T23 DOESN'T STAY ON EVEN - AFTER NEW MOTHERBOARD INSTALL

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PEDRO28 · #1 Post by **PEDRO28** » Thu Oct 30, 2008 9:51 am

I'M in need of help.

I installed a new t23 motherboard hoping my laptop would stop from shutting down on it own.

Sometimes I turn on the laptop and it shuts down in 1 min and sometimes in 10 mins. It has no OS.

1. I have swithcing out the memory taking 1 stick out and vice versus.
2. I also charged the battery and it shows full.
3. I also tried running off of just power and same abrupt shutdown.
4. New motherboard installed last night

Any help or guidance is GREATLY APPRECIATED!

Thank you.
Pedro

#2 Post by **Harryc** » Thu Oct 30, 2008 10:10 am

Welcome to the forum. To be clear, the laptop shuts down on it's own on battery alone, on external power with the battery installed, and on external power only with no battery installed? Also clarify 'shuts down'. All power LEDs go off? Fan goes off?

PEDRO28 · #3 Post by **PEDRO28** » Thu Oct 30, 2008 10:39 am

yes regardless if the battery is in alone with no power adapter it shuts off.

also with just power alone and no battery it also shuts off.

I'm thinking it may be the processor? What do you all think?

#4 Post by **Harryc** » Thu Oct 30, 2008 11:04 am

When it shuts down, do any LEDs stay lit? Which ones? Does the fan also go off?

PEDRO28 · #5 Post by **PEDRO28** » Thu Oct 30, 2008 11:11 am

When running on the battery alone after the shutdown all lights are off and cpu fan is also off. basically everthing is shutdown.

Thank you thus far for the awesome support!!!

#6 Post by **Harryc** » Thu Oct 30, 2008 11:15 am

Run mobilemeter and tell us what the CPU temp is just before it shuts down.

http://www.softpedia.com/get/System/Sys ... eter.shtml

PEDRO28 · #7 Post by **PEDRO28** » Thu Oct 30, 2008 11:27 am

I can't run the app since I'm in the middle of installing the OS Windows XP Pro" when the shutdown occurs and this mobile meter needs to be in windows to run correct.

#8 Post by **Harryc** » Thu Oct 30, 2008 1:20 pm

Remove all non-essential drives and cards, including the optical drive, hard drive, modem, Ethernet card, etc....all of them. Remove all external connections. Try disconnecting the LCD and running to an external LCD. T23's have an IO card, did you get a new one with the systemboard? If it still fails I'd lean towards a CPU or heat issue. Try reseating the heatsink with thermal paste...you did use some right? If all that fails, try a CPU, but buy a cheap one

. They don't fail too often, but with that said I just worked on an A31P with a bad CPU, so it does happen.

PEDRO28 · #9 Post by **PEDRO28** » Thu Oct 30, 2008 1:40 pm

There nothing for me to disconnect since I need the hard drive and the cdrom connected.

I did not use thermal paste I just moved the processor from the old motherboard to the new motherboard. Where does the thermal paste go?

Thank you for your support!!!!!

#10 Post by **Harryc** » Thu Oct 30, 2008 1:47 pm

It goes between the CPU and the fan/heatsink. I am guessing this is your problem.

http://www.arcticsilver.com/ins_route_s ... elas5.html

Arctic Silver 5 can be purchased at Radio Shack for @ $10 a tube. Clean off ALL of the old stuff from the CPU and the fan with isopropyl alcohol and a soft lint free cloth before applying new paste. Follow the instructions for a single core Intel CPU at the link above. Follow them exactly.

PEDRO28 · #11 Post by **PEDRO28** » Thu Oct 30, 2008 1:53 pm

HarryC

I want to thank you for guiding me in the right direction.

Quick question. on my T23 the Head Sink and FAn to do directly sit on the CPU.

I thought that I would only apply the thermal paste if the heatsink/fan were directly attached on top of the cpu and that is not the case with the T23.

Thank you HarryC!!!!!!

#12 Post by **Harryc** » Thu Oct 30, 2008 2:26 pm

Either scenario requires thermal paste. Some manufacturers use a pad, but Lenovo/IBM used paste on any laptops I've seen. There might be an exception, but T23 is not one of those. It requires thermal paste.

PEDRO28 · #13 Post by **PEDRO28** » Thu Oct 30, 2008 2:32 pm

my apologies for the dumb questions. so in this scenario would I just poor the thermal pate on top of processor?

do you have a pic of how it should on the t23 processor, i just don't want to mess this up.

Thank you so much.

Pedro

#14 Post by **Harryc** » Thu Oct 30, 2008 2:35 pm

Dude, check out the link to instructions I posted before

.

PEDRO28 · #15 Post by **PEDRO28** » Sat Nov 01, 2008 11:21 am

just thought i'd let everyone know.

that after i unplugged both cards for the expansion card. the network card and i/o card i think that's what it is the laptop then stayed on and has stayed on for several days.

I also put both cards back in and the laptop is still working with no issues.

hope this helps someone out oneday.

Pedro

T23 DOESN'T STAY ON EVEN - AFTER NEW MOTHERBOARD INSTALL

T23 DOESN'T STAY ON EVEN - AFTER NEW MOTHERBOARD INSTALL

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