Question about ASUS M2N-MX Motherboard

4 Answers

Cmos checksum bad...usb current status detected system shut down 15 sec

Hello im building my first pc and have done it by the book so far. when i turn the power on i get this command and then the computer shuts off
cmos checksum bad
usb device current
status detected system will shut down in 15 seconds.
then it does what it says/ im lost and im in great need of help will be very thanful to anyone who can help.

asus p5ld2 se......


USB DEVICE OVER CURRENT STATUS DETECTED SYSTEM WILL SHUT DOWN IN 15 SECOND

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  • 3 more comments 
  • Geoff Plumb
    Geoff Plumb May 13, 2008

    My pc,s exactly the same

  • Anonymous Jun 03, 2008


    • USB Device over current status detected system shut down 15 sec problem, and notify you when a new

  • Doctor Ross Oct 30, 2008

    I have the usb over current status message. I have cleared the cmos, checked the jumpers, pulled the mobo and tried to run it on cardboard to see if it was a grounding problem. I'm stuck. This is a new build and my fourth. Any suggestions?



    specifics... asus p5n-d board

    q6600 cpu

    gts8800 gpu

    ocz ddr2 dualchannel 800 ram

  • sassabrassa Dec 29, 2008

    Exactly the same problem:
    "
    cmos checksum bad
    usb device current
    status detected system will shut down in 15 seconds.

    "
    All new components putt together for the first time.

  • manomk2006 Mar 08, 2009

    usb device over current status detected error

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4 Answers

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Situation Remedies If you have encountered this error and would like to fix your computer, here are some remedies for each situation:
CMOS Battery Not Functioning Properly: If you suspect your CMOS battery is not functioning properly you can easily change it. Before changing your battery, reboot your computer to make sure that the error still exists. If it does, go into your CMOS and write down all of the settings. If all settings are lost, you can usually get them from your computer manufacturer. Now locate the battery and remove it, you might need to consult your computers manual or tech support to remove your battery. Take down the CMOS batteries information such as volt, size, etc. Once you have your new battery, you can replace it and reenter your CMOS settings. If your battery was the cause of the CMOS Checksum Bad Error, you should have remedied the problem.
Your BIOS has Been Updated (either by you or possibly a virus): If your BIOS has been updated recently, your CMOS settings may have become reset. Make sure that the values entered in the BIOS are correct or simply reset them to the default settings. If you believe that a virus updated your BIOS settings, run a virus scan and make sure that the BIOS settings are back to the default.
The Computer Was Shut Down Improperly: Sometimes when running MS Windows, if you shut down your laptop or desktop without first properly shutting down your operating system it will corrupt the CMOS settings causing the CMOS Checksum Bad Error. You can easily avoid this error by making sure that you completely shut down your computer before turning off the power. Usually this entails going into the Start Menu/ Turn Off Computer/ Shut Down. If you received the error, shut down the computer properly, if this is the cause of the error, the error message will not return.

Posted on May 11, 2008

  • Mountaine70 Sep 14, 2010

    I Update the Bios myself because it was the first version with 3 years old, but when the system reboot the message "Cmos checksum bad" appeared, so I downgrade the Bios version 1 time, and again the same message, downgrade twice and the same, then I reset the Bios to the default settings and it worked.
    Thank you very much.

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Fixed - there was two jumpers on different places on the motherboard, that selects if USB items can wake the computers sleep mode. One of those jumpers was missing.

Posted on Dec 30, 2008

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ITs the motherboard battery!

Posted on Aug 01, 2008

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I have problem with it

Posted on Oct 29, 2008

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Posted on Jan 02, 2017

SOURCE: cmos checksum bad...usb current status detected system shut down 15 sec

It is in your bios this motherboard has been known to have isues with the bios chip.I am useing this motherboard and have been lucky I did not get this problem you are haveing.You may try flashing to the curent bios 1903 geting the download from the Asus site.

Extract
Then remove file
Rename file to P5LD2.rom
Put renamed file only on three and a half floppy disk
Reboot Holding alt F2 at same time
flash will start

If you do not feel safe doing this then you can get a new bios chip from asus with the 1903

Good Luck
Also make sure you have no air gaps on your heatsink to proc this will cause the pc to heat up and shut down.

Posted on Mar 05, 2008

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Getting a CMOS checksum bad error when starting my Acer M5640 Desktop with Windows 7 Thanks Daniel


Solutions to CMOS Checksum Bad Error

The CMOS Checksum Bad Error can be fixed easily by following the listed steps carefully.

CMOS Battery may not be functioning properly

If you suspect that your CMOS battery is not functioning properly, you can easily change it. Before changing your battery, reboot your computer to make sure that the error still exists. If it does, go into your CMOS and write down all of the settings. If all the settings are lost, you can usually retrieve them from your computer manufacturer. Now locate the battery and remove it, you might need to consult your computer's manual or technical support to remove your battery (the battery a flat, shiny silver colored and coin-shaped). Take down the CMOS battery's information such as volt, size, etc. Once you have your new battery, you can replace it and reenter your CMOS settings. If your battery was the cause of the CMOS Checksum Bad Error, you should have solved the problem.

