Can't boot from harddisk following fresh install, corrupts files

Hello all,
(Macbook Pro, Core 2 Duo 2.2, 4 gb ram upgrade, otherwise stock)
So, this all started with the combo updater. I repaired my permissions and tried installing the combo updater for 10.5.7. It failed, saying the package it was installing from was corrupt. So I downloaded it again, tried again, same error. I figured I better restart. Kernal panic. Same for all subsequent restarts.
Booted from Leopard DVD, repaired permissions, that worked, then tried to repair disk, failed, couldn't do it. Tried rebooting, still no good. Gave up, formatted the hard drive (Mac extended w/ journaling). Rebooted from DVD again (installer couldn't see the drive, odd) installed Leopard.
But now every time I try to boot from the disk I get stuck on the gray screen. Reset PRAM, no good. Tried safe mode, it gets stuck at the same screen. And when I repair disk permissions I have new errors, and now it again cannot repair the hard drive.
So I can't boot from the hard drive, and when I try it corrupts my disk. I obviously need some help from someone smarter than me, any takers?
Justin

I would try removing one stick of memory and attempting to reinstall. If it appears to work, add the other back and try to reboot. If it fails on one stick, then try the other. This way you can at least eliminate if its a HD or ram issue.
It sounds like a drive issue, but swapping out ram is easy and can eliminate a lot of other potential causes of the problem.
Good luck.

Similar Messages

Can not boot from Mac OS X Install Disc 1, G5, Snow Leopard

I have version 10.6.8 installed. Compter is a 2 x 2.66 GHz Dual-Core Intel Xeon. 6GB memory
I want to run Disk Utility and startup from the install CD that came with the computer (the grey one, disc 1, or even the retail disc Mac OS X Snow leopard, the whit one) but I CAN NOT DO IT. So frustrating.
I restart, hold down the "C" key, before the chime, after the chime, every which way, and my Mac always acts as if I am simply restarting, goes right to the login screen everytime. I tried holding down OPTION on restart to choose which to startup from, but only saw the hard drive as an option. I open System Preferences, Startup Disk and the install CD does not even show up as a choice to start from, yet the install CD shows up in the finder.
What am I doing wrong?
Thanks

OK.
According to the knowledge base that model should have shipped with Tiger, 10.4.7.
Going to need some thought here, though. I was going to suggest a possible problem with the optical drive, but you say the DVD mounts on the desktop as a normal DVD would?
Nevertheless, do you have access to another Mac or an external HD with a bootable OS X on it (later than the Tiger version your Mac Pro shipped with)?
If so, try booting from the external, or from the other Mac using Firewire Target Disk mode, and using DU from one of those sources to repair the MP's internal HD, then try the disc(s) again.

Can't boot from Recovery or USB Install Drive

Hi Folks,
My (mid-2011) MacBook Pro [Mavericks (10.9)] is not booting up – not matter what I try.
I've tried booting into Recovery (using command-R), Internet Recovery, and tonight I finally created a bootable USB install drive – no luck there either (pressing option to get to the startup disk manager). I can select which drive I want to boot from, but after selecting the USB drive and clicking on the arrow, I get to the gray apple screen (with the spinning progress wheel), and then it just stalls on a blank light gray screen (and the fans spin up). I've waited up to 45 minutes in this state, still nothing.
The same thing happens when I try to boot normally. I have Filevault 2 enabled, so I get to the user account screen – but after selecting my account, the machine goes from the gray apple startup screen to the blank gray screen and hangs.
I've tried resetting the NVRAM, booting from an install CD, etc., etc., and nada.
Does anyone have any advice where to go from here? I had hoped the USB install drive would be the answer, but for whatever reason, I'm simply having no luck. Any help would be greatly appreciated – this is my main rig and I can't afford to have it down for much longer…
Thanks so much!

What install "CD"?? (sure it's not a DVD disc) did you try.
Not sure it is related to the Filevault system but if you can't get the Recovery HD partition to boot that may be caused by having Filevault enabled.
Have you tried the Real Online Internet Recovery system? Hold down the Command + Option/Alt + r keys at startup and keep holding them down until you see a globe on the screen. If after you see the globe, or you never get a globe on the screen, and you get that same Grey color on the screen then you more than likely have a hardware problem. You should make an Appointment with your local Apple store Genius Bar for your Mac to be properly diagnosed.

