Question about Fujitsu LIFEBOOK B2562 PC Notebook

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Doesn't power on

The laptop, when plugged in to a known good power source flashes the adapter indicator on the status monitor panel for 2 seconds. It gives no sounds and no response when the power button is pushed. Any ideas? I'm going to re-seat the memory, but there are also 2 CMOS batteries in this computer and I am wondering if these are required for startup as both are well below the required voltage.

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  • Daniel Herd
    Daniel Herd Feb 16, 2008

    I have good voltage at the motherboard (meaning adapter, jack, power leads are fine) Some laptops don't boot without a CMOS battery. Replacement adapters are about $20. Thanks for the help though.

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The cmos batteries will not affect the booting up of hte laptop. it keeps track of your time. you may have a problem with the adapter. did you have any resent power serges? Replacement of the adaptor could cost up to 100$ the plug in back might becoming lose fromt he board. it cost about 50 bucks to get that reconnected. at a electronics repair shop

Posted on Feb 16, 2008

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OW TO GET MY ACET ASPRE ONE IT STOP BLACK SCHREEN NO POWER


Step by step troubleshooting.
Verify power outlet is good
Verify power adapter is good
verify connection to computer is good
fully charge battery
test
=======do this
Check power source, plug known good light into AC receptical.
If AC cord has connector to power block verify it is properly seated.
plug adapter into AC outlet
Verify Power is present at power connector with another similar computer or voltmeter. (12V to 20V)
When plugged into computer, charge (not power) indicator MUST light either red, amber, or green. If not, connector on computer may be broken.
leave overnight or until charge light is green
turn on normally.

most likely causes:
- loose connector
- broken wire from power adapter
- broken power plug on computer.
- anything else is probably beyond ur capabilities to fix.



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Toshiba Satellite m305-s4910


remove the battery pack and power source. make sure nothing is plugged into the laptop. hold down on the power button for 30 seconds. then reinstall battery, plug the the adapter into a known live power source (the real reason for your problem) and power it up!

Jan 16, 2012 | Toshiba Satellite M305-S4826 Laptop

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My laptops shut down when i put the adapter and doesn't get start up , but it's work normally with betray


Problem description:The laptop shuts off when AC power adapter is plugged in. The laptop works fine on battery power but as soon as you connect it to AC adapter, the laptop turns off.
Possible cause:1. Power adapter failure.
2. Motherboard failure.
Possible troubleshooting steps and repair solution:First of all, test the power adapter. Make sure the adapter outputs correct voltage. It's possible that the output voltage is not correct and the laptop shuts down to prevent the damage. Test your laptop with another known good power adapter.
If the problem still exists, even after replacing the adapter, most likely it's the motherboard failure. Replace the motherboard.

Reference: http://www.chargerbuy.com/blog/laptop-shuts-off-when-ac-adapter-plugged-in/

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1 Answer

Boots up but black screen


If your laptop screen is not working and is blank, you are out of luck as far as working on your computer. However, while there may be a major problem you need to troubleshoot, there are some easy solutions to keep in mind as well, such as brightness settings and your power source.
1.Check the power source. While you have presumably already attempted to turn your laptop on and off, the problem may lie with your AC power adapter. Is the power-indicator light on the adapter on? If not, your problem may lie here. However, whether or not you have a power indicator light on your adapter, consider unplugging it and plugging it into another outlet. This may turn on your laptop and take care of your blank-screen problem.
2.Check your brightness settings. While it seems like a simple oversight, the brightness on your laptop may sometimes be turned all the way down. Thus, the screen appears to be black, off or defective, when the problem is simply that the brightness is on its lowest setting. To fix the brightness, check your laptop keyboard. Most laptops have the brightness settings mapped to two keys at the top left of the keyboard, accompanied by a symbol (often a sun). Use these keys to fix your brightness, but keep in mind that some laptops require that you press the Function key at the same time as the Brightness key.
3.Check the status of your laptop battery itself. There should be a battery indicator on the laptop that is connected to the battery. This indicator is either on the bottom of the laptop or (likely) on the side. If there is no indicator, your battery itself may be the problem, and may require replacing. Keep in mind that older batteries of the nickel-cadmium variety are more likely to decharge over time and forget their initial maximum charge level; this may be a particular issue to users of older laptops.
4.Find a VGA connector and hook up your laptop to an external monitor if the above steps have not alleviated the blank-screen problem. Turn on the computer and the external monitor. Does the external monitor light up? If so, the blank screen is likely due to a video subset problem/LCD problem in your laptop.
5.Consider that a deeper problem may exist if the external monitor did not light up This problem may lie in the motherboard. In this case, taking the laptop to a professional repairman or sending it off to the manufacturer is recommended.

Sep 05, 2011 | Sony VAIO VGN-TXN15P/B Notebook

1 Answer

My acer aspire laptop has crashed---the power light is still on but the screen is black and it doesn't respond to anything I do! I can't even turn it off properly---is there a reset button or...


If your laptop screen is not working and is blank, you are out of luck as far as working on your computer. However, while there may be a major problem you need to troubleshoot, there are some easy solutions to keep in mind as well, such as brightness settings and your power source.

1. Check the power source. While you have presumably already attempted to turn your laptop on and off, the problem may lie with your AC power adapter. Is the power-indicator light on the adapter on? If not, your problem may lie here. However, whether or not you have a power indicator light on your adapter, consider unplugging it and plugging it into another outlet. This may turn on your laptop and take care of your blank-screen problem.

