I have lithium batteries in my IBM notebook. ion battery. What is the best way to store for a long time? John HughesmailA Lithium-Ion batteries degrade over time. You can increase your life by avoiding consuming life between charges. Laptop batteries are degraded mainly due to heat, so don't put them in a hot computer running on the power supply. For longer-Store the battery in a cool and dry place for a long time, charging about 40%. My laptop speaker has stopped working. What can I do? Michael Burton of Dublin A ensures that the audio of the laptop is not set to mute, then reinstall the audio driver from the system disk of the computer, or download from the laptop-Maker's websiteBuy an external USB sound card if everything fails-