
No. It's no longer included in OS X.
3) Sidebar fonts are very small. Tiger sidebar was much easier to use. Is their a way to increase font size.
Not aware of any control over this in Leopard, but if there is someone else may let you know.
If you want to improve performance on your computer then try some maintenance:
Kappy's Personal Suggestions for OS X Maintenance
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OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep.
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I would also recommend downloading the shareware utility TinkerTool System that you can use for periodic maintenance such as removing old logfiles and archives, clearing caches, etc.
For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the commandline. Note that presently AppleJack is not compatible with Leopard.
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Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Retrospect Desktop (Commercial - not yet universal binary)
2. Synchronize! Pro X (Commercial)
3. Synk (Backup, Standard, or Pro)
4. Deja Vu (Shareware)
5. PsynchX 2.1.1 and RsyncX 2.1 (Freeware)
6. Carbon Copy Cloner (Freeware - 3.0 is a Universal Binary)
7. SuperDuper! (Commercial)
8. Data Backup (Commercial)
The following utilities can also be used for backup, but cannot create bootable clones:
1. Backup (requires a .Mac account with Apple both to get the software and to use it.)
2. Toast
3. Impression
4. arRSync
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Impression and Toast are disk image based backups, only. Particularly useful if you need to backup to CD/DVD across multiple media.
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
Additional suggestions will be found in Mac Maintenance Quick Assist.
Referenced software can be found at www.versiontracker.com and www.macupdate.com.

Blue screen after update 10.5.7

Ok, I'm posting this 'cause I'm really desperate. I upgraded from .5.6 to .5.7 because of some problems I had with the video card (you know, tearings, gradients, horizontal lines, etc). Because the update says more support on nvidia cards, I decided to give it a try and updated. Well, every time I booted up, the computer ran normally but after 10 or 15 min, it froze up, and the strange thing is that, all the processes were still running (video in quicktime, music on iTunes). after I rebooted it several times with the same results, a blue screen started to appear on screen. After some hard power off's, I can't pass this screen (only the cursor is visible).
I reset eveything I could in the iMac, unplugged the power cord, running lots of hardware tests. I can't boot up neither with the Leopard disk nor with the Tiger installation disks because the same screen appears (even in Tiger crashes and shows Kernel Panic). The only thing I can do is to boot in safe mode, and eveything runs smoothly (but lots of coloured pixels are shown on the entire screen).
Any other idea?. I have some hope because in one restart, I could entered in Leopard, and it came back to the way it was before the blue screen.
My warranty is out, I don't own the Apple Care Protection Plan, and right now I can't afford a reparation service ($900+ is a little bit pricey).
_Is there a way to boot up with the disk and reinstall either Leopard or tiger????_

HEy!!
Finally, after a nightmare I could succesfully restored my Mac!!!.
I was really desperate, so, after talking to a friend who knows this stuff very well, he told me that all that was left before taking it to the Apple Store was to do some maintainance with it. He told me to buy Drive Genius 2.0 and run every single maintainance tool the software had. So I did it, and magically I could boot into Leopard and reinstall the OS again1!!!!. Even I could restore some video-graphics problems that I had.
All of these because I upgraded to 10.5.7. Right now I'm running perfectly fine with 10.5.4.
Thank you guys for helping me out!!. If you have this problem you could try Drive Genius and maybe you can get out of trouble easily!!

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I had previously had the 64 bit version of Windows 7 Home Premium running on my mid 2010 iMac running 10.7. However, after upgrading to 10.8, my Windows installation would blue screen after booting. I suspect this was due to upgrading to 10.8 as I didn't make any changes to my Windows install because I only use it for gaming.
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I do see this. And I suspect Windows updates. Not Apple (though I would be the first to suspect those too).
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One person found that if they only did updates in smaller steps and not all at once they were fine.
Tuesday this week was another Patch Tuesday.
Games, heat, disk blocks, even RAM errors - one person recently we went round and round... bad blocks not heat, new disk drive and they were 100% stable and rock solid but was hard to rule out. Windows though is easier to test RAM and sectors. And Lion was not even aware or sensitive to those bad sectors and read errors OR RAM errors that Memtest clearly showed (run in OS X).
One person had upgraded RAM, low and behold the new DIMMs were just not fully pushed in and seated and making good contacts.
Try to rule out hardware. Maybe you stumbled on bad block being used now. Run chkdsk if nothing else.
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Or it could just be uninstall one driver at a time, start with GPU, look at what was last installed. Windows drivers are not desireable for GPU. Get the one from AMD or Nvidia instead.

Leopard upgrade results in blue screen

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