G4 won't start up after 10.5 upgrade. Bad RAM?

I wonder if somebody can help me with this. I have a Power Mac G4 (APG model, 1.35 GHz, 965 RAM) and was using OS 10.3 without any problem but decided to upgrade to OS 10.5.
After the upgrade, however, I couldn't start up the machine anymore. I get to the grey screen with the apple logo but then the G4 shuts down (it doesn't freeze or hang). To get out of this situation, I rebooted off the installation disc and tried the install again but to my horror the installation crashed!
Somebody mentioned to me I might have RAM that isn't passing 10.5's stringent requirements and therefore is failing during the 10.5 install. In the crash report I noticed following line:
localhost OSInstaller[145]: Physical Memory Allocation: 54 MB wired, 220 MB trapped, 43 MB active, 6 MB inactive, 637 MB free, 686 MB usable, 960 MB total
What does "220 MB trapped" mean? Is that bad?

Hi Tom,
it's very well possible that something is wrong with the amount. I have 4 different DIMMs installed: 64, 128, 256 and 512MB. The one of 256 MB might be the problem, so I've decided to take it out and we'll see what happens.
Meanwhile, I have to explain that my G4 has to 2 HDs, the original HD w/ OS 9.2 and a second bigger one w/ OS 10.5 (which doesn't want to start up again).
With the original HD as startup disk, I can still boot in OS 9.2 and that gave me the opportunity to check on the memory. Well, what I found out is that the RAM-disk was turned OFF (for both HDs). At the same time I remember that in OS 10.3 I had a problem with time/date reset, something that always would occur after unplugging the power cable. I always assumed it was a dead battery but today I had the battery checked and it's still ok, so I figure it must be something else. Perhaps the RAM disc that is turned off? Shouldn't it be on?

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Oct 26 23:54:04: Disk Utility started.
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Preparing to secure free space : “Untitled”
Creating Temporary File
Securely erasing file
Creating Temporary File
Securely erasing file
Secure Erase Free Space stopped after 14 hours.
89.0% complete.
Erase complete.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions differ on ./Applications/iTunes.app/Contents/Frameworks/InternetUtilities.bundle/Contents /MacOS/InternetUtilities, should be -rw-rw-r-- , they are -rwxrwxr-x
Permissions differ on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave 10 Preferences, should be -rwxrwxr-x , they are -rw-rw-r--
User differs on ./Users/Shared/SC Info, should be 0, owner is 501
Group differs on ./private/etc/authorization, should be 80, group is 0
The privileges have been verified or repaired on the selected volume
Permissions verification complete
Repairing permissions for “Macintosh HD”
Determining correct file permissions.
Permissions differ on ./Applications/iTunes.app/Contents/Frameworks/InternetUtilities.bundle/Contents /MacOS/InternetUtilities, should be -rw-rw-r-- , they are -rwxrwxr-x
Owner and group corrected on ./Applications/iTunes.app/Contents/Frameworks/InternetUtilities.bundle/Contents /MacOS/InternetUtilities
Permissions corrected on ./Applications/iTunes.app/Contents/Frameworks/InternetUtilities.bundle/Contents /MacOS/InternetUtilities
Permissions differ on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave 10 Preferences, should be -rwxrwxr-x , they are -rw-rw-r--
Owner and group corrected on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave 10 Preferences
Permissions corrected on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave 10 Preferences
User differs on ./Users/Shared/SC Info, should be 0, owner is 501
Owner and group corrected on ./Users/Shared/SC Info
Permissions corrected on ./Users/Shared/SC Info
Group differs on ./private/etc/authorization, should be 80, group is 0
Owner and group corrected on ./private/etc/authorization
Permissions corrected on ./private/etc/authorization
Permissions repair complete
The privileges have been verified or repaired on the selected volume
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.5 GB (237,882,122,240 Bytes)
Used : 11.2 GB (12,042,969,088 Bytes)
Number of Files : 298,349
Number of Folders : 76,969
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
70 %)
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Oct 27 20:59:00: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.6 GB (237,949,358,080 Bytes)
Used : 11.2 GB (11,975,733,248 Bytes)
Number of Files : 298,359
Number of Folders : 76,970
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Oct 28 00:31:37: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Oct 28 18:50:53: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Oct 28 21:00:10: Disk Utility started.
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Repairing permissions for “Macintosh HD”
Determining correct file permissions.
Permissions repair complete
The privileges have been verified or repaired on the selected volume
Oct 29 19:55:10: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions differ on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/Info.plist, should be -rw-rw-r-- , they are -rw-r--r--
Permissions differ on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player, should be -rwxrwxr-x , they are -rwxr-xr-x
Permissions differ on ./Library/Internet Plug-Ins/flashplayer.xpt, should be -rw-rw-r-- , they are -rw-r--r--
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Repairing permissions for “Macintosh HD”
Determining correct file permissions.
Permissions differ on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/Info.plist, should be -rw-rw-r-- , they are -rw-r--r--
Owner and group corrected on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/Info.plist
Permissions corrected on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/Info.plist
Permissions differ on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player, should be -rwxrwxr-x , they are -rwxr-xr-x
Owner and group corrected on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player
Permissions corrected on ./Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player
Permissions differ on ./Library/Internet Plug-Ins/flashplayer.xpt, should be -rw-rw-r-- , they are -rw-r--r--
Owner and group corrected on ./Library/Internet Plug-Ins/flashplayer.xpt
Permissions corrected on ./Library/Internet Plug-Ins/flashplayer.xpt
Permissions repair complete
The privileges have been verified or repaired on the selected volume
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.6 GB (237,921,976,320 Bytes)
Used : 11.2 GB (12,003,115,008 Bytes)
Number of Files : 299,521
Number of Folders : 77,045
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Oct 29 20:22:20: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Oct 30 17:14:49: Disk Utility started.
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.1 GB (237,409,587,200 Bytes)
Used : 11.7 GB (12,515,504,128 Bytes)
Number of Files : 299,790
Number of Folders : 77,188
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Oct 30 19:41:53: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Oct 31 20:48:58: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.1 GB (237,362,040,832 Bytes)
Used : 11.7 GB (12,563,050,496 Bytes)
Number of Files : 300,773
Number of Folders : 77,858
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Nov 3 15:48:08: Disk Utility started.
Verify permissions for “Macintosh HD”
Determining correct file permissions.
Permissions verification complete
The privileges have been verified or repaired on the selected volume
Name : Macintosh HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : first-boot/@0:3
Writable : Yes
Universal Unique Identifier : 2C999ACE-B114-3460-8FE0-4013F539F100
Capacity : 232.8 GB (249,925,094,400 Bytes)
Free Space : 221.1 GB (237,411,020,800 Bytes)
Used : 11.7 GB (12,514,070,528 Bytes)
Number of Files : 300,976
Number of Folders : 77,880
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
Nov 3 16:12:13: Disk Utility started.

