Question about Acer TravelMate 290 Notebook

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No power when at switch on

Acer 290 . Power from the charger is going through the charger cable before it connects to the computer, I checked this with a multimeter. At this point none of the 3 front lights come on. Blank screen also. No Sound Dead Post mortem required any ideas anyone for resurection? Gerry

Posted by gerry mclaren on

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Sounds like the power socket on the laptop may have broken loose from the board. Very common. If you have a multimeter, try and check the voltage ont the tines where the main battery receives it's charge, with the ac adapter connected to the laptop. That will tell a lot. Good luck

Posted on Jul 25, 2007

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Black or blue screen on power up. does not boot


If you have a multimeter, it'll be easy.
Plug the Acer Aspire 7741z charger in, test the connector of the adapter with a multimeter, remember, you only need to measure the DC voltage of the adapter.
If the readings are close to the specification on it's label, then the charger is OK.
If you do not have a multimeter,
Turn the computer completely off and remove the battery,
then check out whether you can
power up the Notebook with AC power only (no battery installed).
If you can power up your laptop, then the battery is dead.
If you still cannot power up your laptop,the adapter defective and you need replace it.

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L100 desktop


Lost a power cable?

Like it was walking down the street one day, and the power cable fell out of it's pocket?

Or do you mean came loose?

Or in YOUR estimate, that one power cable coming from the Power Supply, is bad?

The first one I was trying to be funny.
I'm serious about the last two.

http://www.geeks.com/details.asp?invtid=ASL100-UA380A-R

Hmmm, okay let's try this another way,

(Notice I didn't even go to Acer Support. With the info they give the consumer, it isn't worth the trouble. Also tells you a lot about this computer company.........)

http://www.ebay.com/itm/Acer-Aspire-L100-Motherboard-MB-S6909-003-MBS6909003-/120919471509?pt=Motherboards&hash=item1c275cb595

Oh, I see................

http://www.amazon.com/Acer-Power-Aspire-Adapter-Supply/dp/B004PYZSCC

I just got schooled.

Don't believe there are any power wires inside to connect, Christina.
Power is from an external power supply, that plugs into the computer.
(Like a laptop)

The only wires in my estimate, is;
A) The small audio wire from the optical drive (CD/DVD drive) to the motherboard, (Close to the Blue VGA port)

B) The Front Panel wires,

C) USB Front Panel port wires to motherboard

D) Media Card Reader wires to motherboard

E) Harddrive and optical drive data cables to motherboard. (One each)

(The front of your computer is the Front Panel)

Computer not coming on?
See if the external power supply is good.

Voltage coming out is supposed to be 19 Volts DC.

The plug end on the external power supply;

The center hole is the Positive ( + ) connection.
The cylindrical metal shell on the outside, is the Negative ( - ) connection.

Multimeter positive ( Red) probe lead goes to center hole.
Negative ( Black ) probe lead touches outside cylindrical metal shell.

Multimeter positive (Red) probe lead, plugs into red hole on multimeter, marked DCV.
Negative (Black) probe lead only has one hole (Black), to plug into.

Function knob is set to DC Voltage. DCV.
If just a symbol, the symbol is a dotted line over a solid line.
If more than one scale, set it to the 0-50 Volt scale.
(0 to 50 Volts ]

An economical multimeter is about $5 to $12.
Auto parts stores have them. (Although probably more expensive)
I have seen them on checkout aisle racks, at major discount stores.

While checking the AC adapter, have an assistant gently wiggle the cable, from the AC adapter TO laptop.
See if the reading on the multimeter fluctuates. If so you have a broken wire in that cable.

Have the assistant also gently wiggle the power cord.

Or take down to nearest 'Mom and Pop' computer shop, (Small store), and have the resident tech check it for a few bucks

Could also be the Power On switch.
This is located inside the plastic assembly, of the power on button.
They go bad, and do not leave a forwarding address ;)

Post back in a Comment.

Regards,
joecoolvette

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Laptop batteries age.

Yours may be simply going dead. This happens after a while. If it only holds a little charge, then you need a new battery which can run 20-50 dollars on ebay.

Otherwise, it is your charger. This is cheaper to replace and might cost 10 to 30 dollars from ebay.

Lastly, if none of the above, it is your laptop connector port. This is the worst to fix and might require repairs that are costly.

Keep in mind, if you are under warranty, all of the above are covered and you simply need to call Acer.

Regards,
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See if there is an error beep. If there is an erro beep, then change
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Power off. Then check if RAM CPU BIOS are well-connected.
Press Fn+F5 three times slowly
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LCD inverter
LCD
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