Acer Extensa - Recent Questions, Troubleshooting & Support - Page 5

Mass storage controller is the card reader driver. For this model it is TI 7412 and you can download it here.

Could be a virus. Do a repair using your OS disc

have advanced uninstaller installed and clean out everything with this excellent free tool.

Replace keyboard

if your computer has the history of repair, i suggest you have to take it back to the technician and check if all hardware are properly installed. if not, it maybe a short circuit on your board. thanks

ask the theif who sold it to you. maybe he knows the password

There is a bios cracker utility included in Hirens. http://www.avoiderrors.net/remove-bios-password-using-hirens-bootcd/ You can find other useful downloads for free here: http://freecompadvice.webs.com/