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Power breakdown my laptop keeps going off as if their is a break in power supply

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Is there a power input fuse on a Toshiba Satellite C655D?

no, there is no internal fuse, unfortunately- because this sounds like a dead motherboard. the aftermarket power supply could have been over-volting, or delivering unsteady power- burning the motherboard.

OR the old power supply shorted, and blew the motherboard's power circuitry, and you were just running off battery power when you first got the replacement.

please keep in mind that, at times, the physical power input jack on laptops can also break, or come loose from the motherboard.

Dec 29, 2014 | Toshiba Satellite Computers & Internet


How to keep your Laptop battery healthy and last long

Always remember to unplug the power main supply to the laptop when your laptop battery is full (100%) use unless your laptop say LOW battery only then power up the main supply in this way you can extend your laptops battery life.

Do not keep your laptop connected to main supply and work for longer time.

on Jul 16, 2011 | Computers & Internet

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Asus k52f keeps shutting down randomly

I have seen the odd case where the power supply cannot keep up with the demands when the laptop is running causing it to shut down, but first! remove the main battery to see if that helps, no change! I recommend replacing the power supply adapter in hopes it will correct the problem. Go to Type make and model of laptop, refine search to power supply and go through the list of prices.

Jul 20, 2012 | ASUS K52F-BBR9 Notebook

2 Answers

Hp pavillion dv4 charging indicator is blinking even if charger is plugged in. and when turned on, suddenly shut downs just a few seconds from turning it on. any solutions to this problem? i'm really...

From the Why your HP Pavilion dv4 Battery light flashing?this migth fix your HP battery Pavilion dv4 problem;
  • Go to your power settings by right clicking on the desktop and select Properties> click the Screen Saver tab> click Power.
  • Under Power schemes select select all of the choices to never.
  • Plug the power supply into the laptop and wait till it reaches 100% and stop charging..
  • Disconnect the power supply and let the laptop discharge completly untill it heibernates.
  • Reconect the power supply and let the laptop charge complely again, then go back into the HP dv4 Battery power settings and resume the previous settings.

...but in your case - that sounds to me like the battery is defective...

Jun 13, 2011 | Computers & Internet

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I have experienced this problem with several HP laptops. Invariably the solution has been replacing the power supply. It seems the HP power supplies go bad but don't quite die resulting in them still delivering power, just not quite enough.

Jan 25, 2011 | Computers & Internet

1 Answer

Please describe my hp dv9000 notebook laptop shutdown by itself and keep repeating again again in every 5 sec

If you're lucky, it can only be a software problem. Try to break the cycle by pressing F8 right after the HP logo. This should start your laptop in Safe Mode with Networking. Then, you'll need to see what's causing the problem. If you installed a new program or update just before this repeated shutdowns started, then you'll need to uninstall this program, or revert to the previous state of your computer using the Restore option (In Control panel-System). While you're in safe mode follow these great instructions for setting up PC security and check your system for viruses and malware. Sometimes they may cause unpredictable problems and random shutdowns could be one of them.
If you're not so lucky, you may be facing a power adapter failure, or a motherboard failure.
To test the power supply, run the laptop on battery only and see if it boots up OK. If the laptop's OK on battery alone then you'll need a new power supply. Go for a new one, specifically made for your laptop model, substitutes may not be within the accepted tolerance and you may end up having two useless adapters. Play it safe, get a matching/original brick.
If the laptop keeps restarting with or without the power supply, and you can't even get it to go into Safe Mode you may be looking at a motherboard problem. The most common power-related failure of the motherboard is the Maxim 1987 power regulator failure (learn how to repair this) . Another option would be a FSB chip failure which is also relatively easy to repair. Lastly, it could be a graphic chip failure, which can be repaired the same way as the FSB chip.
For a more precise diagnosis provide some more details of the messages you see on the screen, how far it gets to load Windows (if at all), can you see any LED blinks, sounds you hear etc. The more descriptive and detailed you are, the easier it is to get to an accurate diagnosis.

If this post was helpful and informative please vote for it with a Thumb Up. Thank you.

Jan 23, 2011 | Computers & Internet

1 Answer

Last week, I spilled the coffee. I get zero power after a week of drying out. I've used the power supply, and the battery, and no power at all. I have read that cleaning the motherboard may help, but I...

If you aren't knowledgeable in disassembling a laptop, then I would encourage you to take it or send it to a computer shop. I usually charge $110 - $130 to do this type of repair\servicing. I've had lots of customers who've done the same thing you did, and then try to take apart their laptop to clean\repair it. They almost always end up breaking something; which ends up costing them more for me to buy the part, fix it, and re-assemble the entire thing. If you decide to do this on your own, then be sure that you have something that you can keep all of the little screws in and have them labeled so that you know where they go when you put the computer back together. More than likely your laptop is going to need an new motherboard put in it. You can expect that to run you at least $250. -madhatter639

Aug 22, 2010 | MSI A6200038US Notebook

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I have replaced the mobo in my dv6000 and still have the same issue. power sometimes comes on for a second or two. Power supply is generic but output is pretty close to spec...within .25 vdc. Should I...

It is highly unlikely that the it is your mobo since you saw the same problem. I would try to find another power supply before doing anything about the processor. Some times DC power supplies are defective either because can't handle the load(amperage pulls it down) or there is a breakdown where it lets through some of the AC component. You would need a oscilloscope to see the AC component. Just try to swap it out with another that has the same specs.
If it still gives you problems, the only thing left is the processor.

Dec 25, 2009 | HP Computers & Internet

1 Answer

My r3000 has a tempermental power supply. it

whatabout the lead that plugs into the laptop ? does the plug in the laptop move easily, with the lead in, Sounds like the actual plug in the laptop is breaking away, the solder around the connector. Sadly to fix that you will have to get it repaired for about £50 to £70, maybe more ?? please make sure the lead from power supply is not loose or a bad fitting.

Jun 14, 2009 | Compaq Presario R3000 Notebook

1 Answer

I am having dificultys getting my emachines m5310 laptop apart

Haven;t found a manual for you, but this link should give you a good start towards where you're going.

Hope this helps and have a super day!

Jan 03, 2009 | Computers & Internet

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