Yes, a laptop battery can sometimes be reconditioned slightly, but ageing lithium packs cannot be fully restored and unsafe cells must be replaced.

Yes, you can attach a keyboard to a laptop through USB, a wireless dongle, or Bluetooth to make typing easier and more comfortable.

No, most laptops cannot accept HDMI input; their HDMI ports send video out only, so you need other tools to bring an external picture onto the screen.

Yes, a laptop can be used as a desktop when you connect an external screen, desk input devices, and keep it powered for steady everyday use.

Yes, a laptop battery can completely die when age, heat, or deep discharge damage its cells so badly that it no longer holds usable charge.

Yes, a laptop can be a monitor when it can handle screen sharing, casting, or display input from another device.

Yes, a keyboard can be plugged into a laptop through USB, USB-C, wireless dongle, or Bluetooth, as long as the laptop has a matching connection.

Yes, a laptop can be a hotspot by sharing its internet connection over Wi-Fi or Bluetooth through built-in hotspot or Internet Sharing settings.

Yes, a laptop battery can explode in rare cases when it is damaged, shorted, poorly made, or exposed to extreme heat.

Yes, a laptop battery can die as its chemistry ages, but good habits delay that loss of capacity and keep your computer running on the go.