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Originally posted by TheProphetMark
reply to post by 74Templar
Mind mailing me your swap-out set?
Just kidding
Originally posted by BinarySamurai
First double check that the ram is seated properly. I worked on a laptop where the ram was slightly unseated and it was causing random shutdowns.
Originally posted by 74Templar
reply to post by TheProphetMark
Try it, yes that could test it one way.
First off, make sure you are not on a carpeted floor. Kitchen tiles or vinyl. Static from your body can cause worse damage. Most consider this an old wives tale, but I always practice it, just to be safe.
Just be careful pulling it out. It will either have a lock on one side or both, like a little lever, that needs to be unlocked, but not always. If not it will just be between two gates. Usually in laptops they are on their side, whereas in desktop they tend to be standing up.
From there just slowly pull it out a bit at a time, squarely from the edges until it basically comes loose. but I would defientely try making sure it is seated properly first. It can cause the same problem.
Good luck
Originally posted by BinarySamurai
You can have poorly seated ram that would run at startup but at the slightest nudge of the computer stop working due to it being loose. That was my friends problem it was as simple as just pushing it back in all the way. What worries me is the fan had a chipped piece. This says a lot about a possible heat problem and the possibility that the machine might have been dropped or someone tried to stick something in the fan area while it was on. Damaged fan mean possible heat damage.
Now I would recommend changing the fan out if all other test fail. If it's still failing there is damage elsewhere on this machine.
Originally posted by 74Templar
reply to post by BinarySamurai
I would have to agree. Failing RAM and a possible heat problem, it could be anything up to a damaged CPU or even motherboard that could cause a shutdown. In my own experience I usually start with either those two, and go up from there, as most times it is these two that cause shutdowns. Problem is, if it is the CPU or the motherboard, then it is really not worth fixing, as it would be more than the entire laptop to replace.
Originally posted by TheProphetMark
Originally posted by BinarySamurai
You can have poorly seated ram that would run at startup but at the slightest nudge of the computer stop working due to it being loose. That was my friends problem it was as simple as just pushing it back in all the way. What worries me is the fan had a chipped piece. This says a lot about a possible heat problem and the possibility that the machine might have been dropped or someone tried to stick something in the fan area while it was on. Damaged fan mean possible heat damage.
Now I would recommend changing the fan out if all other test fail. If it's still failing there is damage elsewhere on this machine.
Speaking of nudging...
Did your friend ever experience sudden dark screens? As if your screen turned off, but the PC remains turned on? To fix this, I just close my laptop and open it back up and the screen comes back on and I just login and continue where I left off.
Was wonder if a RAM being lose would cause that problem as well and not just sudden shutdowns? I sometimes nudge my laptop accindently and the screen would go back. Happened a few times to me.
Originally posted by DrZrD
reply to post by TheProphetMark
I agree with the others that CPU temperature and RAM are the most likely sources for your problems but I have different solutions to share.
Regarding RAM, the BIOS usually allows manual setting of the memory refresh interval. One setting attempts to read the serial EEPROM on each RAM card to identify the RAM manufacturers recommended setting values; verify your BIOS is set to read the RAM SPD EEPROM. While your are looking at BIOS settings, verify the processor is not set to "Over Clocking" or "Turbo Mode", just select "Standard" operating modes. Also verify the BIOS is setup to fold-back the clock speed as the CPU internal temperature limit is approached.
Regarding CPU temperature, the internal CPU temperature can often be very different from the CPU case or heat-sink temperatures. Most CPU's should only reach 70C internal temperature at the highest processor loading and at the highest ambient temperatures. If you are routinely reaching 90C and routinely noticing that the CPU fan does not speed up I strongly suspect that the "Phase-Change" material between the CPU and heat-sink/fan assembly was damaged by previous overheating from fan damage. I have personally measured more than 40C temperature difference across a damaged 0.004" thick Phase-Change pad on an Intel processor. You can either purchase a new Phase-Change pad or removed the pad entirely and use silver impregnated thermal grease between the CPU and heat-sink/fan assembly.
I used the grease solution on this computer to solve its mysterious shutdown problems and it has been worked perfectly for 2 years now.
I hope my thoughts on this matter are of value.
Best of luck and best regards,
Z
Originally posted by reficul
i'm not too much of a computer guy,but i have to ask.
do you rely on the battery to run your laptop? if so,perhaps the battery needs replacing.
a few of my old cell phones would do this,even after fully charging them. turns out the batteries were fried,and to replace the battery cost more than a new phone!!!
any way just a thought!