Question about Asrock P4I45GV R5 Motherboard

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Always display bad cmos setup

I replace already the cmos battery , but when i switch it on tha bad cmos setup message always display.

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  • 53 Answers

Have you checked the jumper next to the cmos battery? check if its good not broken and also try and upgrade your firmware. visit your motherboard's manafacture for the firmware upgrade.

Posted on Nov 13, 2008

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1 Answer

Why do date and time keep setting to default?


Are you sure you replaced the CMOS battery with a fresh one? Did you install it backwards (the plus side should be UP). I've only seen a bad CMOS battery cause that problem. I would try one you know is new and check the installation.

Good luck.

Dec 27, 2011 | EliteGroup ECS H61H2M2 Intel H61 Sandy...

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When i start my pc it always demand for F1 and shows CMOS setting is wrong or time and date is wrong


That usually indicates a bad CMOS battery. The CMOS battery can be replaced.

Apr 30, 2011 | Mercury Motherboards

1 Answer

CMOS bad message being displayed


what you should do? here is what you do.....a simple idea....replace the CMOS battery and 100% it will work good...it will not bugging you everytime you open the pc....check,i need to share only my experience.

Mar 03, 2009 | Intel D845GVSR Motherboard

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Prompt to enter setup when started


press del to enter to cmos and set to load setup default and select exit and save changes and if happen again replace your cmos battery.

Nov 24, 2008 | Motherboards

1 Answer

CMOS checksum bad


Check your battery connections sometimes when you change battery the connectors get distorted and do not connect properly.
Also check all M/board power conections

Nov 04, 2008 | EliteGroup P4M800PRO-M Motherboard

1 Answer

Press F4


svjyrat

"always message to press F4 at the time of star up". this problem happen when CMOS detect any error. is also happen if CMOS battery fail (Chack sum error).

to solve this problem at first check CMOS battery (it voltage less then 3V or not) if it bad then replace it. u can buy this battery form any computer accessories shope.

or if u not connect floppy drive, and controller enable. if u desable floppy drive contoller from CMOS setup (in intel mother board is show BIOS setup) then this problem solved.





Jul 03, 2008 | Intel Motherboard

3 Answers

Always f2


If I understand correctly your saying when you exit the cmos, id doesn't save your changes. Make sure when you exit you select the option to save and exit. If that doesn't work, your cmos battery is dead. Look in the mobo manual to find out what replacement battery you need.

Harris

May 01, 2008 | Asrock P4I45GV R5 Motherboard

5 Answers

Bad BIOS checksum.... CMOS bad checksum errors


BOOT BLOCK COMPATIBLE VERSION VER .005
BAD BIOS CHECKSUM

CHECKING FOR CD ROM
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
NO CD-ROM FOUND
CHECKING FOR FLOPPY DISK
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
NO FLOPPY DISK FOUND

Does someone already fix this problem??????

Nov 15, 2007 | ASUS M2N-MX Motherboard

1 Answer

CMOS Setup Problem


your cmos battery is bad,try and change it

Feb 26, 2007 | ASUS P4GE-MX Motherboard

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