Q:
Some key buttons on my keyboard failed to work, so I decided to replace the keyboard. But the same keys on the new keyboard still couldn’t work. Meanwhile, they cannot respond even in BIOS. So this should not be a system problem. Did I mess up the connection part on the motherboard? Then it means that I have to replace a new motherboard? If I have to, then that’s really terrible.
A:
1): If you’ve changed the keyboard, and same keys still doesn’t work, then it should be the keyboard interface problem on the motherboard. Check up keyboard connection wire, probably pulling and plugging it again could help. If it still fails, then it’s quite likely to be the motherboard problem.
2): Have you checked up the driver for the keyboard? If the function keys get a problem, then it might connect with driver. Try updating or reinstalling it.
3): As only few keys fail, probably you could do this:
A): Because of incorrect pull-and-plug, unconsciously you break the ZIF connection port.
B): You didn’t insert the connection wire correctly
Notice: many people would neglect this point: flat cable is locked by a plastic buckle. When it’s locked, if you drag by force, you may break the keyboard and the motherboard. Actually the method to unlock is quite easy: use a flat screwdriver, lift the both ends of the cable lock gently within 1 millimeter.
After unchaining it, the orientation cable function of the cable lock fails. Now just push the flat cable lightly, the keyboard could get off the laptop. You should try pulling and