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When connected to AC power, a slight jolt of the power connector causes the PC to reboot. Any ideas?

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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.



Aug 10, 2014 | Acer Aspire One PC Notebook

Tip

Troubleshooting Laptop Power Failures - The AC Adapter


Symptom:

Wiggling the AC adapter cord causes the power status LED on the laptop to blink.


Diagnosis & Solution:

The problem could be that the copper wires inside the AC adapter cord became frayed or broken right where they enter the connector on the end of the AC adapter cord. The wires (a number of very thin conductors twisted into a heavier cable) are sized for the amount of power the laptop requires. As thin wires break and lose contact, all of the power must flow through the remaining conductors, leading to overheating, which can cause damage or be a safety hazard.

To make sure that this is the case, first test the output voltage from the connector on the end of the AC adapter cord using a digital multimeter set to measure DC voltage. While measuring, bend the AC adapter cord in various directions. If this causes the reading to jump betwwen zero & the nominal output voltage (written on the label on the AC adapter), then you know that you will need to replace the connector.

In order to get this fixed, you will need a new connector and basic soldering skills, or you can take it to an electronics shop for a cheap repair but get the price before agreeing. If you decide to repair it yourself, then you will have to find a replacement connector. Most of these connectors are easy to find and your local Radio Shack often has them in stock. Just bring your laptop along to make sure you get the right size. However, some laptops use a highly proprietary connector for which you can't easily find a replacement, in which case your best option is to find a failed AC adapter for your laptop model, cut the end off (with plenty of slack) and splice it onto your AC adapter's cable.

If you work on irregular surfaces (like a lap) and allow the cord to dangle, the wires may break just inside the connector due to pulling, despite the fact that the factory connector is encapsulated in molded plastic. You can carefully take apart the molded plastic with a razor knife to temporarily fix a connection, but it's smarter to replace the connector end as soon as you determine it is causing intermittent power failures.

Another possibility might be that the power receptacle in the laptop (where you plug the AC adapter cord) has failed. Sometimes the center pin of the connector breaks off, sometimes the solder joints on the main board fail, sometimes there's a break between the connector contacts and the motherboard contacts. In all these instances, you or the technician has to gain clear access to the laptop's motherboard to make the repair. In order to get this done, you might need clear disassembly instructions, as well as decent soldering skills. You could get a replacement connector usually for less than $10, but the repair charge can be several hundred dollars for some models if you take it to a local shop.

Please Vote for this Tip if you found it helpful.
M. Omran

on Oct 13, 2010 | Computers & Internet

1 Answer

My mobility scooter said batteries ok not charged for a while went for about a minute then stopped suddenly going over entrance to supermarket just completely shut Down thought batteries were gone but they...


Since this is a scooter you take apart you probably had an intermittent connection at the place where the 2 sections join. A few scenarios. 1. You may not have latched the 2 sections and they momentarily separated causing a disconnect resulting in a power failure. 2. The connectors are fitting loosely and the jolt caused a momentary disconnect resulting in the power failure. 3. You may have a connector in the circuit that has come loose and from the jolt you had a momentary disconnect. You need to make sure all connectors are securely clasped. 4. Check your battery terminal connections, sometimes they become loose and a jolt will do the same thing. If you find that the connector at the place where the two sections come together, you will have to replace the needed wiring harnesses to correct this problem.. A local service tech should be able to quickly find the problem.

Mar 10, 2014 | Health & Beauty

1 Answer

3 beep sound


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.
    • Remove the AC adapter and boot on battery power only . A defective AC adapter may not charge the battery and prevent the computer from booting on battery power only. To verify battery power available for the PC; connect AC power adapter, allow battery to charge for 30 minutes or more, disconnect the power adapter and press power button. If available, try using a fully charged battery, of the same type, from another computer and repeat this test.
      • If LEDS do not glow and the fan or hard drive do not spin, battery may need to be replaced.
      • 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.

Nov 21, 2010 | HP Compaq d530c PC Desktop

1 Answer

Air conditioning not working on dodge intrepid. added freon. still blowing out HOT AIR. what do i do now?


I have 2 ideas.

Idea 1: The clutch in your ac compressor could be out.

Idea 2: The ac compressor isn't getting any power. Use test lights on the connectors to the ac compressor to make sure it is getting power. (Test this before trying to change the ac compressor. It is way cheaper to fix a connection than to change the compressor.)

NOTE: ac compressor clutch is not available seperately for this car at discount auto parts stores.

Aug 24, 2010 | 2003 Dodge Intrepid

1 Answer

My Pride Celebrity 3 wheel scooter, keeps suddenly jolts to a stop for no reason when I am going along, and will then go forwards again. Any Ideas please


Hi. Sounds like a loose connection, either on the battery terminals, or on the battery lead connectors.
When your machine suddenly stops, does the battery gauge also turn off?
Can also be caused by a worn or stuck motor brush.
If none of these ideas help, can you give us a better description of what goes wrong?
Good luck. Neil.

Jun 26, 2010 | Pride Mobility Products Celebrity X...

1 Answer

X-Box 360 won't turn on


have to change the AC adapter and check your AMPERAGE that is also a problem with what doctors are very spoiled

Aug 22, 2009 | Microsoft Xbox 360 Console

1 Answer

Battery will not charge. AC power LED does not come on when AC power adapter connected.


You may have a faulty adapter. Check the connector with a multi-meter, the voltage reading should be slightly higher than the voltage that is printed on the label on the back og the power adapter.
If the light on the power adapter does not light up when you plug it into the mains, then it is definitely faulty and you need a new one.

May 20, 2009 | Toshiba Satellite P100 Notebook

1 Answer

New LCD Screen not working


The cable that connects the panel to the conputer is not in the connector correctly. It is probably skewed slightly rather than ebing straight into the connector. Since the individual connections are very close to each other, there are a few that are shorted or not connected at all.

Reseat the cables at both ends.

Dan

Jan 07, 2009 | Acer Aspire 9300 Notebook

1 Answer

Display problem


Wiggle the power wire slightly. Sometimes if the connection is loose it may cause the computer to go from battery power to ac power.

If that doesn't work, could be a loose connection in screen or a part is failing. Would take to a local repair center to check out.

Mar 23, 2008 | Toshiba Satellite P30 P35 Series Notebook

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