Updating BIOS for Sony Vaio's (New Battery)

- Take out AC Charger
- Shut down laptop
- Take Battery out
- Put AC Charger back in
- Turn on computer and click start
- Control Panel, System, Device Manager
- Uninstall ACPI Compliant Control Method Battery
- Shut down
- Take out AC Charger
- Hold down the Power button for 60 seconds (God knows why but apparantly it works; drains the leftover power  )
- Put the battery back in
- Put AC Charger back in
- Turn on and click start
- Control Panel, System, Device Manager and click 'Action'
- Scan for hardware changes and see if your battery now charges.