PowerBook G4 With New Hard Drive - Can't boot from 10.2 OS Install Disk

My sister's hard drive died so I bought and installed a new Seagate 160GB drive. She has OS 10.2 OS disks but is not sure if they were for this computer. The fact that the computer is copyright 2004, and the disks 2002 makes me wonder. When I try to boot with the 10.2 disk, I never see the drive icon when I'm booting up. Holding keys results in:
Option - Return Arrow and Next Arrow, no drive icons
T - With attached USB DVD drive - only get the strange floating Y with the circle in the middle
None - just the folder and ?
I've also reset the PRAM.
Are these the right disks? If so, is there something else I need to do to have the computer recognize the CD when booting up?
The disks are white with the Jaguar(?) spotted X. The only text on them say Mac OS X v10.2/Install disk 1; Not for Resale; Version 10.2/2Z691-3706-A; the Mac and Apple logos and the copyright 2002 notice.
PowerBook G4
Model a1095; copyright 2004
1.3GHz/256MB/60G/Combo/BT/APX
W84200GUQHX

Hi, kjfrey55 -
Typically the OS version that a machine originally shipped with is the minimum OS version it can use.
Based on info from the s/n you gave, your machine is a PowerBook G4 (15 inch) model, with an estimated ship date of Aug '04.
That model originally shipped with OSX 10.3.3. It can not use OSX 10.2.
It can use a retail OSX Panther disk set provided that the version on it is OSX 10.3.4 or higher (if those exist).
It can also use a retail OSX 10.4 (Tiger) disk set.
You may be able to get a replacement original disk set for it from Apple's Customer Service -
http://www.apple.com/contact/phone_contacts.html

Trying to install SL on a new hard-drive for my iMac, when asked which disk to install on it gave me no options, i followed advice from another forum and created a partition, now can't boot from the new drive at all. Help?

I've had **** with my iMac, the hard-drive failed so i replaced it with a new 1TB Samsung drive. Then when i tried to install SL from the install disk, all went to plan until it asked me which drive i wanted to install it on, where it came up with a box where my options should have been, but instead it didn't give me any options to install it on any drive i.e. it asked which drive i wanted to install it on but no drives came up to select.
So i followed the advice from another forum, look at the 'Extended Hard-drive preparation' response
( https://discussions.apple.com/message/10576009#10576009 )
After following these instructions i have now got a new partition, but when i restarted my computer to install SL on the drive, the option to boot from the drive is now not available, now i must boot from the install disk, whereas before i was able to boot from either the install disk or the hard drive. The hard drive is still visible in disk utility as it always has been, but i am now unable to boot from it, let alone install SL.
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Hi db2
That off the shelf MS-DOS / FAT-32 drive needs to re-partitioned GUID Partition Table / Mac OS Extended (Journaled) before you can install OS X and Startup your Intel iMac from it.
1. Boot from your original install or retail SL DVD and open Disk Utility.
2. Highlight the new HD in the list of drives and select the Partition tab.
3. Under Volume Scheme select 1 Partition and click on the Options... button.
4. Select GUID Partition Table in the drop down window and click OK.
5. Set the Format to Mac OS Extended (Journaled) and click the Apply button.
6. Once thats done, then you can do a clean SL Install, Restore from TM , your old HD or Bootable Clone.
Dennis

Can't boot from Windows XP Install DVD

A couple months ago I wanted to use Boot Camp for the first time to install Windows XP Professional (SP3) on my iMac8,1, but I ran into a lot of trouble. I got a lot of support from you guys but I ended up scratching the mission because of a problem that nobody could help me with at the time (I sought support on IRC, too). I will adduce the links to the threads regarding the issues that were more or less solved at the end of this post.
Today I decided to make a thread here and hope that this time somebody knows what to do, how to solve the weird problem that I'm having when I try to boot from the Windows XP Install DVD right after I partition the hard drive with Boot Camp Assistant.
So when the iMac restarts, after I have inserted the disc, and tries to boot from it, I randomly get one of the following three possibilities on the screen (and nothing happens after it):
http://img689.imageshack.us/img689/6725/p3201160.jpg
http://img180.imageshack.us/img180/105/p3201161.jpg
http://img684.imageshack.us/img684/2076/img0472zt.jpg
I burned the disc myself, so it's not the original disc from Microsoft. I did try re-burning the .iso file multiple times (both with Disk Utility and with the application called Burn), to no avail. The disc works fine with VirtualBox!
Please let me know if you have a possible solution and I will thank you for it greatly!
Related threads:
Weird Behavior After Multiple Failed Partitioning Attempts
I Can't Partition My Hard Drive (Files Can't Be Moved)
How should I go about this? (resetting my system with minimal losses?)

