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[user5555]

Hello, I just need an information
I have an Acer Aspire laptop where, which has an adapter with an output of 19 volts 3.42 Amps (65 Watts)

Now, the laptop wouldn't turn on with this adapter, ( only on battery it will turn on)
so I switched the adapter with an 18V , 3.5 Amps LPS (65 watts) adapter

Now the laptop won't turn on at all
Did the 0.08 amps diffence killed it ?
Plus...what the heck is LPS ?

 

[user5555]

btw, when I switched to adaptors, still no lights turned on....no nothing.
It just won't turn on on battery now either

 

[frozenlead]

The current does not matter when choosing a secondary notebook adapter, as long as it's not less than the original - the notebook will only use as much current as it needs to.

Voltage, however, must be the same. You can't use an 18V adapter with the notebook, it needs the 19V potential. The adapter you bought also could have been bad.

Strip down your notebook and see if you can get it running on the original supply. Do you have a multimeter to test that supply with?

 

[user5555]

Yes, I have a multimeter....but what do you mean with strip down ?
Do you mean, take the battery out ?

I bought a universal adapter, I've put the switch at 19 volts
Now the battery light turns on, but the laptop itself doesn't turn on.

 

[frozenlead]

Strip it down like disassemble it until it's just a board lying on your counter top. You need to figure out why it won't power up. Strip it until all that's left is the board, CPU, and one stick of memory and see if she'll boot.


Of course, don't try this if it's under warranty, but you probably already voided it by using a different adapter.

 

[user5555]

Laptop turned on. It's a switch problem

 

[user5555]

Best answer selected by user5555.