20 Most Recent Fujitsu LifeBook N3410 Notebook Questions & Answers

Unfortuneately that leaves the charging circuits on the motherboard that must be faulty, "this is so rare I have seen only one in all my years of service". But I think it is a good idea to have the charge circuits tested to be sure.

You may remove the key and remove any dust in there and place it back. This should fix the problem

Or else i think you have to change the keyboard. But in some cases, the keyboard is embedded to the motherboard. So that might be expensive, so in that case, try to use an external keyboard.

go buy one

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Remove the battery for 5 minutes, press and hold the power button for 3 seconds, wait 5 more minutes, put battery back in and see if everything works now. It should. This usually works.
If it doesn't, you may have a faulty memory chip causing you the black screen.
You can try removing one at a time to see if it corrects the problem.
Lastly, the ribbon cable from screen to motherboard can become piched and non responsive.

Hi:

The most likely problem is that your keyboard is failing. They are not very expensive, approx $15-20 on ebay, and are not difficult to change.

I'd put the cmos battery back.

na i dont think there is a driver issue try with a known working card and see if it does the same thing is yes than there is issue with the reader if the other card works its issue with the card which is not working

Question edited for proper spelling of maker name and better English. Question moved to Fujitsu category. No model, service tag details given, so generic help. Re: E744 - NumLock flashing Remove the battery and the ac adapter and press the power button again for a view seconds. After that connect the ac adapter first an try again if you can start your device. If you are facing the same problem again you should contact a service partner regarding a repair of your notebook. May 5, 2015

E744 - NumLock flashing - Fujitsu Support Forum

Fujitsu https://forum.ts.fujitsu.com > forum > viewtopic

Fujitsu S6520 screen blank with Num lock blinking

Fixya https://www.fixya.com > support > t5988599-fujitsu_s... Press and hold the power button for 30 seconds solid. Then, do not put the battery back in, just the power cord. Try to start the computer, if it starts, ...

• SOLVED: Fujitsu S6520 - when i start, the num, caps

  https://www.fixya.com > ... > Fujitsu > LifeBook Blink codes are often displayed after a user adds memory to the computer but does not seat the module properly. The LEDs may also blink error codes if a ...

Try a hard shutdown if the volume is up.

your problem could be that the hard drive is broken, perhaps with some tool to repair hard disks the problem. test starting for example hiren boot from a memory or cd and see if it recognizes the hdd, if so you can pass some repair tool

remove the bios password by removing the cmos battery, removing the jumper from the pins right next to the battery, marked something like pswd, plugging it in and hitting the start button.Before you open the case, unplug, remove the bettery, then hold the start button to get rid of any energy.

please mention the laptop model

In the bios

Sounds like liquid may have been spilled on the keyboard. Plug in an external usb keyboard and check if it works. If so, you will need to buy a replacement keyboard and swap it out, best cheap from Ebay.

1) Try plugging in an external usb mouse incase you have disabled the mouse pad by mistake 2) Force a reboot and press F8 just past the BIOS screen Choose Last known good configuration from the list

Google search your manufacturer make and model and the word manual. If one is available, you can find it in the search results.