Only thing that comes to mind is did you try multiple types of burn media? Also, did you try burning at the slowest burn speed?
~Lyssa

Can't Boot From Install Disc 1 ?

Holding down "C" at Start Up isn't working.
Most of the time I can't get Preferences > Start-Up to even "see" my Disc 1.
When I can get it to show up in Start-Up, and Select it, and Lock it ... it Still Won't Start Up from the Install Disc 1 ... and in fact usually ejects the disc.
Sometimes when I re-push in the disc, I get the message that a Blank Disc has been detected, "what do you want to do with it."
But, it shows up in Disc Utility, and when I run Verify Disc, it all looks good?!
The Disc has Mac OS version 10.4.8 on it. I'm running 10.5.7. I'm all up to date with my software.
Yesterday I ran the latest version of Disc Warrior. When I run TechTools 4.0 it seems to get stuck running Files. When I run Repair Permissions from Disc Utilities, it shows a fairly massive amount of issues. Running it over and over again doesn't seem to make any difference.
I WANT to run my Install Disc so I can run Repair Disc from Disc Utility ... because I'm having a number of issues ... and I seem to get the spinning rainbow a lot.
SUGGESTIONS ?! ... thanks ...

Disk Utility that can repair a 10.5.7 permissions is only found on the Leopard installer disc. Tiger can't repair Leopard when it comes to permissions, and may also have difficulty with the directory.
Secondly, if your MacBook Pro was purchased after October 26, 2007, it can't boot from any Tiger disc.
If your MacBook Pro was purchased prior, you can use the disk, but you'll want to follow these directions for hardware diagnostics:
http://docs.info.apple.com/article.html?artnum=303081
Only if your MacBook Pro has Tiger installed, should you use Tiger for the directory or permissions*:
http://www.macmaps.com/directoryfaq.html
Macs can only boot from the operating system that shipped with them, and newer retail operating systems. This means:
1. pre-October 1st, 2007 MacBook Pros can boot off:
- - the discs that shipped with them
- - retail 10.5 discs which look like * that do not say Upgrade, DropIn, or OEM.
2. October 1st through October 25, 2007 can do #1, and also use Upgrade and DropIn discs. Those disks were offered as a limited time mail order Up to date program, some were dropped in the box that came with them.
3. October 26th through November 14, 2007 can boot off the discs that came with them, and retail 10.5.1, 10.5.4, and 10.5.6 discs that do not say Upgrade, DropIn, or OEM, and have a label like the image above.
4. November 15, 2007 through June 29, 2008 can boot off the discs that came with them, and the retail 10.5.4, and 10.5.6 discs that do not say Upgrade, DropIn, or OEM, and have a label like the image above.
5. June 30, 2008 through December 14, 2008 can boot off the discs that came with them, and the retail 10.5.6 discs that do not say Upgrade, DropIn, or OEM, and have a label like the image above.
6. December 15, 2008 and later MacBook Pros can only boot off the discs that came with them.
Presumably when Snow Leopard comes out in September, all of the above will be able to use Snow Leopard because of the specs on http://www.apple.com/macosx/specs.html
- * Links to my pages may give me compensation.
Message was edited by: a brody

I can't boot from OS install USB drive Mac Mini Model 1176

How I can't boot from OS install USB drive, Mac Mini Model 1176

Thank you Eustace Mendis for your answer.
I rebooted the Mac Mini holding the Option key down but it doesn't work. I used an USB drive with O.s 10.7 from Apple that I have used previuosly with other computers and I also tried with a CD install O.S 10.6
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Hello and Welcome to Apple Discussions ...
Go here for detailed information regarding MBPro's: http://docs.info.apple.com/article.html?artnum=88275 Read it thoroughly... if you still can't boot from the restore disk, then you need to take the Mac in for service.
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Carolyn

Weird screen pattern freezes iMac, can't boot from HD or DVD

I woke up today to find the screen of my iMac black with a sparse pattern of bright pixels on it. I wasn't able to power down holding the Power buton so I unplugged it and left it for a bit before plugging back in. I was then able reboot without any problems. Then a few hours latter a weird pattern appeared across my screen, kind of rolling, animated in spots as seen here:
I powered down, started it up and the screen had this pattern on it:
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I have TechTool Pro and a large flash drive. I'm going to try creating a bootable USB drive with Snow Leopard on it from this backup computer and try to get TechTool Pro on it as well. I'll report back but I'd really appreciate any feedback on this problem.