G4 MDD won't start up after new memory and DVD drive Install

After watching an online video demonstration on how to add RAM and install a new DVD drive in a G4, I decided it was something I could do myself. It all seemed to go well, but after I put it back together and plugged it back in, the light comes on when I press on the power button, but the computer won't start up.
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I'm trying to get this computer in working order to pass onto my mom when I visit her next week.
Any suggestions?

I have had some of the same problems that you have experienced. I have a dual 1.25 g PowerMac w/ 2 g of ram, the Superdrive, and 4 separate drives. My main boot drive was a 160 GB WD Caviar. I also had a 160 Maxtor and (2) 120 GB WD caviares (the 120s were raided for video. The 160 WD started giving me some problems so I decided to replace it with a 500 GB WD Caviar Blue. I installed it in the machine and initialized it. I left the jumper on the drive in the cable select position. I tried to backup using Carbon Cloner and kept getting and error on one file. I re-initialed the drive to make sure it was wiped clean. I then started to back up the old drive file by file. I kept getting messages saying the drive was full. THat wasn't true as there wasn't anything on it. After several attempts to move files, I decided to put the machine back together without the new drive.
Now the real fun begins. I had trouble with the machine booting. I zapped the PRAM and did everything I could think of to get it to boot. It wouldn't so I figured it was something I did. I let the machine sit for a day or two to give me some time to calm down. I read some articles in this support section as well as some articles on several sites I could find. The machine would not only not boot but it would not even beep. I opened the machine up and tried to clean out some of the dust in it. hen I removed the battery and let it sit for a few hours. Then I held the PMMU button on the motherboard in for a long 5 seconds. I put the battery back and waited an hour or so. I tried to start the machine and got nothing. It doesn't beep but the monitor lights up as it thinks the machine is on. I've all but given up on the machine.
Now I know this is long but I have another problem. I took out the 160 GB WD boot drive and used one of the external devices called an Ultradock v4 to connect the drive to my G4 Powerbook. I used Carbon Copy Cloner to back my 160 WD boot Drive to an external 750 gb Maxtor drive that is partitioned into 3 drives. I backed up the 160 WD Boot drive to it. I didn't pay attention to how much space was used on one of the partitions. I then backed up the Maxtor to the 500 gb WD Caviar Blue. The original WD 160 gb drive took up about 197 gb on the Maxtor which in turn took about the same space on the new WD 500 gb Caviar blue. I am at a loss as to why more space is taken up by backing up from a 160 gb drive to a roughly 225 gb partition when it was less than 160 used originally.
Any ideas?

Computer won't start up after 10.4.9 upgrade!

Hello,
I performed the upgrade to 10.4.9 on my Mac book pro, and during the installation of the upgrade the screen became blue and the computer froze. It won't start up again (I get the screen with the apple logo and the whhel just keeps turning and turning....)
Any ideas?
(I'm travelling and far from an Apple Centre)
Thank you
G.

Hello gborsel.
Problems arising right after installing a system update are usually the result of some filesystem corruption that should have been fixed first, or not having installed the update properly (e.g. applications running while installing it), or having ignored Apple’s “Important: Please read before installing” warnings, etc.
Verify/repair the startup disk (not just permissions), as described here:
The Repair functions of Disk Utility: what's it all about?
After having fixed all filesystem issues, if any, reinstall the update using the combo installer:
About the Mac OS X 10.4.9 Combo Update
Mac OS X 10.4.9 Combo Update for PowerPC
Mac OS X 10.4.9 Combo Update for Intel
After installing the update, the computer may restart twice and the first restart may take several minutes. This is normal.
If you cannot do this by normal means, but have an external HD with Mac OS X 10.4 installed from which to boot your Mac, or have access to another Mac with Mac OS X 10.4 installed and with a FireWire port to which connect your Mac in Target Disk Mode, you may be able to fix the problem by starting up that way, verifying/repairing the disk, then reinstalling the combo update (on the disk that doesn’t boot, not on the disk from which you’re booting to do this).
If the problem persists, you’ll have to consider doing an Archive and Install, but make sure first that all the filesystem issues, if any, have been fixed, that you have enough space available on disk, and that all your data has been backed up (which again you can do connecting your Mac in Target Disk Mode to another Mac if you cannot do it by other means).
Take a look at the following articles for guidelines on how to properly install system updates:
Troubleshooting installation and software updates
Installing software updates

G4 won't start up after 10.5 upgrade. Bad RAM?

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