Something Rattling Inside The AC Adapter

[elite-elitist]

I've got something rattling inside the AC adapter. Should I be concerned about it? Too bad they make these things so you can't open then.

[rkawakami]

Yes, you should be very concerned. You should also NOT use it as if the "rattle" is a piece of metal, it can potentially short across something inside.

[elite-elitist]

I was thinking that if it didn't damage anything so far, it will not damage anything in the future. Also, doesn't the adapter have over-voltage and over-current protection?

I hate to be putting money into this old laptop. However, I ordered a new adapter just to be on the safe side. Plus the rattle gets on my nerves.

[rkawakami]

Most likely, the piece that broke off inside the adapter is made of plastic, and thus will pose no problem with creating a short. However, since as you point out, the adapter cannot be easily opened up and inspected. Well, that's not really true.. you could crack the case open but you'd have a problem putting it back together . I don't think that any of the adpaters I've seen have screws underneath the label.

Yes, the design of the supply probably will withstand a direct short across the output but that doesn't mean that a short somewhere else in the circuit can be tolerated. In my mind, it's not worth the chance to blow the supply (best case) or cause a fire (worst case). You can usually find genuine AC adapters on eBay for under $15 shipped if you are patient.

[Tholek]

Tough call. If I could afford it, I just replace it, but the sound the piece makes might determine if it's plastic or not. (Like a tab, which snap so often)

I'd get it X-rayed, shake it again, then re-x-ray. If there's any bits of metal in a different spot, then you know.

Know anyone in airport security?

[junglemike]

The question is - does it rattle when you shake it in your hand, or when it's laying still on the table and connected to power outlet?
If the latter is true - there is contact braking out somewhere inside. Or some component have been detached from pcb little bit.
If the first assumption is true - it's probably piece of plastic and you have nothing to worry about.