Hello, your ThinkPad X40 isn't displaying the IBM splash screen and there are no sounds coming from it.
Hello, your ThinkPad X40 isn't displaying the IBM splash screen and there are no sounds coming from it.
It's actually a CMOS battery, so they don't require one to start up or a hard drive. Make sure you're using the right charger—at least 16V and 3A minimum. Otherwise, the backlight might have failed. You can test it by shining a flashlight at the screen from an angle while it's on and checking for any issues. They were known for this feature if you're familiar with it.