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Pansonic toughbook CF-18 power supply

My toughbook will run on battery power but not when the AC cord is connected... With the battery fully discharged it won't power up,and I get an amber "battery charging"light for a few minutes and then it either changes to flashing red or goes out completely. The power cord works on another laptp just fine. Does this indicate a bad power jack? If so, how difficult is this to fix on this model of toughbook?? Thanks, Dave

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Nothing happens when i turn my cf-30 on


remove battery, check ac adapter is getting ac power from a working outlet. check ac power jack is not loose, check ac adapter cable is not damaged.

Jan 09, 2014 | Panasonic Toughbook CF-30 Notebook

1 Answer

I have a toughbook cf-19 and the charging lite keeps blinking red


You have a DC connector problem:

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

Jan 29, 2011 | Panasonic PC Laptops

1 Answer

Yesterday my battery was indicating it was at 17%, so I plugged it in. Awhile later the "battery low" indicator came on screen so I realized it hadn't been charging. It still didn't charge if I...


You have a DC connector problem:

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

Jan 27, 2011 | Panasonic Toughbook CF-51 Notebook

1 Answer

Pansonic CF-50 Laptop no battery, won't start with


If you are sure that your adapter /charger is working properly, you might have problems in your motherboard and it can't be bypassed

Jan 10, 2010 | Panasonic Toughbook 50 Notebook

2 Answers

I dropped my panasonic tough book C-484HHUEM when working on it


the hard drive is located under the keyboard in toughbooks

http://www.askmehelpdesk.com/computers-beginners/opening-toughbook-cf-47-a-25391.html
note its for CF47 but they are similar
As for not booting fully that could be a number of things, maybe you have tried these.......you have power so a reset might not help but still try it, remove battery and ac power hold power button down for 40 seconds. Try running also just on ac and then just on battery. Have you tried to run the machine in safe mode pressing F8 on boot. Even though it could be corrupt data or damaged HD worth trying the simple stuff.
hope helps a bit, get back to me if i can help at all

Oct 29, 2009 | Panasonic Toughbook 48 Notebook

2 Answers

I have a panasonic toughbook cf-48. It was working and then all of a sudden it shut down and won't turn back on. I thought it was that the battery wasn't charging, so I bought a new battery. When I looked...


Check your mains adapter 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. I suggest you get a quote first.

Oct 25, 2009 | Panasonic Toughbook 48 Notebook

1 Answer

Possible blown motherboard


you need a fully working battery as while you plug power adapter power light does not come on nor does the laptop itself turn on please check the power supply and its cord . If you have have not grounded the power supply third terminal this is possible that power is coming from body of your laptop.But check DC voltage output of power adapter. It should be approximately18 to 20 volts

Jul 10, 2009 | Panasonic Toughbook 19 Laptop Convertible...

1 Answer

I have a panasonic toughbook notebook model cf 18 I recently had major repairs done to this and now I can not get the sound or touch screen to work I am currently running windows xp on this computer


It sounds like the cables for the sound & touchpad were not fully connected. Take it back to the servicer and ask them to reconnect your audio & touchpad cables.

Dec 23, 2008 | Panasonic Toughbook CF-73 Notebook

2 Answers

Pansonic Wireless Probelms


You may need to install the driver for your wireless adapter manually. Go to Device Manager > Look for "Other Devices". Under "Other Devices" look for an item that could be your wireless adapter (trial and error method) , right click it and select update driver. Your wireless adapter can sometimes be "Network Controller" under Other Devices. If your first item under "Other Devices" does not recognize the driver that you supplied, proceed with the next item. Make sure you have the correct driver.

Good luck and have a nice day!

Sep 29, 2008 | Panasonic Toughbook CF-73 Notebook

2 Answers

Bios password


usually you can reset the password by taking out the battery and removing the AC adapter, then either pulling out the small watch sized battery on the motherboard and leave it off for a few minutes or move a jumper on the motherboard to reset the bios. If that isn't possible or doesn't work there is a list of backdoor passwords available here. http://saptha.com/blog/?p=32

Jul 24, 2007 | Panasonic Toughbook 47 Notebook

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