T43 - Hangs on boot-up screen

Dear all,
I have a 2668-45G Thinkpad T43 which just doesn't boot anymore. This laptop wasn't booted or charged for a long time before I got it. Warranty has run out just 1,5 months ago.
Exact description:
- Pressing Power-On button results to start-up the notebook. Boot-up screen is shown and nothing else happens.
- No reaction if I press the "Access IBM" button or F1 at all. I cannot enter BIOS, nor is there any other reaction (no beeps, no error message, no num-lock-light switching).
Hard drive is turning, CD-ROM is preparing.
What did I try so far:
- Take out battery and AC-cable, pressed power-on button 10 times for a longer time. Then I plugged the AC cable in and pushed F1 during power-on. Sometimes I come to the startup menu. But only rarely. And if I get there, again no reaction on key pressing.
- I opened the laptop, if there is any visible problem. There isn't. After opening and closing, I could once switch to the BIOS, but there was no reaction to any further key pressing. So I could not reset the BIOS to some default state.
- The laptops beeps though if I remove the memory module.
What can I do now?
Please help me.
Best regards
Laurence
Message Edited by lm1976 on 11-21-2008 10:56 AM
Message Edited by lm1976 on 11-21-2008 11:04 AM
Message Edited by lm1976 on 11-21-2008 11:13 AM
Message Edited by lm1976 on 11-21-2008 11:27 AM
Solved!
Go to Solution.

Another shot in the dark...can you swap the CMOS battery with one from your R50?
If we don't have a BIOS that is messed-up (which is an unfortunate option) sheer persistance and attention to small details might get us somewhere...
My knowledge is really of little use right now, as is my experience. Personally, I'd keep the HD out, along with battery, wireless and BT cards and keep attempting to get it to boot in different intervals...not much science there, but that's the best I've got right now, I might be smarter a little later...or never...
Also, applying permanent pressure of a light nature on the spot where keyboard enters the planar as in couple of bent "post-it" sheets might be worth considering...
Good luck and keep us posted.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

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Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000020 PC=0x00000000002FA2A4
Latest crash info for cpu 0:
Exception state (sv=0x32E70000)
PC=0x002FA2A4; MSR=0x00009030; DAR=0x00000020; DSISR=0x40000000; LR=0x002E31B0; R1=0x1793BCD0; XCP=0x0000000C (0x300 - Data access)
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0x002E31B0 0x002AE920 0x002F2EF4 0x0003C884 0x000A9314
Proceeding back via exception chain:
Exception state (sv=0x32E70000)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x2D24BC80)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
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Darwin Kernel Version 8.8.0: Fri Sep 8 17:18:57 PDT 2006; root:xnu-792.12.6.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
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Backtrace:
0x00095138 0x00095650 0x00026898 0x000A7E04 0x000AB780
Proceeding back via exception chain:
Exception state (sv=0x32E70000)
PC=0x002FA2A4; MSR=0x00009030; DAR=0x00000020; DSISR=0x40000000; LR=0x002E31B0; R1=0x1793BCD0; XCP=0x0000000C (0x300 - Data access)
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0x002E31B0 0x002AE920 0x002F2EF4 0x0003C884 0x000A9314
Exception state (sv=0x2D24BC80)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
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Darwin Kernel Version 8.8.0: Fri Sep 8 17:18:57 PDT 2006; root:xnu-792.12.6.obj~1/RELEASE_PPC
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It appears like at around 2 years, this problem occurs from what I read on this forum. Look for capacitors on the motherboard with bulging tops. I fixed my computer by replacing motherboard after running many hours of diagnostics, replacing power supply, and changing out drives.

IMac with 10.4.8 hangs on boot

My wife runs a non-profit parenting organization using an iMac (700 MHz, G4, flat panel) with OS 10.4.8. Last Friday on startup, it hung within a few seconds of starting to startup. Kernel panic text covered the screen. Retry to startup gave same result. But will start and run ok in Safe Boot mode although the bootup take very, very long --and can't use search to find files and can't print --maybe other limitations with Safe Boot mode will showup. This past weekend, while running in Safe Boot mode, I was able to backup all of her files onto 8 CDs. I could just reinstall everything beginning with the OS and continue through the various applications (MSOffice, Appleworks, Photoshop Elements, etc.) but I would like to find something that wasn't so drastic to try first. Also I would like to have some idea of what happened so that this would not (hopefully) re-occur. Note --no new software or hardware has been installed in many months except for every Apple update that comes along. It does not have an AirPort card and can access the Internet using ethernet and a DSL connection. Since it started into Safe Boot, I understand that some level of disk repair has taken place. What things should I try before I wipe and reinstall?
iMac G4 700 MHz Flat Screen Mac OS X (10.4.8)

Hello --
Thanks for the suggestions. I repaired the disk. I repaired the permissions. And I ran the Apple Hardware Test Disk. The disk was fine. Many, many permissions were repaired. And the Hardware Test Disk found nothing. But, at that point, the "Hang on Boot kernel panic" continued. I then went to the suggestions in Dr. Smokes "Resolving Kernel Panics" article. Using "Cocktail" to flush the caches did the trick. The computer is booting fine again and running faster that before. As an added plus, several other annoying problems and issues have gone away. It seems clear to me that there was a problem in one or more of the caches (I have no clue as to which one) and, therefore, very early in the boot sequence, bad data was drawn upon or an attempt to find data was not possible because of damage to one of the caches. At any rate, Thank you for the suggestions --the computer is fine. (And my wife, on behalf of her non-profit parenting support program, sends you many thanks as well. She also swears that she will now carefully backup her files AT LEAST once a week.)

