T41 Shutdown problem

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whizzer · #1 Post by **whizzer** » Sat Mar 12, 2011 6:14 pm

I acquired a T41 (2374-7FU) mainly for the ram and hard disk in it. It boots ok (except for the cmos battery and have enter date and time. It will run for 1-2 minutes and shut down. When it shuts down the fan is still running. I tore it apart and redid the cpu heat grease, didn't help. It gets to the copy stage of WinXP install before fails. Tried a linux livecd and it made about half way to loading. It does not seem to me that a bad cmos battery should cause this. Looking for suggestions before I give up on and part it out. The machine is in very good condition.

Whizzer

poshgeordie · #2 Post by **poshgeordie** » Sun Mar 13, 2011 5:56 am

2374-7FU Specs:
P M 1.6GHz, 512MB RAM, 40GB 5400rpm HDD, 14.1 XGA(1024x768) TFT LCD, 32MB ATI Radeon 7500, 16x10x24x/8x CD-RW/DVD, Intel 802.11b wireless(MPCI), Modem(CDC), 1Gb Ethernet(LOM), UltraNav, Secure Chip, 6 cell Li-Ion battery, WinXP Pro

Turning off like this is often due to the CPU overheating, but you've already redid the heatsink compound, and the fan is running.

Re redoing the heatsink compound, you need to remove all the old stuff with some alcohol-based solution. When applying the new stuff only use the thinnest amount since it's there to fill in any tiny imperfections between the two metal surfaces and NOT an extra layer between them.

Therefore the problem is probably elsewhere and I do wonder whether the Southbridge or Grpahics chip has come unsoldered.

Anyone else any ideas?

#3 Post by **RealBlackStuff** » Sun Mar 13, 2011 6:53 am

If there's a battery in it, have you tried it just on AC with batt. removed?
Or on just batt. with no AC?

whizzer · #4 Post by **whizzer** » Sun Mar 13, 2011 9:34 am

It was cleaned with a 90% alcohol solution and a thin cost of heat compound.
Tried all three combos, AC, Battery, & both. Have not personally seen GPU failure, are there
other indicators of failure? Can physically looking make this determination? Thanks again guys.

Whizzer

#5 Post by **RealBlackStuff** » Sun Mar 13, 2011 9:47 am

One possibility could be a bad CPU.
What's the Intel number on it? Should be SL6F7 or SL6FA if it's the original Banias, or SL7EG if updated to a Dothan 1.6

whizzer · #6 Post by **whizzer** » Sun Mar 13, 2011 3:14 pm

It is the original Banais bios is at 3.18, latest version 3.23. Not certain it will run long enough to update the bios from a CD i created. Seems not to fail when I am in bios setup. I did load UBCD an got through about 80% of memtest before failure probably the longest it ever ran.

Whizzer

#7 Post by **RealBlackStuff** » Sun Mar 13, 2011 5:18 pm

I wouldn't experiment with the BIOS if your TP is as flaky as it seems.
Chances are you'll brick it!

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