Clear CMOS ?

hello,
i'm gonna boot my pc for the first time, but not everything is installed yet, the hard drive, floppy drive and CD-RW aren't installed yet... . But still this is a very important first boot, because this way you can check the CPU and memory and graphics card, if they are installed properly and have them excluded for future troubles. my question is:
shoul i clear the CMOS (using hte onboard jumper) before booting it for the first time ? just to be sure there won't be any unlogical settings...with the consequensce that it won't boot...so clearing CMOS should be the right thing to do, right ?
thx
greetz

Hi hypetraxx,
No harm doing so Go ahead and clear 1st before installing anything as this is just a play safe method, in case your mobo have not got it cleared, but situations like this are uniquely rare
I usually don't bother to clear it before installing anything... :P but hey... everything still gets installed and works out fine and rock stable... :D!!!
All the Best... :D!!!

Similar Messages

How to clear cmos with jumper method MSI Z97 Gaming 9 AC

no have socket for jumper/clear cmos ?

Quote from: pegadroid on 13-August-14, 18:37:12
ok. thank you all. now I'm not confused, I think its socket to clear cmos lost
If you mean the jumper no it did not come with one, nothing was lost. Older MBs had 3 pins for JBAT1 and came with a jumper and it was stored plugged into pins 1-2 and to clear CMOS it was moved to clear pins 2-3 and then moved back to the store position pins 1-2.

970 GAMING black screen when boot on cold start, have to clear CMOS everytime

I have 970 GAMING w/ FX8320, it shows black screen when boot on cold start, have to clear CMOS everytime to enter default.
I have updated it to the up to date M11 bios. Once it boot up, it functions OK no matter whether you reboot or reset it. But after turned off a few hours (cooled down), it shows on black screen again on boot, all LED lights up OK, but I can hear the fan like keep rebooting, any idea?
PSU seasonic 430W, GPU HD7750.

In what DIMM slots did you insert your memory? I just got and at this moment building a new computer with a 970.
A horrible experience I had with my last build reminded me of it. My board was am MSI A88XM-E45. DIMM1 is blue, DIMM2 is black, DIMM3 is blue, & DIMM4 is black. When using two sticks of RAM, it says to install one on DIMM1 & the other in DIMM3 (Makes sense... After all, it's color colored that way).
Well it would not boot. I reseated every component and for HOURS tried almost everything. Finally I decided to place my two sticks of RAM in the first two DIMMS and viola!
I think I will begin this build the same way.

No signal after clearing CMOS

Hey,
I was having problems and so chose to clear the cmos (using the jumper). Now there is no signal on monitor!
Just to make sure that it was cuz of clearing cmos, I had another computer with the problem so I did it to that one too lol. And that one also now shows NO signal on monitor. The monitor is working I've tested it with other comps. The picture was showing until i cleared cmos.
the two motherboards I have the problem on are:
MS-7267 Ver: 3.0
PM8M3-V H
Any help is appreciated. Everything is powering up, only thing is that nothing shows up on the monitor, and the monitor is in the "stand by" "yellow light" state.
Thank You

sorry to hear you got double wammy from your mobo but be frank with us did you turn the power off before changing the jumpers setting or 240volt to power supply was still connected on both occasions?? if power was connected you might have caused some damage to your mobo?? lets hope not.
try this if you have time and patient.
1-unplug the pc.
2-Remove all memory and insert only one in the slot1 which is closest to cpu. if you can try to interchange the memory if they fit.
3-change the jumper setting to position where it clears the cmos and please leave it for at least 30 second and not ten. then after 30 second put the jumpers in the original position (make sure you get this right).
4-then plug the pc and power it.
there are occasions where static charges do prevent mobo from working. it has happened to me, and i thought that i had lost the mobo yet it worked a few days later??
lets hope this gets you going.
good luck
p.s do make sure you connect the speakers to mobo, from bip bip sound you may be able to tell the kind of fault you have .

X58 Platinum does not post unless I clear CMOS

I have to hit the 'clear CMOS' button from a cold start (unplugged power cable) on the back of the motherboard in order for it to boot. It restarts just fine.
Once it is booted, everything runs fine. It is just weird that I have to clear the CMOS every time, and reset the clock. Running default settings in the BIOS, no OC. I have changed batteries and it still will not boot or remember what time it is. I have seen some other posts about this but the usual answer is memory swap or memory put into the first black slot, etc., etc. Do I really need to RMA this board or is it just a BIOS fix?
Intel i7 920
BIOS A7522IMSV3.0-20081204
OCZ OCZ3G1600LV6GK 6GB PC3-12800+
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Thank you,
Brent

What BIOS Version are you using?
Quote
I have seen some other posts about this but the usual answer is memory swap or memory put into the first black slot, etc., etc.
Have you tested any of that (e.g. try to boot with one memory module only?)
Quote
BIOS A7522IMSV3.0-20081204
Have you considered updating your BIOS to the latest Version?
Quote
OCZ OCZ3G1600LV6GK 6GB PC3-12800+
You are using factory overclocked memory modules which real specs are DDR3-1066 or DDR3-1333 and you CPU's memory controller natively only supports up to DDR3-1066 (according to Intel Specifications). What memory related settings are you working with?

