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Black screen after BIOS update

Have a NEC versa m540 laptop tried to up date the BIOS and now have a black screen.Checked I had the correct exe. file before I started.

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Better flash the bios again, this time try a different version of the bios. but, if it wont boot from the new bios flash disk, then u just turned your computer into a paper weight.

Posted on Dec 29, 2008


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Posted on Jan 02, 2017


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How do i repair nec versa p9120 wifi on power on fan is running but i have a black screen

If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :-

Mar 25, 2012 | NEC Versa Computers & Internet

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HI. I ve a NEC versa pro VA12J. When i start my laptop it starts with beep sound and shows BIOS screen with an error message: 0251: system CMOS checksum bad- default configration used. During this period,...

This "0251" error indicates that the CMOS (complementary metal-oxide semiconductor; a memory chip that holds data the computer needs each time it starts, such as the current time and the BIOS [Basic Input/Output System]) has become corrupted or damaged, typically because of one of these three reasons: A BIOS update has gone awry, a recently installed program incorrectly modified the BIOS, or the computer battery is running out of power.

If you recently upgraded the BIOS, the first thing you should do is edit the BIOS settings. The BIOS developer can help you access the BIOS Setup utility and configure the BIOS accordingly. Likewise, if you recently installed a program that may have modified the BIOS, contact the software developer for assistance in reconfiguring the BIOS for the new program.
If you did neither of these things, the culprit is probably a faltering battery. You can probably replace the battery on your own, but the process varies widely depending on the type and age of the computer. We suggest consulting the documentation that came with your computer or contact the computer manufacturer to determine the type of battery involved, where to purchase a new one, and how to replace it. You can also access the BIOS Setup utility and write down the BIOS settings to reconfigure the BIOS correctly after installing the replacement battery. Once the new battery is in place, you will have to reconfigure the BIOS and reset the system time, but the error message shouldn't appear again.

hope this helps

Jan 09, 2011 | NEC Laptop Motherboard (1580262530)

2 Answers

Forget bios password on nec laptop versa

The BIOS password may be removed by removing the BIOS battery from the notebook for 20 mins. If you cannot wait for this period, then short out the battery contacts for a few secs.
Replace the BIOS battery and go to the BIOS configuration and set the Date & Time etc.
If this procedure does not work then try this WEB site for BIOS passwords :-

Oct 07, 2010 | NEC Versa SXi Notebook

1 Answer

Don't know boot up password. How do i go about unlocking it. Nec versa m540.

YOu can reset bios password with 2 method.
(1) open back cover of laptop then find motherbord .Pull cmos cell from motherbord for 15 minutes then again put it in it's position .then it not ask for password.
(2)You can clear password with jumper settings find jumper on motherbord named clear cmos it has 3 pin .1-2-3
Put jumper in 2-3 position then again put it in 1-2 position then check .
Let me know if you need more assistance.

Nov 09, 2009 | NEC Versa Premium Notebook

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Need help with my laptop

Did you laptop come with a RESTORE CD or DVD?
Look for the application on the media that came with the laptop.

You can also get it online
ONLY for AMI BIOS and Windows NT 4.0.
HDPrepEZ version 1.9 for AMI BIOS. Supports FAT32 partitions.
Windows 95, Windows 98

This is the page with all support downloads for your LapTop:
Select you type / make / model and you will have access to all service releases.

Hope it helped.

Mar 03, 2008 | NEC Versa SX Notebook

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