Replacement Dell Inspiron F7970 AC Adapter can extend the life of your laptop for two years. If you still get excellent use out of your current laptop, there’s no need to spend thousands replacing the machine when you can replace the Dell AC Adapter for less than .
Chances are you will run into this problem if your Dell laptop is more than 3 years ancient. When you do, the most likely culprit is a terrible Dell ac adapter, such as Dell Inspiron F7970 AC Adapter. It has happened on every one of my last 5 computers. Manufactures are notorious for using cheap laptop ac adapter to reduce production costs, but the excellent news is it is amazingly simple to fix yourself. Once you find the right unit, the repair takes minutes and you’ll spend a fraction of the price a technician might charge.
Here is the guide to replace Dell Inspiron F7970 AC Adapter:
Disconnect all power and external peripherals from your computer and remove the cover or side panels. Don’t be worried, it only looks intimidating in there. The Dell Inspiron F7970 AC Adapter is located in a corner. It is probably the largest component inside the computer and looks like a metal box, usually with a fan built in. The power cord plugs into it and there are various cables from the other components plugged into the opposite end. It is very simple to locate.
The box should have some labeling on it that will tell you the power rating. The Dell Inspiron F7970 AC Adapter may be two ratings, a peak wattage and maximum sustained wattage. Focus on the maximum as this is the number that is most vital. It will usually be between 300 and 400 watts. It is always advisable to buy excess capacity here. You’ll spend a few more bucks, but the component will last longer.
Also, if your computer has a high end graphics card or other high end components, it may have a Dell Inspiron F7970 AC Adapter with a higher rating than stated above. If you’ve upgraded these components in the past and neglected to upgrade the Dell AC Adapter, this could have caused the failure and you should look at your upgrade documentation to determine how much additional capacity you should buy to properly power those components.

Dell Inspiron F7970 AC Adapter Features/Specifications : http://www.usadapter.com/Laptop-Dell-Adapter/Inspiron-F7970.html
Input: AC100-240V (worldwide use)
Output: DC19.5V 3.34A
Power: 65W

Connecter size:
Internal Diameter: 5.0mm
External Diameter: 7.4mm
With central pin inside

Item Includes: AC Adapter and Power Cord.

Groundbreaking new Replacement Product, works as genuine parts, 100% OEM Compatible!!

Dell Inspiron F7970 AC Adapter Warranty
12 months warranty

See more laptop ac adapter information on: http://www.usadapter.com