Hangs on boot with Logitech wireless keyboard

I am running Windows 7 on a Thinkpad W510 and just bought a Logitech S520 wireless keyboard and mouse.
When I try to boot, the system hangs at the Thinkpad splash screen.
I updated the BIOS to the latest version but it had no effect. I also changed the boot sequence so that USB boot was after HD boot.
This had no effect and the system still hangs on boot.
If I remove the USB receiver the system boots fine and I can then insert the USB receiver and everything works propely.
Is there anything that I am missing? This just doesn't make sense.
Thanks for any further suggestions.

I have the newer port replicator (issued July ?? 2010) and it is always plugged in to USB 2 port. From the port replicator I go to a powered USB hub. In the later I have the transmitter for my Logitech mouse. I have never tried the Logitech transmitter directly in my laptop so can indicate whether that would hang my system and at least right now I'm not interesting in trying it.

HELP! MacBook Pro 17" Won't Boot-Grey Screen-Errors During Verbose Safe Mode Boot

Booting regularly it hangs on the grey screen, if it does go into desktop, it freezes and won't do anything.
I did disk check and repair even though it found no errors, and did verify and fix permissions since it showed a LOT of permission errors. Still won't boot into desktop though.
Ran safe mode verbose and got the following disk0s2 I/O Errors-What does this mean??? Hard drive problem?
I have reload OS X 3 times in the past few weeks because of freezing issues in Mavericks and stuck with Mountain Lion and it was running fine until I went to boot up this morning after a clean shut down and won't boot up ever since.
http://i43.photobucket.com/albums/e389/RIPNHL2005/photo_zpsb0d8d5cf.jpg
http://s43.photobucket.com/user/RIPNHL2005/media/photo_zpsb0d8d5cf.jpg.html
Please help.....This is my main laptop and job search tool.....
Thanks!!!

Is this the right drive config for the macbook pro?
Is Western Digital no good? Best Buy has them in stock.....
HGST
500GB Travelstar™ Z5K500 Hard Disk Drive
2.5-Inch | SATA 3.0Gb/s | 5400RPM | 8MB Cache
High-performance, high-capacity mobile storage for notebook PCs and other applications
Low Profile - 7mm thickness for slim designs
High Capacity - Up to 500GB
Quiet Operation - Enjoy a richer audio-listening experience
Travelstar Z5K500 is the second generation 7mm, 5400 RPM 2.5-inch hard drive from HGST, with capacities ranging from 250GB to 500GB, and the second generation Advanced Format drive. Advanced Format increases the physical sector size on HDDs from 512 bytes to 4,096 (4K) bytes, which improves drive capacities and error correction capabilities. The 500GB per platter, one-disk models are designed as a direct replacement for standard 9.5mm HDDs, for use in notebook PCs, external storage and gaming consoles, as well as new, thinner and more robust device designs. The Z5K500 carries the EcoTrac classification due to its low-power consumption and eco-friendly, halogen-free production. Travelstar Z5K500 delivers the right balance of capacity, power-management and design flexibility to meet the needs of mobile applications.

[SOLVED] System hangs on boot, reinstalling Arch doesn't help

After a recent upgrade (including the kernel), my system hangs on boot. I have an Asus K40IN laptop, about 2 years old. I've been running Arch for the life of the computer and never had any (serious) problems.
I booted into a live Arch environment, tried rebuilding the mkinitcpio image, didn't work. Tried downgrading the kernel, didn't work.
I then assumed it was just some software issue that I couldn't figure out, so I reinstalled Arch. No change.
Here's what my screen looks like when it hangs:
Any ideas would be very much appreciated. I'm completely stumped here.
Last edited by noahsark1126 (2011-06-15 23:32:34)

jnguyen:
I have another arch system, a desktop, that I tend to keep pretty much in sync with my laptop. So I can look in the logs on that system to see what was upgraded. The other notable packages in that upgrade were probably udev, initscripts, and mkinitcpio. I will try downgrading those.
Leonid.I:
I'm using the 2010.05 arch release, which has kernel 2.6.33. I see two cores in the live env, as I should, and there's nothing to suggest any problems in the logs.
I'm actually now getting a completely different hang screen:
Of course I don't know what this one means either...

T43 - Hangs on boot-up screen

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