Windows (bootup) freeze at low chassis temps - solutions?
Posted: Sat Nov 10, 2012 8:17 am
My T400 (6475-W32) has since I bought it used a year ago displayed a very strange problem: it freezes at boot when chassis temps are low.
At room temps (20C/70F+) it's all fine, around 15C/60F it's into the risk zone, below that a freeze is certain and at temps below say 10C/50F it may at times freeze at more than one boot attempt. Freezes usually occur at windows login screen or short after, but at times also before that. Once it has run for a few minutes, it's all fine (presumably since components have heated up a tad).
I've identified the culprit being the WiFi card (Intel 5300AGN) and it's only by physically removing the card that the problem goes away (HW radio on/off and/or disable wifi in Windows does not help). I sourced a new one off ebay, but the problem unfortunately persists and although more of a nuisance than a problem, I would prefer to get it fixed.
Next suspect is ofc the motherboard itself, but any thoughts and comments are most welcome, including conclusions about it indeed being the motherboard.
At room temps (20C/70F+) it's all fine, around 15C/60F it's into the risk zone, below that a freeze is certain and at temps below say 10C/50F it may at times freeze at more than one boot attempt. Freezes usually occur at windows login screen or short after, but at times also before that. Once it has run for a few minutes, it's all fine (presumably since components have heated up a tad).
I've identified the culprit being the WiFi card (Intel 5300AGN) and it's only by physically removing the card that the problem goes away (HW radio on/off and/or disable wifi in Windows does not help). I sourced a new one off ebay, but the problem unfortunately persists and although more of a nuisance than a problem, I would prefer to get it fixed.
Next suspect is ofc the motherboard itself, but any thoughts and comments are most welcome, including conclusions about it indeed being the motherboard.