Some things to report. First, the night before any of this happened, I noticed the fan was running when there wasn't really any reason for it. The computer was idle, no major tasks running. I'm wondering if perhaps the videocard overheated and is causing problems. Perhaps the temperature sensors are screwed up?
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Trying to boot normally or in Safe Mode both result in the spinning wheel freezing and halting startup.
I found powering down then gets weird. It's like it tries to turn on again but can't after a second. Or sometimes it will and the mouse lights up, I can hear the optical drive but the screen stays dark. At that point I need to unplug and try again.
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After 10.4.11 upgrade Macbook won't start can't boot from external HD

Hi guys,
I just suffer as all other that after try ti install the 10.4.11 update my macbook won't start, I have a external HD with a image of my macbook but went I press and hold the option key I only see the bootcamp parttion and my internal HD, I don't see the external HD.
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Thanks

I follow the robotobi post and solve this issue.
Thanks robotobi

Can't boot to any OS X Install Disk

I have a strange problem and this is going to be long. I just added a 2007 MacPro to our Apple family and am having an issue that I can not get past. First, I bought it used and the gentleman that sold it to me described what he did to prep it for me. He wanted to make sure that his data was completely gone so he performed a secure erase on all three HD. One 150GB WD Raptor 10000 and two 700 GB Segates 7500. I should mention here that this system has two DVD drives, one an Apple Super Drive, the other an LG BlueRay read write DVD. Once he did the erase, he said he was not able to reinstall because he kept getting a "can not install a lesser OS" type message. So he removed the WD Raptor and cloned it externally then replaced it.
Initially I was getting the ?folder icon on boot for a few seconds then it would seem to find the HD and boot up fine. However, any attempt to boot to any OS X install DVD results in the gray panic screen to reboot. I have the original disks to this system, which are OS X Tiger and I have a retail OS X 10.5 Leopard and neither will boot to do a fresh install.
I have done a PRAM reset and that has gotten rid of the ?folder screen. I have also booted to a Super Duper Boot Backup and performed a restore to the WD Hard Drive, repaired permissions and it boots great! Even reformated the two larger drives with disk utility and all runs extremely well. One other note... I have even been able to run Boot Camp, set up a partition on one of the large Hard Drives and successfully install Windows 7 64 bit Beta. So it does read DVDs.
But, I can not boot of any OS X install disk???? Below is a copy paste of the problem report that is generated after each failed attempt.
Any ideas????
Thu Feb 5 23:35:49 2009
panic(cpu 0 caller 0x001A407F): Unresolved kernel trap (CPU 0, Type 14=page fault), registers:
CR0: 0x8001003b, CR2: 0x00000098, CR3: 0x01236000, CR4: 0x000006e0
EAX: 0x00000000, EBX: 0x00000000, ECX: 0x0f21f004, EDX: 0x0f20fa24
CR2: 0x00000098, EBP: 0x50133a18, ESI: 0xffffffff, EDI: 0x50133a74
EFL: 0x00210206, EIP: 0x7c644bda, CS: 0x00000008, DS: 0x02b50010
Backtrace, Format - Frame : Return Address (4 potential args on stack)
0x501337c8 : 0x128cdb (0x3c9a14 0x501337ec 0x131cdf 0x0)
0x50133808 : 0x1a407f (0x3cf788 0x0 0xe 0x3cefb8)
0x50133918 : 0x19ae94 (0x50133930 0xf20f804 0x50133948 0x7c6447a7)
0x50133a18 : 0x7c631bd8 (0xf21f004 0x7c7c3320 0x0 0x50133aac)
0x50133a58 : 0x7c60168c (0x0 0x50133a74 0x0 0x3c3ed4)
0x50133ab8 : 0x7c603765 (0x7c7c3320 0x0 0x68eed000 0x7bf40000)
0x50133b38 : 0x7c5fbbb3 (0x0 0x4ad9b0 0xf3000001 0x79f14000)
0x50133b88 : 0x7c5fcd1e (0xeb00800 0xedb4f80 0x0 0x0)
0x50133bd8 : 0x7c5fce30 (0xeb00800 0xef08500 0x6062213c 0x0)
0x50133c18 : 0x60627155 (0xeb00800 0x1 0x0 0x0)
0x50133c78 : 0x60621065 (0xeb00800 0x5 0x5 0xeb00800)
0x50133c98 : 0x38a1a9 (0xeb00800 0xe998a08 0xe998a08 0x0)
0x50133ce8 : 0x3b032a (0xeb00800 0xe998a08 0xe998a08 0x0)
0x50133d48 : 0x18d624 (0xeb00800 0xe998a08 0x0 0x0)
0x50133db8 : 0x12b498 (0xf223680 0xf196498 0x50133df8 0x11e03b)
0x50133df8 : 0x124af1 (0xf223600 0xe965340 0xf1fa480 0x0) Backtrace continues...
Kernel loadable modules in backtrace (with dependencies):
com.apple.NVDAResman(4.3.8)@0x7c5fa000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
dependency: com.apple.iokit.IONDRVSupport(1.4.4)@0x68b33000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
Kernel version:
Darwin Kernel Version 8.7.3: Wed Aug 16 18:54:06 PDT 2006; root:xnu-792.11.5.obj~1/RELEASE_I386

