Uninstalling and reinstalling power management software in Windows
Vista
In order to correct problems with the battery’s power management
software, follow the steps below.
1. Click Start and type device in the search field, then select
Device Manager .
2. Expand the Batteries category.
3. Under the Batteries category, right-click the Microsoft ACPI
Compliant Control Method battery listing, and select Uninstall .
WARNING: Do not remove the Microsoft AC Adapter driver or any other
ACPI compliant driver.
4. On the Device Manager taskbar, click Scan for hardware changes .
Alternately, select Action > Scan for hardware changes .
Windows will scan your computer for hardware that doesn’t have
drivers installed, and will install the drivers needed to manage your dell inspiron 1520 battery's power. The notebook should now indicate that
the battery is charging.
www.laptopbatteryinc.com.au
Adapter has gone bad or battery charger slot is not working fine
Remove the battery from its compartment on the side of your Dell Inspiron laptop computer.
Remove the power adapter from its plug on the side of the Dell Inspiron (if your laptop is currently plugged into a wall outlet).
Press down and hold the "Power" button on the laptop for one to two minutes. This will dispel the excess electrical current that is built up inside the laptop.
Put the battery back inside the compartment of your Dell Inspiron.
Plug your power adapter back into the side of the Dell Inspiron. Press "Power." Your laptop computer will now turn on.
hope this helps
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