Question about Computers & Internet
Powering down immediately i power up any solutions ?
Computer does not boot up The problem maybe the RAM, it is faulty or just needs reseating to make proper electrical contact. Reseat the RAM and then boot up your laptop. If it still does not boot up then remove the RAM module/s and take them to your friendly computer repair shop and get them to test the RAM for you. Just like you sometimes need a mechanic to repair your car, sometimes you do need a technician to diagnose and identify the fault or faults on your computer. Not only does a good service technican have the experience to deal with this type of problem, they also have the equipment that allows them to look at things the average computer user can't see, and he has a collection of replacement parts that can be used to quickly test individual components on your computer.
Posted on Nov 30, 2012
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Posted on Jan 02, 2017
Your concern (auto shutting down) with Toshiba could be caused by excessive power drain by some of the attached devices such as the WiFi, LAN among others. On the other hand, it could also indicate that the battery is already weak and constantly requires charging and at times eats up most of the power from the adapter leaving nothing for the motherboard to use. In some repairs I have done, switching off / or removing entirely unneeded devices correct the problem. In some instances, auto shut down is caused by dirty/clogged airducts/heatsink of the processor, failing blower/fan and/or poor ventilation.
Of course, it could not be ruled out that internal problem with the power supply/regulator to have caused the shut down. Alternately, there are some viruses and malwares that could trigger shutdowns.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FixYa.
Posted on Jul 21, 2008
Suggest you take out the AC adapter (Charger), and remove the battery. Wait one minute, Replace the battery, plug the AC adapter back in. (AC adapter to surge protector, 'Natch)
See if it will turn on. Hold the Power On button down, until it does.
Should it not turn on, I suggest you have a problem with the DC Power Jack. This is the round opening in the laptop, where the AC adapter goes.
These little jack's undergo a lot of stress. The body of the jack, is just a tiny bit larger than the hole itself. The body is made of plastic. Let me show you an average example of a DC Power Jack,
That jack is about a fingernail width in length, 3/4th's of a fingernail in height, and half a fingernail wide. (I'm holding one in my hand now. I repair laptops)
The round hole has a metal sleeve, (Or a piece of flat metal at the end of the hole) The metal sleeve is the Negative connection.
There is a thick metal pin in the center. This pin is the Positive connection. Your laptop uses DC electricity.
(Your AC adapter converts AC electricity into DC electricity. A flashlight battery is an example of stored DC electricity. Laptop batteries are stored DC electricity)
Sometimes when an AC adapter is plugged in, the plug is bumped.
Sometimes this 'bump' can break the DC Power Jack. Break the middle pin loose, or the outer metal shell.
Also, if you look at the photo, you will see flat metal 'pins' sticking up. In relation to how this jack sits on the motherboard, it is upside down in the photo.
The 'pins' go down through the motherboard, and are soldered on the backside.
Sometimes the solder joints for these 'pins' can be broken. You either get an intermittent contact, or no contact at all.
Sometimes this isn't the case. Just due to normal plugging and unplugging of the AC adapter, can cause an issue.
This due to a bad design of the laptop motherboard.
The following is a crude illustration of that bad design.
Think of the laptop motherboard as being a 1 foot square. (It isn't)
Now along one edge, attach a 2 inch square. (It's actually all one piece though)
Now place the DC Power Jack on this 'Peninsula'.
The 'Peninsula' becomes cracked, right where it meets the main body of the motherboard. There are traces, (Think very flat thin copper wires), that become stretched and break.
This laptop motherboard design flaw is kept quiet. Laptop manufacturers have to replace the entire motherboard, when the laptop is under warranty, and has this issue. Also, replacing the motherboard just buys the laptop owner some time. The motherboard will break in this area again.
Could be all wrong about this. 'Google' your laptop name and model number and add -> Motherboard Issues <-, or add ->
DC Power Jack problems.
Posted on Apr 13, 2009
SOURCE: dropped lap top now wont boot up
press the fn key on laptop hold it down and then press the power key on the laptop. once u see any display on the screen you will get some tests running on the screen. The system will show you the error message which u need to note down. else you can do a Flea Power on your laptop. Remove the adapter and the battery and then press the power button and hold it down for 30 seconds then connect the battery and adapter back and try to turn on the laptop. See if the magic works for you
Posted on Jul 16, 2009
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