Question about Olympus Camedia C-740 Ultra Zoom Digital Camera

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Does not turn on any more

My C-750uz does not turn ofn any more after a power loss when it was turning on. it had no batery only the adapter, and the was a 5 minutes power failiature of the mains supply voltaje.now id does not turn on with batery or adapter

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Probably the mainboard got damaged, u will need to sent it to a service, to get replaced the mainboard.

Posted on Jan 19, 2007

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Posted on Jan 02, 2017

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2 Answers

My Samsung tv remote works for all other functions except ofn sensor


if you do not press any buttons for a while ofn sensor will be off automatically .. to turn it on again press navigation keys (up down left right)

Aug 12, 2013 | Televison & Video

1 Answer

I bought new universal adapter for asus laptop and it charges batery just when laptop is turned off


Problem description: The battery charges only when the laptop turned off. The battery charge LED lights up as normal and the battery gets charged to 100% while the laptop is off.
When the laptop is turned on, the battery charge LED goes off even if the adapter is still plugged in.
Possible cause: 1. AC power adapter failure.
2. Battery failure.
3. Broken/loose power jack.
4. Motherboard failure.
Possible troubleshooting steps and repair solution: 1. This problem could be related to a faulty AC power adapter. It's possible that the AC adapter doesn't provide enough power when plugged into the laptop. To find out if this is your problem, you'll have to test the laptop with another working adapter.Replace the adapter if needed.
2. There is a slight chance that you have bad battery. Test the laptop with a know good battery and replace the faulty one if needed.
3. The battery charge problem could be related to the power jack. Maybe the jack is broken or not making good contact with the motherboard. It is necessary to remove the motherboard and take a closer look at the power jack. Resolder or replace the jack if needed.
4. If the power jack is in a good working shape and new power adapter with battery do not fix the problem, most likely you have a faulty motherboard. Replace the motherboard if needed.

Reference: http://www.chargerbuy.com/blog/battery-charges-only-when-laptop-turned-off/


ASUS laptop AC Adapter

Jan 25, 2011 | Computers & Internet

1 Answer

My laptop was shut down, then when I was start it again it doesnt work anymore...What should I do?..please help me, aside from this those keyboards does not functioning correctly in their corresponding...


First thing you do to power your laptop on again try removing the battery and the charger complitly leave it for 10 sec without power then press the on off switch for 2 or 3 times without puting the power or batery later try not to put the battery and put only the power adapter and start your laptop dose it starts if yes good shut it down and put the batery in and start the laptop if its starting and leave it running for cuppul of hours and then again remove the power adapter and let it run the system with batery power if it stays on and fine you are ok and fine there was just a power dump but if it fails in any case like fails to boot with power adapter and so you have adapter issue need to be checked if dosent work with batery it self its a batery issue and needs replacement .
regarding the keyboard issue you can open the kay board and clean it with contact spray if posible.

Dec 12, 2010 | LG NB E500-JAP51A Notebook

1 Answer

MY NC9400 CANT TURN ON, WHEN I PUSH THE BUTTON, THE BATERY LED INFRONT OF THE COMPUTER JUST FLASHES 8 TIMES, BUT COMPUTER DOESNT TURN ON, IS THE SAME PROBLEM WITH THE CHARGER CONECTED TO THE ELECTRICITY...


1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. Make sure the DC jack is not loose or broken. A loose DC jack will need to be re-soldered. A broken one will need to be replaced.
4. If you have another processor which is compatible with your laptop's model, try swapping processors & test to see if the laptop will work.
5. The power button could be bad.
6. The motherboard could be defective & needs to be replaced

Sep 11, 2010 | HP Compaq nc6400 Notebook

1 Answer

Notebook will not turn on brand new notebook after use it went to sleep and it would not turn on again. it is plugged in and all it does is lite comes on and indication that batery is charging.


Disconnect the power adapter and remove the battery, wait for 5mins.then connect the power adapter to the laptop, leave the battery out at this stage and power up the laptop. If it boots up then insert the battery.
If you are still having problems, return it to the supplier for a fix or replacement.

Apr 01, 2009 | Acer Aspire 5500 5570-2609 Laptop

1 Answer

Turn on


Have you checked your power adapter with a digital multimeter? Maybe run it by your local radioshack or computer super store if you dont have a DMM and see if someone can check the voltage on it. Maybe your adapter died, then the laptop was running on battery until it went dead.

Another quick check, remove the battery all together. Plug in the ac adapter... does it turn on? does it show any lit led's indicating it is plugged into the wall? try wiggling the connector at the jack on the laptop, does that light any led's or cause power to be restored?

Oct 31, 2007 | Toshiba Satellite A105-S4004 Notebook

1 Answer

Compaq presario does not turn on


Your battery is dead. You need to get a new power adapter. The battery isn't charging. The AC adapter went south. If the laptop is under warranty, you can get one from Compaq. Or, what I would do is shop on the internet and order one. Whats the numbers on the ac adapter? I'll help you find one.

Jun 30, 2007 | HP Compaq Presario V2000 Notebook

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