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Battery light flashing on panasonic toughbook

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  • Anonymous May 05, 2009

    bought a new battery - no go

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This is normally caused by a bad battery or a bad charging circuit on the motherboard. I would suggest buying a replacement battery to solve this issue.

Posted on Dec 20, 2008

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Posted on Jan 02, 2017

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Panasonic toughbook cf-31 "plugged in, not charging"


Are you sure that you are using the authentic Panasonic Toughbook AC Adapter? The Panasonic Part Number is:CFAA5713AM
The correct Voltage and Amperage is: 15.6 volts and 7.05Amps.
When the power supply is 3Amps then the total watts is less than half, which is enough to power the computer but not enough to charge the battery pack. Good Luck.
From Richard, Montreal Based Panasonic Canada Authorized Toughbook Dealer since 1989.

May 07, 2014 | Panasonic Toughbook CF-31ATNAA1M 13.1 LED...

1 Answer

Laptop dies when unplugged


Panasonic Toughbook PC Laptops usually have
very reliable battery pack. When your unit is plugged-in
but the Power is OFF, you should see an LED light as follows:
RED FLASHING: Means the battery needs replacement.
Orange/Yellow Solid: Means battery is charging.
Solid Green: Means battery is fully charged.
NO Light AT ALL: Means that Battery Pack is missing.

There is also a battery calibration utility on all Panasonic
Toughbook PC's manufactured since 2004. This is a factory
installed software and is only present in factory units.

This software may also be downloaded as a driver from the
Panasonic Toughbook website as follows:

http://pc-dl.panasonic.co.jp/dl/

Check also in the bottom right hand corner under
Windows for the battery Icon. This will indicate if
the battery is charging, present or not present,
and under Windows 7+ will indicate if the battery
needs to be replaced or not.

Good Luck!
Regards,
Richard - Montreal Based
Panasonic Toughbook Authorized Dealer since 1989.

May 01, 2013 | Panasonic Toughbook Computers & Internet

1 Answer

Panasonic CF 50 battery light flashing red light


A "Red" Flashing Battery Light on ALL
Panasonic Toughbook Models means
that the battery is no longer functional
and can no longer hold a charge properly.

If you really require a battery then you
may be able to order a replacement
battery from the Panasonic Parts Dept.

An original battery cost might exceed the
value of an old CF50 so be aware and
take note.

It is possible to completely remove the
battery pack and use the CF50 without
a functional battery pack with no problems.

Good Luck
Regards,
Richard - Montreal Based
Panasonic Canada Toughbook Authorized Dealer since 1989

Sep 25, 2012 | Panasonic (CF-50MB2FDKM) PC Notebook

1 Answer

Battery calibration for cf-29 panasonic laptop download


On the Panasonic Toughbook CF29 MK1 Model,
the Battery Recalibration application is actually
built-in on the BIOS. On all other models, it is
a downloadable software located at this website:

http://pc-dl.panasonic.co.jp/itn/drivers/d_menu_en.html

Please remember to choose your operating system
and then find the Battery Recalibration Application.
Finally click on the "Download Now" button located
on the right hand side.

Good Luck!
Regards
Richard - Montreal Based
Panasonic Canada Toughbook Authorized Dealer since 1989

Aug 21, 2012 | Panasonic Toughbook CF-29 Notebook

1 Answer

Toughbook cf-52 will not power up. when I plug in the power cord the battery light comes on but still will not power up. the batery is fairy new. any suggestion?


On any Panasonic Toughbook I would try first to unplug the unit and then take out the battery pack. Then do NOT put the battery back in but re-plug the unit. Then try turning the power back on without the battery pack. Under normal circumstances the Toughbook will now turn back on. If this does not work, try holding the power button continuously on for 12-15 seconds. If the unit is in a deep sleep this will "reset" the Toughbook and usually works.

Good Luck
From Richard, Montreal Based Panasonic Canada Authorized Toughbook Dealer since 1989.

Jun 16, 2011 | Panasonic Toughbook CF-51 Notebook

1 Answer

Power shuts down when diconected from outlet.bat light flashing red


Your problem is with your battery. It most likely needs to be replaced, since it wont charge. You can usually find them cheap on amazon.com or ebay.com

Apr 29, 2011 | Panasonic Toughbook CF-51 Notebook

1 Answer

I was using my tough book for several months , plugged into the wall, only as the battery no longer holds power---It worked fine for my basic purposes--( windows 98 !! ) occasional word processing and my...


On all Panasonic Toughbooks, I would suggest to physically remove the battery pack and unplug the unit. Then WITHOUT putting the battery back in, try to plug back in the Toughbook and turn on the unit. This is even a suggestion from Panasonic Technicians themselves.
This process will "dissipate" any charge which may be preventing your Toughbook from turning on.
I hope this works for you and Good Luck!
From Richard, Montreal Based Panasonic Canada Authorized Toughbook Dealer since 1989

May 28, 2017 | Panasonic Toughbook 71 Notebook

1 Answer

I was on my Panasonic Toughbook CF 73 this morning, I had been using a wireless connection, but I could not get the wireless to work, so I plugged in the adapter and the phone line for dial up, I got...


On all Panasonic Toughbooks the following works.
Please unplug you Toughbook and remove the battery pack.
Then Please do not put the battery pack back in.
Without the battery pack, plug back in the Toughbook.
Try to start the Toughbook, it should work.
If it does not, try to hold down the power button for 12-15 seconds continuously. This should "reset" your Toughbook.

Good Luck.
Richard, Montreal Based Panasonic Authorized Toughbook Dealer since 1989.

Nov 29, 2009 | Panasonic Toughbook CF-73 Notebook

2 Answers

Battery light flashes red when plugged


that means it is charging and your battery is low in charge but if it contineous on red light and it is plug to the power supply, then have your battery check in the service center

Nov 04, 2009 | Panasonic Toughbook 29 Touch (P/N...

1 Answer

Cf-18 toughbook


The BIOS may not support the larger drive at all; I suggest you look for a Toughbook forum and repost there and check Panasonic's site for a manual download and possibly a BIOS upgrade if the unit is equipped with a flash BIOS.   

Aug 27, 2008 | Panasonic TOUGHBOOK CF-18 Tablet PC

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