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Laptop is plugged into an outlet but the power keeps cutting off

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There is the possiblity that your laptop is suffering from overheating. Just to make sure power down, and with a few cans of compressed air blow out the heatsink vents and grills.

Now, there is a chance that you have malware or a virus. If this is the case, that would account for the erratic shut downs. First lets go get MalwareBytes Anti-Malware tool:

http://www.filehippo.com/download_malwarebytes_anti_malware/

Then get Avast Anti-Virus 4.8, this is a free download and only needs to be registered once a year. This program updates itself up to 3-4 times a day to keep up with new viruses and spyware. It will also perform a pre-boot scan of your hard drive before windows loads, that way all files are scanned.

http://www.filehippo.com/download_avast_antivirus/

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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I was cutting a plywood and pulled the saw back through the cut, before the blade came to a complete stop. Now it will not turn on. Is there a reset switch or a failsafe that tripped when I did that?


Good afternoon Rebecca.

Some of the answer will depend on your make/model. Saws will generally have some failsafes inside to keep them from getting damaged, but lets start with what you have. You say you pulled the blade back through the cut before the blade came to a stop. That was probably OK - you generally don't want to stop the saw in the middle of material since it might pinch or jam against incoming wood.

If there is not motion, the foremost question is whether it's a saw problem or a power problem. To that end (please be careful here - unexpected saw starts can hurt you very badly)
  1. With the saw unplugged, can you move the blade at all? There may be a fair amount of resistance through the worm gear to the motor, but it should move. If it's totally jammed, you may want to try removing the blade and checking for debris jammed in the saw
  2. If the saw is plugged into another outlet that you know has power, will it turn on? If not, focus on the saw, if it works, focus first on the outlet.
  3. Is there power to the outlet? Plug something else that you know works into the outlet and see if it will turn on. If not... check if it's a GFI outlet and try resetting the breaker buton in the middle of the outlet. Then check the breaker panel that serves that plug and see if a breaker tripped. this could be particularly possible if it's a 15 amp circuit and you were, say, cutting a heavy thickness of plywood. Try re-setting the breaker then and see if the outlet turns back to life.
Some saws may have an overheat breaker, which will require you to just let the saw cool for a while. others may have a fuse, but the location will depend on the particulars of the model.

Hoping this helps.
Good Luck!
D

Nov 23, 2015 | Saws

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Should I Remove the Laptop Battery?


Question: Should I Remove the Laptop Battery?

I have a dell latitude d820 laptop at home which I use as a desktop replacement. As such, 99% of the time the laptop is being used it is plugged in. I wonder if I should remove the dell latitude d820 battery so that it is not permanently being charged, or does the laptop cut off the current to the battery once it is fully charged? I do unplug the laptop when I turn it off.

Answer: When using a laptop as a desktop replacement the battery should not be left in for long periods of time. The laptop will over time discharge the battery. Remove the battery – making sure that it is charged to 40% and store it in a dry, warm place. Ensure that it is wrapped protectively and nothing will be dropped on it.

The battery should be re-installed every 3-4 weeks and allowed to fully discharge. Leaving a battery in storage for longer than this without using could cause the battery to fully discharge as the circuitry of the battery itself consumes power.

Leaving a battery in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.

Remember that when you have removed the dell vostro 1500 battery from a laptop while using with an electrical outlet – the automatic battery backup is no longer functional. Make sure to plug your laptop into an uninterrupted power source (UPS) not directly into an outlet or surge protector.

on Apr 20, 2010 | Computers & Internet

1 Answer

Loose power connection on motherboard of Satellite L640D-ST2N01


Toshiba Satellite laptops often have problems with their power connections becoming loose and losing contact between the positive pin on the DC power jack and the motherboard. Laptops are not designed to operate on the battery when the AC adapter is plugged into a viable power outlet. You will have to disassemble your Toshiba Satellite laptop to repair this problem. This task requires a thorough knowledge of laptop repair and safe soldering practices.

