跳到步骤＃9
步骤行
| - | [* black] On the circuit board, cut around the failing button with a safety knife. Once it is loose, peel it off delicately with a screwdriver or tweezers. |
|---|---|
| + | [* black] On the circuit board, cut around the failing button with a safety knife. Once it is loose, peel it off delicately with a screwdriver or [product|IF145-020|tweezers]. |
| [* black] Clean the button with rubbing alcohol. | |
| [* icon_caution] Be careful not to dig into the circuit board with the knife. This could seriously damage your calculator! | |
| [* black] Place the button back on the circuit board, then use a small amount of adhesive tape to reattach it. |