To troubleshoot a laptop keyboard with a delay when typing, here are some things to consider:

1. Check the device’s settings – See if there is a delay setting that can be adjusted in the operating system or laptop settings.
2. Reinstalling keyboard drivers – Make sure all drivers related to the keyboard are up-to-date.
3. Check the keyboard hardware for damage – Inspect the laptop’s keyboard and determine if any component may be causing the input delay.
4. Clean the laptop’s keyboard – Remove dirt, debris, and other foreign material that may be causing mechanical or electrical issues.
5. Replace the laptop’s keyboard – If other solutions don’t seem to help, consider replacing the laptop’s keyboard.