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  Topic : [Problem]Shuts down by itself New Topic
Amphitrite
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Posts : 3
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Tech Points : 0
From: Sweden
Posted:1/11/2009 11:47:00 PM # 1
Hi all!
Had this computer for about a year now and have been very satisfied with it. Problem is lately it's been shutting itself down, and without any warning beforehand. This have happened two or three times and every time while I've been looking through photos (RAW and hence several mbs) and the fan's been working like mad so I figure it might have something to do with overheating or something. Anyone else experienced this? Or know how to prevent it from happening again?
thanks,
//Anna

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Nico
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Posts : 7
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Tech Points : 1
From: Hungary
Posted:1/20/2009 1:09:00 AM # 2
I have the same problem, more or less. It's OK, if the notebook turns off if its critically overheated - if you block the ventilation by putting it on cloth, etc - it does that to protect itself from damage. I always put something under it's 4 "legs" even on my desk, just to raise it a but to gain more ventilation. My problem is that sometimes it turns itself off even at normal temperature - I didn't measure it exactly, but the fans went like normal and I didn't run any stressful applications. It did it 2 times just today! My machine is 1,5 years old. Sorry that I couldn't help you, maybe someone on this forum has a clue.

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Antikythera
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From: United Kingdom
Posted:1/20/2009 2:21:00 AM # 3
I wouldn't count on it being a heat issue either. There are numerous reasons a notebook or PC can suddenly shut off seemingly for no apparent reason.

Things you should investigate further. Run FULL tests not short versions as they can miss a lot of stuff:

1. Memory - Run a diagnostics tool such as Memtest86+
2. HDD - Again, check the health of the hard drive using the latest tool from the manufacturer of the unit in your system.
3. Battery - Make sure the connections are clean and the battery is pushed firmly in place and locked on.
4. Power Adapter - Make sure the connection pin on the notebook is intact, not bent or loose and there is no visible damage to the cables which should both also be fitted snugly on the adapter and notebook as well.
5. Look at the Windows Error Reports to see if there are any recorded incidents at the time the notebook switches itself off.

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F3Sr-AP725C:- Intel Core 2 Duo T7250 (2GHz, 65nm Micro-FCPGA, 2MB L2 Cache, 800MHz FSB, M0 Stepping) Intel 965 Santa Rosa Chipset, ATI Mobility Radeon HD2400 (128Mb Dedicated, up to 1919Mb Shared, ATI Catalyst 9.9), USB 2.0 1.3Mb UVC WebCam, Seagate ST916082 1AS 160GB (SATA150, NCQ, 8MB Cache, 387MB Flash), HL-DT-ST DVDRAM GSA-T20L (ATAPI33 2MB Cache), Intel(R) PRO/Wireless 3945ABG, 4096Mb DDR2-800 5.0-5-5-15 (2x2Gb SODIMMs: Micron CT25664AC800), 1Gb Intel 'Robson' Turbo Memory, OS: Windows 7 Pro x64
Nico
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Posts : 7
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Tech Points : 1
From: Hungary
Posted:1/20/2009 8:23:00 PM # 4

I've tried what Mike said - thanks for the advice! Fount out that mine wasn't an overheating problem, computer shut down while CPU was never warmer than 55 celsius, I tuned it down.

However, Vista doesn't store anything about the crashes. No boot screen about safe mode, etc, nor the question about "Windows have just recovered from an unexpected shutdown, do you want to search for solutions online..." etc. No. It acts as if I turned off the PC the usual way. So if it possible that it's an OS problem? I'm hesitant to re-install, as it shuts down about every hour, so I could be stuck in a vicious cycle without an OS.

I tried the methods you said, all seemed perfect (the battery, cables - I mostly use it as a desktop replacement, so it's fully charged ost of the time), the RAM check indicated no problems. I could run the Seagate utility's short tests without problems, however it's yet to complete a long one without shutdowns. After this post, I will give it a third go.

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Antikythera
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From: United Kingdom
Posted:1/21/2009 5:46:00 AM # 5
Try the DOS version which will rule out the operating system shutting down midway through the test procedure. It supports SATA drives so it will run ok on the notebook.

