My keyboard isn't working well recently. When it connects itself to the computer via Bluetooth, the key for the number "4" seems stuck and remains pushed down.
(So you can see a row of 4s appear on the computer screen.)
ご質問ありがとうございます。
"My keyboard isn't working well recently."=「最近、私のキーボードが上手く機能していません。」
"When it connects itself to the computer via Bluetooth,"=「Bluetoothでパソコンに接続すると、」
"the key for the number "4" seems stuck and remains pushed down."=「「4」のキーが引っかかっているようで、ずっと押されています。」
ご参考までに。