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What is wrong when AC Adapter is beeping continuously, and does not recharge laptop battery?

When start button pushed, keyboard lights up, then boot options appear with extreme low battery warning message on screen, but computer immediately shuts down. Red light appears on lid end cap. AC adapter beeps continuously when plugged into power source, even if unplugged from laptop. I have tried removing and reinstalling the battery pack in vain. Also, what are the options for immediately retrieving my essential data? Please help ASAP! Much thanks!

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  • Computers & ... Master
  • 74,383 Answers

The adapter's Syscon detects a short circuit. It might be within the adapter itself; or with your system. Contact the authorized service centre in this case. If you have an other adapter, load it with. By this way, you can get an idea about the faulty unit. Electro help

Posted on Nov 29, 2014

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Posted on Jan 02, 2017

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map9966
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SOURCE: Toshiba M115 S3094 Battery Probelm

Your battery not able to hold a charge is a bad battery.
Love your precise description & diagnoses. Wish others would describe their troubles as well as you!

Have a great day!

Posted on Mar 14, 2008

  • 2 Answers

SOURCE: Screen went black

Just a thought... There's a "Fn" Key located beside the Start key, when you press this "FN" key + F5, the screen goes black, and if you press again, the screen goes back to normal... Could this be the problem?

Posted on Jan 03, 2009

  • 30 Answers

SOURCE: My Vostro 1500 will not turn on anymore...help please!

Reset/replace the Ram/memory. Sometimes faulty and failing ram can keep a computer from booting up. If you have 2 sticks, take one out and then try to boot, then try with just the other stick. The flashing caps lock icon means a general failure, though it is most commonly associated with the motherboard.

Posted on Jun 25, 2009

heavymetal77
  • 721 Answers

SOURCE: Gateway laptop model W350i will not boot. When

It's a hardware failure like a cpu fan not working or faulty ram.Check the gateway site for an explanation of the lights. It's flashing a trouble code.

Posted on Jul 14, 2009

mrstan
  • 242 Answers

SOURCE: Dell Vostro 1000 shut down and won't turn back on

nope, it is your dc power regulator board. you will note this happens if the battery is in or out of the laptop. that is the key test. some regulators are on the main board and some are seperate for this reason. I think the vostro though is on the main board. A little board re-work will resolve this issue after replacing some components, but this is way beyond a home user's ability.. trust me on this. Sorry for the bad news. Thanks!

mrstan

Posted on Aug 29, 2009

Testimonial: "Thanks for your answer. I guess I will check what the repair costs may be, and if too much, just get a new machine."

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When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.

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I have a fujitsu e8410 which will not start up properly, when i push the start button it shows power but then the fan comes on and the cap num and shift lock leds flash and nothing else. can you help?


When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.

Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.

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Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.

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If a PC suddenly fails to boot properly, you should perform a hard reset as the first action. Performing the hard reset will correct many problems. If the computer still does not start properly, select your symptom from the list below to guide you to the recommended corrective actions.
  1. Disconnect all peripheral devices and remove all USB devices and SD media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
  3. Reconnect the AC power adapter (but do not insert the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a fan or other moving parts turning.
  4. If the computer does not start, the LED lights do not glow, and the display is black, you can perform one or more of the following actions to resolve the no power issue.
    • Verify the computer is receiving power from the AC adapter . Verify that the AC adapter is not damaged and is connected correctly to a working wall outlet plug. Verify AC power is connected to the system board by examining the AC adapter, wiring, and pin connection for damage. The keyboard LEDs will glow when AC power is connected to the system board. Damaged components, like the AC adapter or the pin in the power connector, may require an HP-certified repair.
    • Use a different AC power adapter . If you have access to a different AC adapter or power pack that is designed for the computer, connect it to the notebook and try to start the computer. If you own or have access to more than one notebook, verify that you are using the adapter which belongs to the notebook. CAUTION: Using a power adapter that does not meet the power requirements or has the wrong type of connector may damage the computer. On newer notebook models, connecting the wrong adapter to the notebook may cause the power LED lights to blink but not power the computer.
    • Remove the battery and boot on AC power only . A discharged or defective battery may prevent the AC adapter from supplying enough power to start the computer. To verify that power from the AC adapter is available for PC; remove the battery, connect AC power adapter, and press power button. If available, try using a different AC adapter, that is rated for the PC, and repeat this test.
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      • If tests of both the battery and the AC adapter fail, there may be a problem with system board requiring service by HP.
      • If LEDs glow and PC boots, the AC adapter may need to be replaced.
      • If LEDs glow, but PC does not boot go to LEDs glow, fan is heard, but display is black or blank section.

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I don’t know how comfortable you are with taking apart laptops but I think that this information could be useful for you.
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