Having problems with your Panasonic Toughbook CF-51 Notebook ?

Panasonic CF-51 toughbook will not start up

\015 My laptop will not start up. \302\240I was using the laptop when it all of a sudden shut off. \302\240It went from running to black in an instant, no shut down process, nothing. \302\240The battery was fine, and it was plugged in aswell. \302\240I cannot start up the computer now at all. \302\240This is what happens:I push the buttonThe lights on the front of the laptop come onThere is a strange whirring noise (not loud, just not its norm)The screen comes on for a split secondit turns off again.\302\240all of this happens in about 4 seconds time.The results are the same plugged in, with the battery in or out, with the hard drive in or out. \302\240Same noise, same result. \302\240Is it the fan, or is it the motherboard? \302\240This hasnt happened before and the laptop has never been alowed to over heat, had anything spilled on it, or been dropped. \302\240Sugestions?\015

Answers :

Hello,
\015\012
\015\012I was able to fix this problem by reseating the componets inside (CPU & RAM) and resetting CMOS (pulled the batt for 10 sec.)
\015\012
\015\012I had the same problem. Remove HD and Batt. Pop the cover over the speakers & power button off. Slide the keyboard up and out, fold over out of the way. Pull the connector from the cmos battery for 10 sec then plug back in (2 wire conn next to speaker wire connector. Unscrew the heatsink on the cpu, remove. Wipe the thermal compound off. Flip the latch down and lift the CPU slightly out of socket, put it back in socket and lock retain latch. Apply new thermal compound install heatsink. Put back together, boot up. You will get an error the first time because the bios has been changed. You can hit F2 for setup to change time and date, save changes exit.
\015\012
\015\012TAADAAAA... YAAAAAH!!!!!!!!
\015\012
\015\012Hope that helps.
The sound you here would be the fan. Before opening the case check your warranty -the Toughbook is an excellent laptop so Panasonic may help you. If you have never opened a laptop you should get the remove/replace procedures, keep track of every screw as they vary in length and use an esd wriststrap so you don't make things worse. One possibility is that something got sucked into the fan which would change the rpm of the fan which would signal the computer to shut down. It may be worth trying to use a canned air to blast into the fan exhaust in case there is something in there. Good luck with this and repost if you need more help or info. ~Steve Medley
Repair Help & Product Troubleshooting for Panasonic Toughbook CF-51 Notebook

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