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No display when power-on

When my CD-608 is power on from battery, there is no display. When I connect the power adaptor, the power LED lights up orange colour, but still no display. Please help.

Pearly Leong, Singapore

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  • huananbb Jan 14, 2009

    CD-608 can be charged, but can not be power-on.

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1 Answer

Power on no display, light flash on shortcut button


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if its connects properly

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if cpu led indicator is on but no display, then just press the restart button it works

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My compaq won't turn on and nothing shows that the current is in but the adaptor works properly


When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

Mar 13, 2013 | Computers & Internet

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Hello. I have a lenovo n500. The battery died after i unplugged the adaptor for a few minutes. I plugged the adaptor back in blue light on adaptor and blue light on laptop are on- no power up. I have tried...


POWER SUPPLY & BATTERY PROBLEM
If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all. OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time. If the battery drops to an unacceptable charge level then the battery needs to be replaced. Rechargeable batteries will fail if stored in a discharged state for long periods. When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

Jan 28, 2013 | Computers & Internet

1 Answer

Led light not working display is dull


Maybe you have a power problem.
Do you have Power light and Charge light?
First of all try removing the battery and running from the ac adaptor, assuming your adaptor is OK.
Without knowing what has happened leading up to this fault, I am at a loss to suggest anything other than a possible Motherboard fault.
Hope that helps.

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1 Answer

Laptop does not work off mains and battery does not charge


Just check the power connection from the AC going to your laptop if the power adaptor of your laptop are working. Note; you only know that the power adaptor was working if the LED (Light Emiting Diode) was light because the power adaptor are have the LED to see it that they are working normally. If the power adaptor working normally their was a problem of the power supply inside your laptop and need to be repair by the electronic service center. But if the power adaptor are not working the problem are in the power adaptor. I recommend that you replace your power adaptor and bring it to the computer store to check its type and model it is because only same type or model of that power adaptor to be replace.

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1 Answer

Laptop doesn't turn on ...


remove ur battery change ur adapter
if not work there is short inside ur laptop
it is recomended to consult ur technician

Jan 27, 2010 | Acer Aspire 5610-4648 Notebook

2 Answers

My Laptop doesnt start at all . I dont know what


1. remove all ext peripherals
2. remove battery
3. check first the ac adapter if it has led on (make sure ac adapter is not connected to the laptop)
4. try any other wall socket check if ac adapter will led stay on
5. if ac adapter stayed on then connect to laptop (without the batter)
6. after connecting the ac adapter to laptop check if the ac adapter led turned off, if yes then check ac adapter laptop pin on the side if is loose or damage.
7. if ac adapter stayed on after connecting to laptop press now the power button on the laptop just once. check if the power led on laptop will turn on (check if power led stays on or it blinks amber)
8. if it blinks amber then remove all CRUs such as dvd drive, memory, hard drive and wireless cards. put them back one at a time. make sure you turn off laptop when putting removed hardware. this will check and isolate which causing the power led to blink.
9. if the power led stays on then turn it off again then wait a couple of seconds then press and hold on Fn key then press power button. wait for about 5 minutes while the power led is steady on, until you hear beeps once you hear beeps it means that LCD has problems. try then connecting laptop to an external monitor if it shows display there. press on Fn + F8 to toggle the display from LCD laptop to the ext monitor. if no display replace the motherboard. if it has display replace LCD.

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1 Answer

ACER ASPIRE LAPTOP 2920 NO DISPLAY


Ckeck if your adaptor has power on the connector to laptop.

Might be damaged power cord (to and from the adaptor) or broken adaptor.

While there was power in the battery, it was running, but not charging.
Now the battery is emty and can't be charged because of broken adaptor/cables.
If you find there is no power from the adaptor, bepair it or buy a new one.

Do not try to repair the adaptor by yourself if you are not a technician, it is DANGEROUS !
Either give it to a qualified servicer, or betteer, buy a new one.

Regards.

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2 Answers

No sound coming out


Step-by-step solutions:
1. check battery and make sure it's fully charged
2. check volume setting and make sure it is not set to "mute" mode
3. do a power-recycling: remove the battery and leave the gadget for a few minutes then put the battery in

Sep 11, 2007 | Besta CD-608 Dictionary

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