Dell laptops with Trust charger, not compatable
Bought a Trust 120Watt laptop charger#38445 for an Inspiron 930 17" laptop. Box stated Dell compatability. I get a warning message stating that a non-compatable power adaptor is connected. The laptop continues to work off the mains but it refuses to charge the battery! Anyone experienced this problem before?
Sounds like a possible "you can only buy a dell adapter so we can charge you extra" (of epson printer cartridge non genuine warning fame)
Originally Posted by alexnifty
ok, so how does it know?
is it a winblows driver feature, or is it Firmware?
does it charge cold?
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I have seen similar messages with some Acer laptops a few years ago.
I would love to know how the laptop knows its not a genuine charger plugged into it.
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I've seen this before, it halts the Laptop before boot, so it aint a Windows thing, be good if there was a workaround
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i bet there is some kind of sotftware on a ram chip built into the charger, thats why there so expensive too ROFL
Wouldn't put it past the frakkers, I ordered mine off **** for a Dell XPS charger. Worked well, get it cheap from Hong Kong.
They do it to prevent cheap chargers from hong kong assploding their notebooks
the question is how do they do it
Its a bit backwards though - if their chargers werent so expensive in the first place, then people wouldnt have to buy the cheap ones in place of them!
It'll just be a chip or something in the PSU, which the bios detects on startup.. And then if you get a message from within windows, it'll just be through some program/service that the laptop manufacturer 'bundles' with their laptop which gets a reading from the bios..the question is how do they do it
You reckon its a quad core chip?
Perhaps they cyle the power at a certain frequency rather than constant?
That way the Bios would realise that its a constant supply and declare it a fake?
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