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Whats wrong with my laptop power?

Hi,
I have Del inspiron 1521 with Win 7. I lost my original power adapter so bought a universal one from Best Buy for $150. I was working fine. since it was expensive so I bought a replacement one online for like $10. it worked good for only 2 days. now it does not charge at all. but the universal one works but it does not charge i.e. once you take the power out the laptop turns off. i got to know that the universal one uses 90w but the laptop requires 65w. what could be the problem and how to fix it,

Many thanks..

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Sadly.

In reply to: Whats wrong with my laptop power?

Those cheaps can fail or cause machine damage. Get a real Dell unit and hope it works again. If not, there are all of 3 parts involved. Battery, motherboard (where the power is handled) and the adapter.

Sorry to see another failure like this. It's why I have no reservation on advising replacements with only the maker's adapters.
Bob

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i know

In reply to: Sadly.

i know it can damage but because it was cheaper I went for that. I am going to buy genuine ones for charger and adapter. but is that going to solve the problem. I am afraid its not motherboard issue since i used higher power (90w for 65w). what u say?

Collapse -
Crystal ball.

In reply to: i know

Sorry but we can't know without trying a good adapter. And as noted it appears you don't have a Volt meter to check the unit you have.

The problem is that a shop may charge as much as 150 bucks just to look at the machine and test if a Dell unit works with it. That's a shame since the dell adapter could be less than that.

There's the problem. You are looking for some assurance that getting this or that will fix it but you don't own the tools. The odds are against a new adapter helping so it's time to decide on getting an estimate. Said estimate will likely include not only a Dell adapter but a new motherboard.
Bob

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