It would take a device that is of the same size as the “one wire” chip that is in the power adapter. There could have been ( and probably is ) voltage sensing circuitry in the laptop that can detect if the incoming voltage is to high. Identifying that the AC supply ( which is perfectly good ) is not a DELL does not prevent battery flammability issues. That protection is oru should be in the PC and the battery pack. PS the idea that it is protecting the battery from fire is not acceptable. Well we may not have courts involved with this issue, but as one post above suggested… We vote by not buying DELL in the future. This is not much different than when HP pushed a “software upgrade” to their printer drivers to detect “official HP genuine” printer cartridges. Keeping in mind that these chargers are not worth more than $20.00 US in the first place and then having to pay as much as $100 to $120 as ransom to the DELL marketing division is border line criminal. This kind of engineering is nauseating! To know full well that this is not value added in any way, but forces the customer to buy only “Official” hardware. I am an electrical engineer, designing custom scientific circuitry for more than 30 years. I am in a foreign country on deployment when the charging died.Īfter purchasing a universal charger, I discovered that DELL uses a Dallas “one wire” ID chip which is queried on the center pin. ĭELL’s marketing driven engineering is infuriating. But since I bought the adapter and it was not the problem I purchase a new battery and still it is not charging and adapter still wont start the pc So any suggestions as to why the adapter is good enough to keep the pc going but not good enough to start it up?and why it wont charge a brand new battery?. And once the adapter is pluged in it says Not charging,so it still has a problem, so I need to save all the charge I have left on the battery for the next time it boots. So I unplug it press power to reset it then I put the batterey in ,then after the battery is in,ii press power again and pc boots normal then once windows starts, I plug the adapter into the laptop and remove the battery to save it for the next time I need to start the laptop. I have a dell precision laptop its old but it works great for internet searching and playing media but it has a charger problem I thought it was the adapter so I purchased a new one but I got the message that the adapter was unrecognized and that the laptop only charges with a 90 w charger or higher and press f1 to log off.It doesn’t let me get into the laptopor start windows just log off. Sometimes this message may appear if your laptop battery or AC power adapter needs to be changed. PS: Only use this method if your AC adapter is fine and in working condition. Save the changes and exit from BIOS settings and now you’ll never get the annoying warning message about AC power adapter type at startup. Press Enter key to change its value and select “ Disabled” option from the list.Ĥ. After entering into BIOS settings page, go to “ Advanced” tab and move down to “ Adapter Warnings” option. If you don’t know the password or if you have forgotten the password, you can check our exclusive BIOS password recovery tutorial to reset or remove the password.ģ. Enter your correct password to access BIOS settings page. If you have set a password in past, it’ll ask to enter the password.
Once you press the correct key, it’ll open BIOS settings screen. Related: How to Enter BIOS Settings on Your Windows PC?Ģ. Most of the times, the correct key name is displayed on the BIOS boot logo. If F2 key doesn’t work for you, try to press Delete key. Please note that different laptops provide different keys to enter into BIOS settings. Switch on your laptop and press F2 key to enter into BIOS settings. If you also get this kind of error message each time you switch on your laptop and if you also want to disable the message, following steps will help you:ġ. I changed its value to disabled and it removed the error message forever. I looked into BIOS settings and found an interesting option “ Adapter Warnings” which was set to enabled. I know that the AC adapter is fine and can charge the laptop without any problem, so I don’t want to see that annoying error message at every startup.
The startup process stops at this screen and I always have to press “ F1” key to continue the boot process. Please check AC adapter connect properly, remove AC adapter and plug-in it again, thanks. This will prevent optimal system performance. WARNING: The AC adapter type is less than 130W or cannot be determined.
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