Sound on the right side internal speaker is dead

While playing songs, suddenly, sound on the right side internal speaker is dead but another -left side speaker is working, now only one speaker is producing sound. If I check it using headphone, sounds on both sides (left and right side) are coming. Please let me know what the reason it is.
Both channels in headphones [...]

I want to replace a dead fan on Toshiba Portege A100 notebook

I’m fixing my girlfriends Toshiba Portege A100 and the fan is dead is there anywhere online where I can order a new fan besides Toshiba (i.e. non genuine parts or second hand ). Thank you for your time.
I had to repair Toshiba Portege A100 only 2 times. First time I replaced the hard drive and [...]