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M6805 shuts off

post #1 of 14
5/7/06 at 3:05pm
Thread Starter 
My M6805 laptop shuts off for no reason that I know of.....I am on AC power at the time........sometimes it shuts down a few seconds after startup, other times it just shuts down.........anyone have any ideas as to problem?
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post #2 of 14
5/7/06 at 5:49pm
You are not alone...
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post #3 of 14
5/7/06 at 6:14pm
does it shut off/on when u r on battery as well? does it restart right away? to system or just blowing fan?
shutting off/on randomly is a sign of power supply issue
try to clean out your laptop's gut (inside) might help - have done twice, one on a HP and one on my reliable m6805 - DID work good for me!

cheers ...
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post #4 of 14
5/7/06 at 8:50pm
Quote:
Originally Posted by karlee823
My M6805 laptop shuts off for no reason

Welcome to the club.
Check out the thread below this one called " M6809 on battery sometimes just shuts down". You may want to also email the lawyers in that thread to see if we can get some remedy for this known problem.
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post #5 of 14
5/8/06 at 5:41am
Quote:
Originally Posted by karlee823
My M6805 laptop shuts off for no reason that I know of.....I am on AC power at the time........sometimes it shuts down a few seconds after startup, other times it just shuts down.........anyone have any ideas as to problem?
just a quick update on my input from another thread:
Quote:
Originally Posted by theoak
Does anyone know if this Targus bios upgrade fixes the random auto shutdown problem in emachines m68XX's?
Quote:
Originally Posted by qhn
according to bulletin/info on the targa site this 0F09.P00 boasts system stability in 3D applications and improvement/stability of ACPI. got to say that i m ok so far with the random-shut-off that plagues some (many) members. I had it twice - one was due to the fact that i did not lock my battery down; second was after 1 1/2 year of use. I took the machine top apart and clean the heck out of dust (dirt) and reseat the heatsink. No more issue since then, knock on wood! I experience a few more shut off this past month, but that was due to the fact that i was playing with different ram modules, trying to push the 1gb pc3200 on the m6805. In these instances, just before the shut off, the fan would race up real loud and then shut itself down. Needsless to say, i had to swap the ram module :-)
so, if this is ur first issues with the shutting-off, and u have owned the laptop for a while, i would take a look at cleaning (dusting up) the inside first before panicking :-) cheers ...
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post #6 of 14
5/8/06 at 10:50am
Thread Starter 
Thanks to all who replied to my problem.........sounds like fixing it is more than I want to deal with.........was hoping it was a simple solution...........lol. Guess I will put up with it until it stops all together. Thanks again.
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post #7 of 14
5/8/06 at 9:51pm
NO. The targus bios does not prevent the shut off. So far it seems improved because I have not had my m6811 shut off multiple times or in the middle of something that I was working on, but I have had it shutoff after a cold boot a couple of times.

Eunix
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post #8 of 14
5/9/06 at 3:15am
The thermal paste they used on the cpu dries and crackles over time, which means it isolates the cpu from the heatsink thermically and causes the cpu to overheat and trigger power down.
It takes 15 minutes at most to replace the thermal paste, it's much easier than it sounds/looks and it's worth having a laptop that works like a new one...
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post #9 of 14
5/9/06 at 6:27pm
Well, I finally did as others on this forum suggested.

Even though I truly feel end users should not be expected to do it, I removed the battery, pushed the power button to discharge any remaining power, removed the heatsink from the processor and scraped it off with a plastic switch plate, cleaned it with 91% isopropyl alcohol, rubbed Arctic Silver 5 into the cleaned heatsink, wiped it clean with a coffee filter, and put a tiny (1/4 rice grain sized) dab of AS5 on the cpu, tightened the screws, and sweated bullets as my m6805 was started.

Guess what? No smoke or fire!! It started and is running without the cooling fan running. (Recently the cooling fan ran ALL THE TIME, even on 800 Mhz.) It is once again quiet. It is too early to say my auto shutdown problem has ended, since it happens with no predictable pattern or timing.

One observation: the old thermal pad had a little 1 inch x 1 inch piece of metal foil between the heatsink and processor. Is that usual?
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post #10 of 14
5/10/06 at 12:38pm
Quote:
Originally Posted by theoak
Well, I finally did as others on this forum suggested.

Even though I truly feel end users should not be expected to do it,

well, so do the sellers. then they can rely on you to feed their pockets every 2-3 years :-)

Quote:
Originally Posted by theoak
I removed the battery, pushed the power button to discharge any remaining power, removed the heatsink from the processor and scraped it off with a plastic switch plate, cleaned it with 91% isopropyl alcohol, rubbed Arctic Silver 5 into the cleaned heatsink, wiped it clean with a coffee filter, and put a tiny (1/4 rice grain sized) dab of AS5 on the cpu, tightened the screws, and sweated bullets as my m6805 was started.

Guess what? No smoke or fire!! It started and is running without the cooling fan running. (Recently the cooling fan ran ALL THE TIME, even on 800 Mhz.) It is once again quiet. It is too early to say my auto shutdown problem has ended, since it happens with no predictable pattern or timing.

u r now an expert :-)

Quote:
Originally Posted by theoak
One observation: the old thermal pad had a little 1 inch x 1 inch piece of metal foil between the heatsink and processor. Is that usual?

it is easier to use thermal tape at the factory. and from what i heard, thermal conducting tape is not performing as well as thermal paste.

cheers ...
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post #11 of 14
5/15/06 at 11:36pm
6 days since changing my cpu thermal compound, and no auto shutdown so far. Fan runs less too.
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post #12 of 14
5/16/06 at 12:08pm
Quote:
Originally Posted by theoak
6 days since changing my cpu thermal compound, and no auto shutdown so far. Fan runs less too.
I have been having problems ever since I upgraded the memory and put in a second SODIMM in my M6805. I took both of them out today and will be getting a 1GB module instead. If you are still having shutdown problems remove the new DIMM you put in and report back your findings.
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post #13 of 14
5/16/06 at 5:46pm
I have had the new 512 MB memory stick in for over 2 years, and only in the last several months did the auto shutdown problem happen. I think it was the dried out thermal paste not conducting heat away from the cpu that caused my shutdown problems.
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post #14 of 14
5/25/06 at 10:23am
On May 9, 2006, I changed the thermal compound under the cpu cooler, and now have had 16 days without an auto shutdown!!!
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