1. Disassemble your laptop according to the instructions for your specific Toshiba Satellite laptop model. Cut the plastic supports off the base assembly with a knife.

2. Cut off the plastic wall that encircles the mount opening with the knife. Extend the circumference of the hole by carving it open with the knife to make it wide enough for the new jack.

3. Bring the ends on the negative lead for the jack together and cover the ends with solder.

4. Remove the original DC power jack and trim the wires from the jack box with the knife, until they sit close to the edge of the jack box. Use the knife to strip the wires. Use your fingers to twist the wires together, and then coat the point where they meet with fresh solder. Locate the positive wire -- it is either red or green. Plug this wire into the positive lead on the new jack, and then find the negative black wire and attach it to the negative lead on the new jack.

5. Place the new power jack in the base, keeping enough extra space available for the plastic laptop cover and right speaker to fit back in later. Cover the negative and positive leads with the electrical tape, and then manually rotate the nut on the power jack clockwise until it will go no further.

6. Figure out which walls will stand in the way of the power jack after you secure the plastic laptop cover. Cut these walls out with the knife. Reverse the disassembling instructions you followed previously to put your laptop back together.

Dec 01, 2013 | Lifetime Toshiba Satellite L640DST2N01...

1 Answer

Hotpoint rvm1625sj01 no power


Hello

Plug the microwave into the outlet if the microwave won't power up. Make sure the plugs on the microwave match the type of outlet. A four-pronged outlet can only be used with a four-pronged plug. Same with three-pronged outlets---they only work with three-pronged plugs.


Inspect the plug. Make sure it hasn't been cut or tampered with. Four-pronged plugs can't be cut down to fit a three-pronged outlet. Three-pronged plugs mustn't be forced into four-pronged outlets. A three-pronged plug mustn't be used in a two-pronged outlet, either.


Replace blown fuses, or if there's a circuit breaker, check it for tripped breakers. Sometimes the trip won't be obvious, so cycle the circuit breakers. Turn them all the way off and then back on again.


Plug another appliance in the outlet. You will find this easier with three-pronged appliances. Simply plug a toaster, or other appliance into the microwave's outlet, and see if it works. If it works, you know the problem is with the microwave, not the power circuit. Have the microwave serviced or replace it. If the toaster or other appliance doesn't turn on, you know the problem is with the circuit.

Oct 04, 2011 | Hotpoint RVM1625 Microwave Oven

1 Answer

Power does not on my laptop


This could be one of several reasons. The most common reasons that a laptop won't power up are a dead battery, or a non-functioning charging chord. My first step would be to plug the laptop into an outlet in the wall that I know for a fact works. If I am unfamiliar with that specific plug, I will plug something into that outlet that makes noise or light. Such as a lamp, stereo, or phone charger. After you have verified that the wall is giving electricity to the charging chord, the next step is to check the next step in the power chain. That would be where the chord from the wall plugs into the transformer box, that plugs into the laptop itself. So the first step is to check that the outlet that charges the laptop is receiving power. As a side not just because a top plug is getting power does not mean that a bottom plug is as well in my experience. After power received, next check connections. Those connections will include the transformer connection, and the laptop connection. Also you may wish to check for cut, loose, frayed, taped, kinked, or otherwise dangerous looking chords. I also do not recommend using third party Universal laptop chargers bought from the store. I only would use one of these in an emergency situation. I don't trust the power regulation. And on top of that a laptop charger chord is so much cheaper on-line if you buy from somewhere like e-bay. That charger will be laptop model specific. Generally a new charger is about $15-35 on e-bay, and a new battery could be as cheap as $50. Although I would also recommend finding out if your laptop is under warranty. If it is within a year old this is a good possibility. That route takes a lot of patience, but it is usually free.