2. Check your brightness settings. While it seems like a simple oversight, the brightness on your laptop may sometimes be turned all the way down. Thus, the screen appears to be black, off or defective, when the problem is simply that the brightness is on its lowest setting. To fix the brightness, check your laptop keyboard. Most laptops have the brightness settings mapped to two keys at the top left of the keyboard, accompanied by a symbol (often a sun). Use these keys to fix your brightness, but keep in mind that some laptops require that you press the Function key at the same time as the Brightness key.

3. Check the status of your laptop battery itself. There should be a battery indicator on the laptop that is connected to the battery. This indicator is either on the bottom of the laptop or (likely) on the side. If there is no indicator, your battery itself may be the problem, and may require replacing. Keep in mind that older batteries of the nickel-cadmium variety are more likely to decharge over time and forget their initial maximum charge level; this may be a particular issue to users of older laptops.

4. Find a VGA connector and hook up your laptop to an external monitor if the above steps have not alleviated the blank-screen problem. Turn on the computer and the external monitor. Does the external monitor light up? If so, the blank screen is likely due to a video subset problem/LCD problem in your laptop.

5. Consider that a deeper problem may exist if the external monitor did not light up This problem may lie in the motherboard. In this case, taking the laptop to a professional repairman or sending it off to the manufacturer is recommended.

I hope you find it very helpful. Best regards from fixya

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2 Answers

Dell inspiron 1501 won't boot but caps lock flashes continuosly. when i remove memory it doesn't beep


Caps lock flashing indicates faulty memory - it's a POST (Power On Self Test) before BIOS executes. When memory is removed it should indicate "no memory". Carefully re-insert the RAM memory module, check the tiny contacts inside the connector on dust. Then try again.

If there are 2 memory banks (1 one the back, the other under keyboard) remove one RAM memory module.

If capslock keeps on flashing test it with another RAM module.

Jun 30, 2011 | Dell Inspiron 1501 Notebook

1 Answer

My IBM ThinkPad has shut down and won't turn back on. What can I do to get it to start-up.


Hi,

I suggest try to isolate the problem first what could be the cause, If its software or hardware. I suggest try doing these steps and see if it works.

NO POWER

1. Verify the status indicator.
The power status indicator anespera.gif is illuminated whenever the computer is on.

2.Check all power connections.

3. Inspect the AC Adapter
See if there are physical damage, and ensure the power cable is firmly attached to the power brick and the system.

4. Remove the machine from any docking station or port replicator.

5. Remove all devices and then test for system power with minimal devices attached.

You might need these things; Philips Screw Driver, Tweezer and any Flat Bladed tool.


5.1. Disconnect the AC adapter.

5.2. Remove the battery pack.

5.3. Remove any externally or internally installed options and other devices.

5.3a. Remove the memory module (DIMM).

5.3b. Remove the Mini PCI and Communications Daughter Cards if applicable.

5.3c. Remove the Ultrabay devices, usually CD-ROM, CD-RW, or DVD drives, that are customer replaceable.

5.3d. Remove the hard drive.

4. Wait for 30 seconds before reconnecting the devices and power sources.

5. Reinstall only the memory DIMM and the known good battery pack or AC adapter to test the system with minimal devices attached first.

6. Reinstall each device one at a time that was removed in the steps above.

NOTE:

If happens you're not comfortable doing those steps I suggest try to get help from someone who's capable doing those steps or go to any local computer center.

Hope it helps.

AnEspera

May 08, 2011 | IBM PC Laptops

1 Answer

The AC indicator light stays on for one second after plugging in the ac adapter. The laptop indicates that the improper adapter is being used. i have used the correct battery adapter and tried two known...


try unplug the battery and direct plug the AC power adapter, see what happen..........

and everything ok, that means your battery has problem.

if the laptop don't even turn on, that means the connector of your laptop (the power connect may have problem, THE IS THE WROSE CASE, YOU NEEED TO REPAIR YOUR LAPTOP)

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1 Answer

My dell d600 wont come on even when i put the charger on


If the system shows no power indication when trying to power on or if you get only a momentary flash of the Power LED, then it goes off, the first point to check is the AC Adapter. If possible, try a known good adapter from another D-Series Dell. Check the LED on the AC adapter to see if it is ON before connecting it to the system. If it is and it goes out when you plug it to the system.

If the LED goes out and no other adapter is available, then I'd start with a new AC Adapter. (If you have no known good adapter available, you might try taking it to best buy and see if they can connect the system to a known good there to see if it powers on).

If replacing the AC Adapter does not resolve your issue, the motherboard is the next component to replace.

Feb 20, 2009 | Dell Latitude D600 Notebook

1 Answer

My screen doesnt work.


I suggest you to perform these steps.
Test the AC adapter Follow the steps below to determine whether the problem is related to the AC adapter or your notebook system board.
  1. Remove the battery and disconnect all external devices from the computer.
  2. Hold the Power button for several seconds, with all power sources removed. This drains residual power from the system, and may correct many problems.
  3. Connect the AC adapter to a wall outlet and plug the other end into the computer.
  4. Press the Power button to start the notebook PC.
If the notebook does not start or the display is blank then check the power indicator light or power socket LED. I suggest you to connect the notebook to external monitor and check whether its working or not. Then please perform the harddrive self test also.

Jan 09, 2009 | Dell Inspiron 1521 Notebook

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