Your BIOS may have been updated

If your BIOS have been updated recently, your CMOS settings may have reset. Make sure that the values entered in the BIOS are correct or simply reset them to the default settings. If you believe that a virus has updated your BIOS settings, run a virus scan and make sure that the BIOS settings are back to the default.

The Computer may not have been shut down properly

Sometimes when running MS Windows, if you shut down your computer without first properly shutting down your operating system, it will corrupt the CMOS settings causing the CMOS Checksum Bad Error. You can easily avoid this error by making sure that you completely shut down your computer properly before turning off the main power. Usually this entails going into the Start Menu, clicking on Turn Off Computer/ Shut Down. If improper shutdown was the cause of the error, you may have solved the issue.



akuma_ryu21 rate it pls!!

Jan 21, 2011 | Computers & Internet

2 Answers

I have asus p5gc-mx motherboard when i start my pc it show some mess like,,,,,00 mass storage devices found and configured ,,,,and CMOS checksum BAD ,,,,,,,,, somebody know what is this and help me to fix...


Hi,

Checksum errors are almost always an indication of RAM problems. Have you replaced the RAM lately? Or perhaps had modules out and not reinstalled properly? Is this a new board?

No mass storage devices looks like there are problems with connections or hardware problems with your hard drive.

Are you setting up a new board or did this just happen out of the blue?

Can you get into the BIOS setup when it begins booting?

Any other information would be helpful.

Wayneard

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On starting my pc error come CMOS check sum bad. usb power overload. system will shutdown in 15 sec. and system turns off after that. i have already change the cmos battery. please give some useful...


Check your system USB connector having any short circuit, you can test it by removing all USB connections. Then again it showing USB over current error it is related to your Motherboard ICH problem, motherboard to be replaced

Sep 25, 2010 | ASUS A8N-VM Motherboard

1 Answer

Booting problem


There are usually three main reasons that a CMOS Checksum Bad Error has occurred. They include:
  • CMOS Battery may not be functioning properly. The battery life may have expired.
  • Your BIOS may have been updated (either by user or possibly a virus)
  • The computer may not have been shut down properly e.g. shutting off the computer's main power without first shutting down the computer (MS Windows requires you to shut down your computer before shutting off the power).
Solutions to CMOS Checksum Bad Error The CMOS Checksum Bad Error can be fixed easily by following the listed steps carefully.
CMOS Battery may not be functioning properly
If you suspect that your CMOS battery is not functioning properly, you can easily change it. Before changing your battery, reboot your computer to make sure that the error still exists. If it does, go into your CMOS and write down all of the settings. If all the settings are lost, you can usually retrieve them from your computer manufacturer. Now locate the battery and remove it, you might need to consult your computer’s manual or technical support to remove your battery (the battery a flat, shiny silver colored and coin-shaped). Take down the CMOS battery’s information such as volt, size, etc. Once you have your new battery, you can replace it and reenter your CMOS settings. If your battery was the cause of the CMOS Checksum Bad Error, you should have solved the problem.

Your BIOS may have been updated
If your BIOS have been updated recently, your CMOS settings may have reset. Make sure that the values entered in the BIOS are correct or simply reset them to the default settings. If you believe that a virus has updated your BIOS settings, run a virus scan and make sure that the BIOS settings are back to the default.
The Computer may not have been shut down properly
Sometimes when running MS Windows, if you shut down your computer without first properly shutting down your operating system, it will corrupt the CMOS settings causing the CMOS Checksum Bad Error. You can easily avoid this error by making sure that you completely shut down your computer properly before turning off the main power. Usually this entails going into the Start Menu, clicking on Turn Off Computer/ Shut Down. If improper shutdown was the cause of the error, you may have solved the issue

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Hi there.
Basically you first bios update was bad, if you can get into the operating system re-flash the bios again, that will sort it out.

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Cmos checksum bad...usb current status detected system shut down 15 sec


asus manual .pdf bios Version 1301 is the last one what is your version

also does your power supply support 1amp for 5VSB
58bb76e.jpg

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CMOS CHECKSUM BAD USB DEVICE OVER CURRENT STATUS DETECTED SYSTEM WILL SHUT DOWN IN 15 SECS there is no shortcircuit in usb header 5v is ok i also upgrade bios but it did not solve this error


easy......cmos checksum bad =

dead battery ...buy a new cmos battery for £2 ..make sure you install correct way up...

from any pc shop or ebay...

you will have to reset date /time in bios afterwards...f2 or delete usually to enter bios settings..
regards tonster

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Hi,

It would seem that you posted twice, pls see you other post.

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Cmos checksum bad...usb current status detected system shut down 15 sec


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