Remove from AC power. Turn off computer and remove battery. Wait 1-2 minutes then hold down the Power button for 2 minutes. Replace battery and AC cord and turn on. This should dispel any static charge that may have built up and caused this problem. Hop this helps
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Re: laptop won't start.
Those are items I would have done myself to test it. It sounds like some item is bad on MOBO (motherboard) it will have to be replaced in any case. I would order a new battery and a replacement MOBO for that unit. If your under a warranty Toshiba would have you send back the laptop to them so they can repair it. Or have local authorized service center send a tech with replacement parts to fix it onsite.
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Step 1: Take the battery out, plug in the charger and see if the laptop works. If it works, the battery may be the problem. Check the AC Adapter Check to make sure the adapter is plugged securely into the wall outlet, connected firmly to the adapter box and to the back of your laptop. Most AC adapters have a little light in them on that rectangular box in the middle of the cord that lights up when it's getting electricity. If that light isn't on, try a different outlet. Check your fuse or circuit breaker box and plug a different device into that outlet to make sure there is power to it. If it still does not light up, your adapter could need replacing. Also check the adapter box for signs of warmth, as it will generate heat when it's plugged in. No heat means no power.
Remove the Battery Sometimes it's as simple as a seated battery. Remove the battery entirely and clean out any dust, lint or hair that may be clogging the connectors and preventing a proper connection. Reseat the battery securely and make sure the little locking pins that hold your battery in place are securely fastened and there is no movement. Unplug your laptop while it is running. If it still works, the battery has been charging. If it shuts off, or doesn't hold a charge very long, you have a bad battery. Unplug your laptop while it is off, then try to turn it on. If the battery is bad, your laptop probably won't turn on at all. Turn off your laptop's screen-saver when testing its battery. The screen-saver will conserve the battery and not give a clear time frame for how long your battery can really last. Click the battery icon on your laptop when it is unplugged. It can tell you how much battery life you have available. This icon is usually located in the bottom right corner of your screen and will provide the percentage of battery power you have left. Keep track of the time it takes to go from 100% charged to 1% charged. If this takes less than an hour, your battery is probably beginning to fail. You can also try this every week or two to see if your battery holds a charge for shorter periods. Factor in the amount of time you have used your laptop. Most laptop batteries last 2 to 3 years or about 500 charges. Wait a few days before determining whether a new laptop battery is faulty. New batteries sometimes take a few charges to build up to their maximum run time.
Make sure your laptop battery has a charge. Plug it into the wall outlet for 30+ minutes and then try powering it on. When you plug it into a power source, usually the laptop will have a light indicating that it is charging. Look for a light. If the light does not light up, try a different wall outlet. <br />If it still does not charge, you may have a bad power cord, a bad laptop battery, the wall outlet may be bad or the laptop itself is damaged and will need to be serviced by a technician or replaced.<br /><br />Through the process of elimination you can narrow down possible causes.<br />-Try a different wall outlet(or by testing another device make sure the wall outlet is good)<br />-Try a different power cable.<br />-Try a different laptop battery.<br /><br />If none of the above help then you may need to have your laptop repaired(internal damage) or replaced.<br /><br />If your laptop is under warranty you should contact your laptop manufacturer or warranty policy holder to have it repaired or even replaced. <br /><br />If it is not under warranty you should look for local computer repair shops or technicians. <br /><br />-G33k<br />
F-8 is the key, Try to "cold start" the computer, meaning remove the power plug from wall outlet or uplug from computer, remove battery, now replace battery and plug computer into wall outlet. Push the on button while "TAPPING" the F-8 key repeatedly Tap, tap, tap, until you hear a beep or it load the black menu with safe mode options. IF THAT DOES NOT WORK: shut down the laptop,remove AC supply, remove battery. Plug the AC power back in,DO NOT INSTALL BATTERY, Start the machine, without battery installed, and tap F-8 repeatedly. If it still fails, PULL THE PLUG OUT OF THE WALL OUTLET WHILE THE COMPUTER IS STILL RUNNING. NOW PLUG THE LAPTOP BACK INTO THE WALL AND START, THAT SHOULD TAKE YOU TO A BLACK PAGE WITH WHITE SCRIPT WITH OPTIONS YOU ARE LOOKING FOR.
If thelaptop battery is more than 3 - 4 years old then the battery could be worn out.Rechargeable batteries have a finite number of charge and discharge cycles andwill lose their charge capacity over time, i.e. won't charge to 100% and graduallythe charge reduces until the battery won't charge up at all. OR The batteryshows a 100% charge but when the adapter is disconnected the battery drops offto zero capacity in a very short time. If the battery drops to an unacceptablecharge level then the battery needs to be replaced.
When you say you "tried turning it on with the battery removed", did you leave it plugged into the wall with the charging adapter at the time? Please clarify that you tried to use it while plugged in without the battery and it would not power up? When you plugged it in without the battery, was the green charging light on? Or did you get no power light at all?
With your battery in, try using a different outlet to plug into. Plug it into another outlet and when the green charging light comes on press and hold your power button on your keyboard and do not release it for 30 to 45 seconds. Tell me if this boots up the pc even if just for a moment?
There are three lights on your keyboard that should come on when the laptop is plugged in and turned on. One is the power light, the other is the battery charging light and the last one is the hard drive indicator that looks like a round cylinder on the picture. Tell me when you plug it into the outlet and the battery charge light is on, does the hard drive light come on and/or flicker when you try to power up the laptop? How many lights come on when you press and hold down the power button with the cord plugged into the wall?
I would say: yes. The battery has a specific number of charge/discharge cycles. Once this number is reached, the battery's charge retention starts degrading, & eventually, the battery fails. I recommend using the battery only when no wall outlet is available.
Try to connect the AC adaptor of your laptop and plug it to the wall outlet and let it charge for 3 hours or more. When you plug it on the wall socket, it won't show the laptop's led blinking since it was totally drained. But after 3 minutes or more, it will start to show the blinking led to indicate charging. When blinking stops led light disappears, it is fully charged and ready to use.
Remember: Do not use your laptop while it is plugged in to save your battery life. When at home, remove the battery while it is fully charged and plug the AC adaptor directly to the wall outlet. It will still work without the battery as long as it is plugged directly to the wall socket.