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F3Sr-AP725C:- Intel Core 2 Duo T7250 (2GHz, 65nm Micro-FCPGA, 2MB L2 Cache, 800MHz FSB, M0 Stepping) Intel 965 Santa Rosa Chipset, ATI Mobility Radeon HD2400 (128Mb Dedicated, up to 1919Mb Shared, ATI Catalyst 9.9), USB 2.0 1.3Mb UVC WebCam, Seagate ST916082 1AS 160GB (SATA150, NCQ, 8MB Cache, 387MB Flash), HL-DT-ST DVDRAM GSA-T20L (ATAPI33 2MB Cache), Intel(R) PRO/Wireless 3945ABG, 4096Mb DDR2-800 5.0-5-5-15 (2x2Gb SODIMMs: Micron CT25664AC800), 1Gb Intel 'Robson' Turbo Memory, OS: Windows 7 Pro x64
Nico
Member
Posts : 7
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Tech Points : 1
From: Hungary
Posted:1/21/2009 9:47:00 PM # 6
Well, I've done it, all the tests it suggested (short, long, generic), and neither of them indicated any error. So, I'm getting out of ideas, as the power supply also seems working all right. Or... could it be my OS (Vista Home Premium)? It's been on for almost two hours under the FreeDos of the SeaTool utility during the tests without a single shutdown. By the way, I've cleaned the notebook a bit, blew into the ventilation (some dust came out), and the average temperature of my CPU sank by around 5 C, from ~50 to ~45. However, the shutdown problem remained the same. I'm hesitant to open the back of the notebook for more in-depth cleaning, as I think it'll ruin the warranty. Thanks for all the help! Where can one donate tech points?:)

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Antikythera
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Posts : 1108
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Tech Points : 27
From: United Kingdom
Posted:1/27/2009 7:57:00 AM # 7
Your welcome. See this thread, it explains the tech points system and how to use it:

http://vip.asus.com/forum/view.aspx?id=20080617050515734&board_id=090&model=&page=1&SLanguage=en-us

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F3Sr-AP725C:- Intel Core 2 Duo T7250 (2GHz, 65nm Micro-FCPGA, 2MB L2 Cache, 800MHz FSB, M0 Stepping) Intel 965 Santa Rosa Chipset, ATI Mobility Radeon HD2400 (128Mb Dedicated, up to 1919Mb Shared, ATI Catalyst 9.9), USB 2.0 1.3Mb UVC WebCam, Seagate ST916082 1AS 160GB (SATA150, NCQ, 8MB Cache, 387MB Flash), HL-DT-ST DVDRAM GSA-T20L (ATAPI33 2MB Cache), Intel(R) PRO/Wireless 3945ABG, 4096Mb DDR2-800 5.0-5-5-15 (2x2Gb SODIMMs: Micron CT25664AC800), 1Gb Intel 'Robson' Turbo Memory, OS: Windows 7 Pro x64
Nico
Member
Posts : 7
Level :
Tech Points : 1
From: Hungary
Posted:2/3/2009 12:45:00 AM # 8
Well, the problem still persists...

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Amphitrite
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From: Sweden
Posted:3/7/2009 3:49:00 AM # 9
Thanks for the replies. I downloaded Coretemp and it seems the temperature is about 70 degrees Celsius all the time, in some instance up to - and above - 90 degrees. I called my local Asus support and they told me to send it in. Waiting now for the final verdict.

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Antikythera
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Posts : 1108
Level :
Tech Points : 27
From: United Kingdom
Posted:3/13/2009 9:10:00 PM # 10
if the vents and fan are clean and operational that to me would indicate a badly fitted heatsink or a poorly applied thermal compound to transfer heat from the CPU to the heatsink.

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F3Sr-AP725C:- Intel Core 2 Duo T7250 (2GHz, 65nm Micro-FCPGA, 2MB L2 Cache, 800MHz FSB, M0 Stepping) Intel 965 Santa Rosa Chipset, ATI Mobility Radeon HD2400 (128Mb Dedicated, up to 1919Mb Shared, ATI Catalyst 9.9), USB 2.0 1.3Mb UVC WebCam, Seagate ST916082 1AS 160GB (SATA150, NCQ, 8MB Cache, 387MB Flash), HL-DT-ST DVDRAM GSA-T20L (ATAPI33 2MB Cache), Intel(R) PRO/Wireless 3945ABG, 4096Mb DDR2-800 5.0-5-5-15 (2x2Gb SODIMMs: Micron CT25664AC800), 1Gb Intel 'Robson' Turbo Memory, OS: Windows 7 Pro x64
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