Question about Panasonic Toughbook 19 Laptop Convertible Tablet

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My toughbook says the comm port 1 is currently unable to connect

I keep having a problem that my toughbook comm port 1 is currently being used by another program. I keep trying to troubleshoot and keep the toughbook to connect to a PRC- 150 so I can fill the radio with a RPA and use TAC CHAT on it. Any suggestions

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Plz scan with your updated anit-virus software

Posted on Jun 16, 2009

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This is a conflict on ur board concerning the comm port 1, is either u reassign the port causing the conflict or call a techian to look into it. if wanna check this out go to start - program - accessories - system tools - system information. it will take some time b4 it displays and then select Hareware resouces then click on conflict sharing, IRQ 4 is ur COM1 port.

Posted on Jun 16, 2009


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1 Answer

Cantdisplay pic from pc to tv

To use a Panasonic Toughbook CF52 model
on a TV, you require a TV with a VGA Port.
The VGA port is a 15-pin female connector,
usually BLUE in color and you will require
a MALE-MALE VGA Cable which is also
BLUE color on the two ends.

The Panasonic has to be shut-off and the
cable connected to both the Toughbook and
the TV. Turn the TV on first and set SOURCE
on the TV Remote to "PC".

Then turn on the Panasonic Toughbook CF52.
If everything is properly connected then it
should switch automatically to the external TV.

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

Feb 20, 2014 | Panasonic Toughbook CF-52 (CF-52ELNBDAM)...

3 Answers

Panasonic Toughbook 51 modem error no dail tone


The problem can be internally.But you can try a system restore first.But make sure you take a backup and then do this.Because it will erase all the data.



May 19, 2008 | Panasonic Toughbook 51 Notebook

1 Answer

Never light up on screen when turn it on

On any Panasonic Toughbook, if the LCD does not "Light-Up", I would try the following:

Step 1: Make sure the Toughbook is Powered Off.
Step 2: Hook-up and external LCD Monitor to the VGA Port.
(On the CF51 with the ports facing you, the VGA Port is the third connector "color blue" from the right hand side).
Step 3: Power On the external LCD Monitor.
Step 4: Power on the Toughbook.

If the external monitor works then purchase a second hand external monitor. A used 17" LCD monitor should cost $20 or less and the VGA cable (used) should cost $5 or less.

This also means that your LCD may be burnt out. If this was a CF53 or even a CF52 then it is worthwhile to repair. The CF51 in my opinion is too old but at least you can continue to use it with an external monitor hooked-up.

That is it. Good Luck and Best Regards from:
Richard Montreal Based Panasonic Canada Authized ToughBook Dealer since 1989

Feb 18, 2014 | Panasonic Toughbook CF-51 Notebook

1 Answer

Brighten screen

Toughbook is a type of laptop computer marketed by Panasonic Corp.

The durable exterior makes it ideal for use in the military, government, hospitals and EMS systems.

The backlit keyboard is an accessory that can be added for convenience.

Check Power

Check the Toughbook to see if the power is on. Inspect the power cables to ensure they are intact.

View the available battery life on the screen of the Toughbook.

If the Toughbook is not receiving an adequate amount of power, the backlighting may not operate properly.

Optical Sensor

Remove anything that is obstructing the optical sensor.

The optical sensor is on the top right side of the keyboard.

The sensor reacts to light to determine if the backlighting should be turned on or off.

If there is anything obstructing the sensor, the backlighting will not work.

Wipe the sensor with a dry cloth to remove any dirt or dust that may be obstructing the sensor.

Connector Ports

Check the cables in the connection port to ensure the cables are securely inserted in each port. The connector ports that allow the keyboard to communicate with the LCD screen are on the left side of the keyboard and screen.

The keyboard cannot operate properly without solid connections, which are made with a USB and a function cable.

FN Button

Press the "FN" and "F12" buttons to brighten the back light.

The back light may be operating properly but you may be unable to see the light if it is too dim.

Pressing these buttons together will brighten the back light by at least four levels.


Place your hand on the bottom of the keyboard. If the keyboard feels hot to the touch, the keyboard probably has entered a protective sleep mode.

The Toughbook will go into protective sleep when internal temperatures reach a dangerous level.

When this happens, allow the computer to remain shut down for a while in order to cool down before it will begin functioning properly.

When the computer feels cool to the touch, it is safe to use.

This typically takes 15 to 20 minutes.

Hope this helps

Nov 14, 2012 | Panasonic Toughbook CF-W8 12.1-Inch Laptop

1 Answer

Unable to put printer "on"

First pull the cartridge out and check the comm strip on the cartridge and the printer, Ink could have split on the comm ports ,, try to clean the ink off with alcohol on a cotton swab, then let dry and replace cartridge, then turn on print and try to print it out.

Apr 20, 2009 | Computers & Internet

1 Answer

Can not find or activate comport 1 on windows Vista

Com port referes to a serial port. It looks like a monitor port only smaller. Since yuo connect via USB, it may be that the locator software is set to use Serial port or Comm Prot. See if it can be changed to USB. Perhaps load the software before or after plugin in the unit, that may make a differernce.

Apr 07, 2009 | Microsoft Windows Vista Home Basic for PC

1 Answer

I net connect two PC using comm port and transfer data b/w them

communication ports are very difficulkt to connect, so i suggest you lay your complain to google website and search for the details of installing it

Dec 07, 2008 | Computers & Internet

1 Answer


If you're behind a firewall or using a proxy server, you may be unable to play Yahoo! Games. Firewalls need to open port 11999. You'll need TCP inbound and outbound access for this port. The games hosts are currently,, ... up to You'll need to do a ns-lookup on these hosts to find out the IP addresses.

Nov 08, 2007 | Microsoft Windows XP Home Edition

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