jravin wrote:
I have a strange problem and this is going to be long. I just added a 2007 MacPro to our Apple family and am having an issue that I can not get past. First, I bought it used and the gentleman that sold it to me described what he did to prep it for me. He wanted to make sure that his data was completely gone so he performed a secure erase on all three HD. One 150GB WD Raptor 10000 and two 700 GB Segates 7500. I should mention here that this system has two DVD drives, one an Apple Super Drive, the other an LG BlueRay read write DVD. Once he did the erase, he said he was not able to reinstall because he kept getting a "can not install a lesser OS" type message. So he removed the WD Raptor and cloned it externally then replaced it.
Initially I was getting the ?folder icon on boot for a few seconds then it would seem to find the HD and boot up fine. However, any attempt to boot to any OS X install DVD results in the gray panic screen to reboot. I have the original disks to this system, which are OS X Tiger and I have a retail OS X 10.5 Leopard and neither will boot to do a fresh install.
I have done a PRAM reset and that has gotten rid of the ?folder screen. I have also booted to a Super Duper Boot Backup and performed a restore to the WD Hard Drive, repaired permissions and it boots great! Even reformated the two larger drives with disk utility and all runs extremely well. One other note... I have even been able to run Boot Camp, set up a partition on one of the large Hard Drives and successfully install Windows 7 64 bit Beta. So it does read DVDs.
But, I can not boot of any OS X install disk???? Below is a copy paste of the problem report that is generated after each failed attempt.
Any ideas????
Thu Feb 5 23:35:49 2009
panic(cpu 0 caller 0x001A407F): Unresolved kernel trap (CPU 0, Type 14=page fault), registers:
CR0: 0x8001003b, CR2: 0x00000098, CR3: 0x01236000, CR4: 0x000006e0
EAX: 0x00000000, EBX: 0x00000000, ECX: 0x0f21f004, EDX: 0x0f20fa24
CR2: 0x00000098, EBP: 0x50133a18, ESI: 0xffffffff, EDI: 0x50133a74
EFL: 0x00210206, EIP: 0x7c644bda, CS: 0x00000008, DS: 0x02b50010
Backtrace, Format - Frame : Return Address (4 potential args on stack)
0x501337c8 : 0x128cdb (0x3c9a14 0x501337ec 0x131cdf 0x0)
0x50133808 : 0x1a407f (0x3cf788 0x0 0xe 0x3cefb8)
0x50133918 : 0x19ae94 (0x50133930 0xf20f804 0x50133948 0x7c6447a7)
0x50133a18 : 0x7c631bd8 (0xf21f004 0x7c7c3320 0x0 0x50133aac)
0x50133a58 : 0x7c60168c (0x0 0x50133a74 0x0 0x3c3ed4)
0x50133ab8 : 0x7c603765 (0x7c7c3320 0x0 0x68eed000 0x7bf40000)
0x50133b38 : 0x7c5fbbb3 (0x0 0x4ad9b0 0xf3000001 0x79f14000)
0x50133b88 : 0x7c5fcd1e (0xeb00800 0xedb4f80 0x0 0x0)
0x50133bd8 : 0x7c5fce30 (0xeb00800 0xef08500 0x6062213c 0x0)
0x50133c18 : 0x60627155 (0xeb00800 0x1 0x0 0x0)
0x50133c78 : 0x60621065 (0xeb00800 0x5 0x5 0xeb00800)
0x50133c98 : 0x38a1a9 (0xeb00800 0xe998a08 0xe998a08 0x0)
0x50133ce8 : 0x3b032a (0xeb00800 0xe998a08 0xe998a08 0x0)
0x50133d48 : 0x18d624 (0xeb00800 0xe998a08 0x0 0x0)
0x50133db8 : 0x12b498 (0xf223680 0xf196498 0x50133df8 0x11e03b)
0x50133df8 : 0x124af1 (0xf223600 0xe965340 0xf1fa480 0x0) Backtrace continues...
Kernel loadable modules in backtrace (with dependencies):
com.apple.NVDAResman(4.3.8)@0x7c5fa000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
dependency: com.apple.iokit.IONDRVSupport(1.4.4)@0x68b33000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
Kernel version:
Darwin Kernel Version 8.7.3: Wed Aug 16 18:54:06 PDT 2006; root:xnu-792.11.5.obj~1/RELEASE_I386
I just did a check as you where smart & put what your problem was telling you
You had shown your Mac is Kernel loadable modules in backtrace (with dependencies):
com.apple.NVDAResman(4.3.8)@0x7c5fa000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
dependency: com.apple.iokit.IONDRVSupport(1.4.4)@0x68b33000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
com.apple.iokit.IOGraphicsFamily(1.4.4)@0x60619000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x6042e000
That Tell's me 100% you do have the same card the
_*(PCI Card: NVIDIA GeForce 8800 GT, display, Slot-1)*_
that needs OS X 10.5.2 or newer to boot from the install DVD. I went though this man, by myself is was not fun call 800-69-2773 (800-MY-Apple) ask for costumer care tell them it is the Old OS & newer GPU not the Mac Pro, So they can't try to say you need Apple Care for what in truth they never told people. I know you will get a replacement Mac OS X Leopard Install DVD 10.5.2 or newer it is white & has Replacement DVD Not For Resale on it.
I am give you my Email if needed at all in this (I know what a mess it is)
hess2 at mac dot com
Hope I helped you,
Thomas
*PCI Card: NVIDIA GeForce 8800 GT, display, Slot-1*
<Edited by Moderator>

