AC Adapter not charging nor powering laptop. But laptop works if a battery is used
Lookin at purchasing a used laptop. The seller states:
"AC adapter stopped charging the battery and also it will not power the laptop. The only way the laptop can run is from the battery.
When you plug the adapter into the laptop it registers on laptop as charging the battery. (charging light on laptop goes on) Laptop says that it is charging, but in reality it is not charging the battery
To use the laptop, I use an external charger to charge the battery
Also the speaker does not work but sound will work if you use the headphone jack"
Seller thinks it's a mobo that's fried? If it's a fried mobo, that's $150 to replace. However a new AC Adapter is only like $7. A new battery is ~$30.
Thoughts? I started to lean towards a bad AC adapter, but the messed up laptop speaker thinks it might have gotten zapped with a power surge???
Last edited by Mike_Hawk; 10-17-2010 at 07:39 PM..
If I had to take a wild stab at it, I'd say motherboard.
If the charger was dead or dying, I wouldn't expect the charging light to be on.
Unless this thing is super cheap, or you enjoy hardware repair, I wouldn't buy someone else's problems.
Common problem, almost always the power jack on the laptop. Fixable (parts for common models are generally not too hard to get), but tearing the whole thing down to get to the power jack can be a pain.
Speaker could be a dozen things.
Wouldn't be worth the hassle to me personally unless bought at a huge discount.
bad ac adapter (e.g. the brick) or bad mobo connector. Bad mobo connectors are very common - semi easy to replace (like $5 but some disassembly required). I replaced a couple for a coworker's kids - repair places wanted a couple hundred $$ and HP/Sony wanted big $$ to replace the mobos. In each case I bought the parts off of ebay for $5-$10.
The speaker thing is likely the hardware itself (if the jack works, then the sound "chip" and hardware is OK, and drivers are OK).
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