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My Lenovo thinkpad x230 power button has stopped working to turn my computer on after a shutdown. I can still force start it by attaching the AC when adjusted in BIOS but clearly not ideal when there isn’t a power source available. The power button does however work to shutdown or sleep the computer once on so I don’t understand the issue. So far I’ve tried a few methods on the internet - taking the battery out, holding the power button for 30 seconds, putting the battery back in but nothing and given that the button still works to power off it isn’t a problem with the plastic button pressing down underneath. The battery is also pretty degraded, only holding 20% of its original capacity so I don’t know if that could be the cause. I could buy another keyboard for £30 but I’m not even sure that’s the problem so don’t want to waste money if I might as well get a whole new laptop. I’ve also been trying to remap another key to the power button but hasn’t worked. Any help would be much appreciated, thanks
There is a spring like machinal switch under it that sometimes becomes clogged with dirt or lint. If this isn’t the issue you can try flashing the BIOS as sometimes this is the issue. However if the battery is that old and degraded it may not be able to pull enough power to start the boot cycle. This tends to happen below 25% power especially if one of the cells(likely 18650’s) has become a drainer. Does the battery hold power over a couple of days without it in use and removed? A laptop or PC draws the most current at one time right as you push the power button. This may also explain why when you plug it in it works. it should work instantly when you plug it in unless you have a bad cell draining power but in this the battery should get a hot spot. Can you turn on without a battery installed?
