Question about Toshiba Satellite C845-S4230 14" LED Notebook - Intel Pentium B970 2
The dc jack seems to be broken. The power plug is loose and will not charge the battery.
When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.
Posted on Jan 20, 2013
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Posted on Jan 02, 2017
Not that hard to fix if you are careful about taking it apart and re-assembling it. A digital camera is helpful during the dis-assembly to remind you later where everything went. Took me about 2 hours the first time I did one. Just take your time.
When your done, get a CRD (Cable Retention Device) to relieve the strain on the cable and the pin. I use one from this company.
Posted on Apr 25, 2008
SOURCE: Toshiba Satellite A105
The most common problem on these units is the ac connector solder joints break away from the motherboard. If you're sure the ac adapter is working, and the correct one, and it's not charging the battery (assuming the battery is good), it's most likely the problem. They don't have to appear loose to be loose.
Otherwise, it's motherboard time, or a loose screw, etc has caused a dead short on the board.
Good luck, if you have additional info, let me know.
Posted on Feb 09, 2008
you have to strip down the laptop so you can access the underside of the motherbord then you need to desolder the solderd connectors and remove the DC jack
then put the new DC jack in its place and solder back in place
please note this is quiet a big job and requires knowlage of laptops
Posted on Dec 02, 2009
this sound like there is a short in your soldering, did you solder the port directly onto the motherboard. just go over all the joints and make sure there is no shorts
Posted on Mar 28, 2010
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You may have a loose DC jack:
Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.
If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it's still under warranty, it would be fixed at no charge to you.
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