Question:
“I just bought a replacement dell inspiron 1520 battery. This was a replacement battery purchaed from a company other than Dell to save more. The battery works fine, but the laptop will now not take a charge. Is there a way to fix this, or has Dell built something into the laptop to prevent people from buying cheaper replacement batteries?”

Same Problem:

“hi, I have a problem with my dell 1520; When the computer is turned on but before Windows starts to boot up, I get this message on a black screen:
—————————————————————-
WARNING: The inspiron 1520 battery cannot be identified.
This system will be unable to charge this battery.
Press Any Key to Continue
Press
2 times to enter SETUP
Press and Any Key to enter Boot Menu
so please if you know the way to deal with this
kindly let me know
thanks a alot”

Answer:
“Yes, they do have somethnig built in to detect if you are using a non-Dell battery, ergo you would not receive messages like “Battery cannot be identified” at boot up, and a warning that the system won’t charge the dell laptop battery. It is simply a ploy to ensure users buy Dell batteries at their inflated price. It’s also known as anti-competitive behaviour in the business world.

Just so you know, they incorporate the same system with the power adaptor. If you use a non-Dell one, it will state that it cannot determine the power adaptor type and then let you know that the laptop will run slowly and will not carge your battery. Another way to make sure you behave and buy only Dell spares. Incidentally, with the adaptor it knows if it’s a Dell one because Dell use the centre pin of the adaptor jack connector to send a 2.5V ID signal to the laptop. The positive and negative of the 19V supply is on the inside and outside of the metal barrel of the jack plug. Internal pin is solely for ID signal.

I’m afraid the only recourse is to purchase a Dell adaptor if you wish for the laptop battery to charge. I’d recommend a second-hand one from eBay. Try to buy the highest wattage one you can.”

Answer2:”

When powering on a Dell portable computer, you may receive an error message similar to:

The dell inspiron 1520 adapter type cannot be determined. This will prevent optimal system performance.

Strike F3 key ( before F1 or F2 key) if you don’t want to see power warning messages again.

Strike the F1 key to continue, F2 to run the setup utility.

The system will continue to power on after pressing the <F1> key, but the error message is repeated every time the system is turned on. Also, the system may exhibit symptoms such as sluggish performance or the dell inspiron 1720 battery does not charge.

The error message can be caused by any of the following:

* An unsupported AC adapter is connected to the system or docking station.

* The AC adapter is not fully connected to the system.

* The wall power cord is not fully connected to the laptop AC adapter

* The AC adapter or system’s AC adapter port is damaged.

» Ensure a compatible dell inspiron 1520 adapter is being used.

Dell portable systems have different power requirements based on the processor type, system features, and configurable options. Use the list below (Table 1) to determine the minimum AC power required to effectively run the system and charge the battery.

Adapter

Family Wattage Supported System Models PA-12* 65W Inspiron 1420, 1520, 1520, 1521, 6000, 8600, 8600c, 300m, 500m, 510m, 600m, 630m, 6400, E1505, 640m, E1405, 700m, 710m, XPS M1210, XPS M1330, and XPS M140

Latitude 131L, D400, D410, D420, D430, D500, D505, D510, D520, D531, D600, D610, D620, D630,D631, X300, Vostro 1000, Vostro 1400 and Vostro 1500

These systems can also use the PA-10 90W AC adapter.

PA-10 90W Inspiron 1150, 1720, 1721, 5100, 8200, 8500, 9200, 9300, 9400, and E1705

Latitude 100L, D800, D810, D820, and D830

Precision M20, M4300, M60, M65, M70 and Vostro 1700

PA-13 130W Inspiron 5150, 5160, XPS Gen2, M170, M1710 and Precision M90

PA-15 150W Inspiron XPS, Inspiron 9100, and XPS M2010

* Systems that are compatible with the 65W PA-12 AC adapter must use the PA-10 90W AC adapter when connected to a Dell D/Port or D/Dock docking solution.

http://www.laptopbatteryinc.com.au/dell-inspiron-1520.html“