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start with the battery and make sure its charged and ok..then go to fuses and look there some vehicles have fuseable link wires in the system that fail due to corrosion and overloading..check all cables connectors and wires for burnt or broken issues.. get a battery charger and connect it to the car if now power anywhere..see if the battery is dead or needs replaced entirel..see if lights work when charger connected..if so battery needs charged or replaced..good luck..repost please thnx
If a portable, could be no charge or bad battery---output voltage is marked on the charger and can be tested with a meter---if voltage and battery are good (most units will work with the charger hooked even if battery is bad) then the unit has either a damaged jack where charger connects or has a power supply problem inside it.
Could be many things. Let start with a couple of easy ones.1) Unplug charger from computer and outlet, take battery out press power for at least 30 sec. Plug every thing back power on. 2) charger bad won't turn on or charge battery, try diferent charger if don' know how to use a voltmeter. 3) power jack loose or broken. 4) last and worst mother board circuits transitors etc... btw processor, video card or input devices fried. Buy new board from ebay. Don,t fix it. Not worth it. This is Only if laptop gives completely sign of not turning at all. No lights, no hardrive or no working or fan. No signal of life. If couple of lights do turn on it can be the ram or video card, play with ram a bit. Good luck.
Try this, it worked for me:- Obtain a desktop style charger for the LI 70B battery and charge it separately from the camera. I got a charger at very low cost on eBay. I THINK that the original camera plus original charger won't cope with deeply discharged batteries. I also suggest making sure that the Auto-Power-Down is also switched ON in future. Good Luck.
Remove the battery and check the voltage on the battery, if low try to JUMP charge, if not replace. Also check the charging voltage with the adaptor connected to the latptop. If there is no voltage then the charger must be checked.
However if the battery and adapter seems good then the mother board is a suspect and it is ideal to get the help of Tosibha service for estimation.
Ifthe laptop battery is more than 3 - 4 years old then the battery could be wornout. Rechargeable batteries have a finite number of charge and discharge cyclesand will lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up atall.
ORThe battery shows a 100% charge but when the adapter is disconnected thebattery drops off to zero capacity in a very short time.
Ifthe battery drops to an unacceptable charge level then the battery needs to bereplaced.
Whenyou connect the power adapter into the laptop, does the power LED lightup? If not then -
The battery adapter or the adapter's power lead or the laptop's powersocket could be faulty.
Check power adapter's DCplug that connects into the laptop power socket with a multi-meter, the voltageshould be slightly higher than the voltage that is printed on the label on thebottom of the adapter. If the voltage is zero or way below the voltage that isprinted on the label then the power adapter is faulty and needs to be replaced.
If the adapter is OK thenconnect it to the laptop and power it up, then look at the power/batterycharging LED light and wriggle the power plug in the laptop's powersocket. If the power/battery LED light flashes and in a certain position thisLED light stays firm, then the power socket is either faulty or it has a drysolder joint where it is connected to the motherboard.
This can be repaired but itrequires the laptop to be completely dismantled to get at this power socket andrepair. If you cannot DIY then I suggest you get a quote first.
Yes, your batteries are trashed. You need to replace them. Or take them off the chair and put them on a car charger,slow charge. They need to be up over 24VDC. If they fall under 24VDC the charger won`t recognize them and won`t charge.