MSI KT6V-LSR (MS-7021) Can't Boot From CD/DVD

New to the forum and would like to say hello to everyone first.
Here's my problem i can't boot from my DVD drive, my 2 HDD's and 2 DVD drives are working fine inside windows.
Inside the bios screen they are detected in the right order, and are in the right boot order. I checked the jumpers on them and they seem fine and i haven't touch them since i changed my dvd rewriter 6 months ago and i have booted from a cd since then.
I just booted up the Windows Xp disc on a differnt pc and it worked fine, yet on mine it goes straight to my XP OS.
I was hoping someone could help me out, thanks.
MSI KT6V-LSR (MS-7021)
Athlon XP 2400+
768 MB Ram
Windows XP Home sp3
Maxtor 6Y120L0(master)
Seagate ST3400832A(slave)
HL-DT-ST DVD-RAM GH22NP20(master)
JLMS XJ-HD166S(slave)

Did you install Nero 9 by any chance?
Even if you didn't, and old version of InCD can cause this too.
The problem is upper/lower filters, they are screwed and thus your CD's are missing in action.
Run this tool inside windows: ftp://ftp6.nero.com/tools/General-CleanTool.zip
As for booting, change the boot order in the BIOS, probably set to harddisk first.
If that doesn't solve it, disconnect one of the CD's and test with a single one, maybe one is broken and hinders the other, but that is my last guess.

Can't boot from external HD with Leopard on MacBook Pro or PowerBook

I can't boot from an external HD with 10.5.5 Leopard on either my MacBook Pro or my PowerBook G4. I had a PowerBook G4 from which I could boot from either an external FW400 drive or an external FW800 drive. At some point, I stopped being able to boot from any HD, but I'm not sure if it was after upgrading to Leopard or not? Recently I just bought a MacBook Pro 15" and transferred all my files over from the PowerBook to the MacBook Pro during the install. However, even with the new computer, still cannot boot from an external drive. I have Leopard 10.5.5 running on both the external HD and the internal HD.
Is this a common problem? Anybody know how to fix it?
Thanks!

That probably wasn't very clear was it? I have several ext. HD's, some with bootable systems and some just backups. One bootable disk was made with CopyCloner and the other was a clean format and only had an original install of the OS just to use for an emergency boot. They both booted just fine. Then at some point, they stopped being bootable. I have used the Control Panel "Startup" and also used the Option key boot and picked the bootable disk. Neither one boots anymore. It started doing this on the old PowerBook and then also refused to boot on the MacBook Pro. This is not the problem with the HD since it happens with any bootable HD. Something is going on at the system level and it was transfered from the PowerBook to the MacBook.
Thanks,
Bill

Can't boot from harddisk following fresh install, corrupts files

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