Solved 90b error a minute after startup?

August 28, 2017 at 17:11:01
Specs: Windows 7
I logged on to my computer after about three and a half hours of no use. Logging on was just fine, then all of a sudden before I get a chance to do anything, my screen goes black like an overheat and the computer shuts off a minute after. I press the power button and it gives me the 90b error upon startup. I've never had this error before, but the weirdest part is that my fan is in fact blowing and I can feel the warm air coming out through the vent. I'd been having issues with Windows Update lately (which seems to have corrected itself, no clue how...) and then this happens. Will post an update if this happens again.

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August 28, 2017 at 19:03:26
✔ Best Answer
My Magic 8 Ball of Tech Support tells me you have an HP laptop, and this error is HP BIOS' error about the cooling system failing.

You don't specify a make/model, but it's possible your system has more than one fan, and the one you're not checking has failed.

It's also possible the vents are blocked or dirty. Make sure there's nothing around the vents, including any cloth mats, and clean the vents with heavy applications of compressed air. If that doesn't work, take it into a shop to have them open the case to clean the airways and inspect the cooling system.

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August 29, 2017 at 06:34:58
Thank you for the response. I'm going by the assumption that when I booted up my computer, at the time the fan might not have been working, which is what prompted the immediate shutdown and the message afterward. I have cleaned out the vents and the fan seems to be working properly like it always has, so this error was pretty confusing.

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