Aug 31, 2011 | Computers & Internet

1 Answer

Microwave has no power when plunged in


1) Plug the microwave into the outlet if the microwave won't power up. Make sure the plugs on the microwave match the type of outlet. A four-pronged outlet can only be used with a four-pronged plug. Same with three-pronged outlets---they only work with three-pronged plugs.
2) Inspect the plug. Make sure it hasn't been cut or tampered with. Four-pronged plugs can't be cut down to fit a three-pronged outlet. Three-pronged plugs mustn't be forced into four-pronged outlets. A three-pronged plug mustn't be used in a two-pronged outlet, either.
3) Replace blown fuses, or if there's a circuit breaker, check it for tripped breakers. Sometimes the trip won't be obvious, so cycle the circuit breakers. Turn them all the way off and then back on again.
4) Plug another appliance in the outlet. You will find this easier with three-pronged appliances. Simply plug a toaster, or other appliance into the microwave's outlet, and see if it works. If it works, you know the problem is with the microwave, not the power circuit. Have the microwave serviced or replace it. If the toaster or other appliance doesn't turn on, you know the problem is with the circuit.

Apr 04, 2011 | Maytag Microwave Ovens

1 Answer

No power. Will not turn on


Not intended to offend;
1. If using A/C (house electrical power), please check if electrical wall outlet is active. Attempt to plug-in another electrical device such as a lamp, clock, radio, etc.. If the electrical wall outlet has top and bottom plugs, try the top and then the bottom plug to see which one works. Sometimes, the top outlet will not work, yet the bottom outlet does work. The wall outlet should be replaced by qualified technician.
2. If both outlets do NOT work, and the outlet is GFCI breaker protected, maybe pressing the RESET switch on the outlet will power-up the outlet.
3. If the outlet is NOT GFCI breaker protected, check your electrical fuse box for a tripped fuse. Sometimes, a tripped fuse is NOT visible. May have to trip the specific fuse or all fuses to off, then back on. Recheck the wall outlet.
4. Once your know the outlet is live, check the power cord (a/c adapter for laptops) to make sure they are securely plugged-in to both the wall outlet AND the PC or Laptop.

Will need more information once the above steps are taken:

Is it a Desktop or Laptop?
Make and Model (if known)?
Any lights (glowing) on the desktop or laptop?
Any lights on the A/C adapter if its a laptop?

Mar 30, 2011 | Computers & Internet

1 Answer

Power supply and battery is good, when plugging in the power supply to the outlet the blue light comes on, then when plugging the power supply into the laptop the blue light goes out and the laptop has no...


Sounds like there is a short on the motherboard that is keeping it from starting or even accepting external power.
My suggestion: a new motherboard is probably in order.

Feb 01, 2010 | Dell Computers & Internet

1 Answer

Was using the laptop (dv6426us) and it just cut off. Was plugged into outlet with power supply, no warning messages prior to that. Now it will not power on at all, no lights, no beeps, nothing. If I unplug...


First, measure the voltage coming out of the power supply. If it is good (specs will be on the power brick itself.) then this sounds like a short on the motherboard. To eliminate all else, remove anything that is removable (hard drive, CD/DVD and RAM). Leave the battery out also. Plug in the power supply and see if it beeps. If not, you have a bad motherboard. If it does beep, replace the ram. At that point, you should be able to see POST. If you get nothing, it is the ram. Keep adding until the problem resurfaces. The last item added is the culprit.
Good luck.

Aug 12, 2009 | HP Pavilion dv6000 dv6100 dv6200 dv6300...

1 Answer

Start - up not possible


I had called HP/Compaq about an issue with my laptop and was told that some models have been recalled so I'd suggest calling them about this problem to see if your particular model was one of those involved in the recall. Another solution that I have would be to try and plug it into another outlet. If that fixes it then there's something about the original outlet that needs to be fixed. If not, then try buying a new battery and/or adapter (charger). Hope I helped!

Dec 10, 2008 | HP Compaq Presario V6000T Notebook

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