Black screen Presario CQ62-219WM Clear CMOS jumper pins

About 2 years ago I bought my son the laptop for school from Walmart new. 6 months later, he brought it back to me from his Mom's and said it quit working. At that time, to check it out first, it booted to the HP screen only. Tried to get into the BIos with F2 but it was unsuccessful. Did the usual hard rested sequence with battery out,->unplug adapter-> Hold power button down 1 minute -> reboot with battery only and then with adapter plugged in. No change. Removing the RAM modules didn't make a difference. I replaced both Memory card to 2 GB X2 . Still wouldn't boot. Removed the HDD and replaced it with a known working drive from another 64 bit Wndows 7 OS and that didn't work. The original HDD is readable because it worked in the exchange. As a last resort, I built an Ubuntu live USB put that into the USB port on the presario (32 bit Ubuntu) and no success either. Can't reflash the BIOS. I decided that before I do anything more I would just take it back to Walmart as it was less than a year old and was directed to do so by HP (return it to where it was purchased). When I did, I was informed that because I was concerned of a motherboard problem, it was not covered under warranty and I was essentially stuck. I was recently unemployed so that was it. Went home, read some more and looked at the board and the capacitors visually and nothing grossly abnormal. I tried clearing the CMOS only by removing the battery and cold storing it for 24 hrs. Replaced it and still nothing. Read about the jumpers to CLRCMOS but I have looked on both sides of the board And there are no free pins, and nothing that Identifies anything to say clr CMOS or a variation of that. He wants to have his own back even though it has been a valuable learning tool. So .... Do you have a final suggestion other than go on eBay, buy a new board for $90, and quit trying to fix an unrepairable problem? He's going back to school and I still am out of work. Thank you in advance for any help you can give me.
Rick Perez, MD
Integrated Zen
Hale O'mana'o Biomedical Research
Arlington, TX

There are no clear CMOS jumpers on the board. My best suggestion is to use one of the motherboard repair services on eBay. They can identify and repair defective chips on the board using advanced equipment. If you can remove the board and ship them just that, I have seen the service for as little as $70. Obviously you can handle removing the motherboard.
http://www.ebay.com/itm/Hp-Compaq-g72-g62-cq62-Amd-Motherboard-Repair-reball-Service-/251300232694?p...
I have no affiliation with this person and there are several other similar ones on eBay. Most of the used motherboards you get on eBay have had a procedure like this done to them anyway.
If this is "the Answer" please click "Accept as Solution" to help others find it.

Clear Cmos KT4V-l

hi
i know i should use the jumper but it doesn't work
i even put out the battery still no success
any suggestions ?
pc won't boot i would like to see the message
bad cmos checkpoint press F1 of delete....
thanks !
due to a bad monitor the pc won't boot anymore
i think it did a bad voltage to the main board
now i know it because with my other main board
i got the same situation but there i could clear the
cmos with the jumpers.....
thanks for your replies ! ! !
(sorry for the bad englsih......) )

ok i'll try it tomorrow evening !
but i had the same problem with another mb and there i could solve it by clearing the bios
i ones let me tell that you can do it by sorting someting
wrong at the battery that would give me bad cmos check
but i don't know anymore how since the jumper for clearing cmos doens't work anymore
i even going to try the proposal of wonkanoby
one to success ? ? . . .i hop so almost one month and the board worked 1 day

Clear CMOS did not reset BIOS Password

OK please read my whole post before telling me to try something I already tried.
I have a somewhat unique problem.
My system:
MSI 870A-G54
AMD Phenom II x6 1055T
Windows 7
I have a system password setup through BIOS. Every time I reboot I enter the password. I have not forgotten my password.
I was having an issue getting into the BIOS, I would push Delete and on the POST screen it would say "Preparing to enter Setup" then the system password would prompt. I would enter it and then Windows would boot, no BIOS setup.
This happened over and over. I got fed up and decided to nuke the problem. I powered down, unplugged and set the clear CMOS jumper, waited about 20 seconds, reset the jumper, plugged in and powered up.
Then I pushed delete again, POST returned an error "CMOS not set, date and time wrong, press F1 for setup F2 to load defaults and boot.
I Press F1 and there is the password prompt. Only now my password doesn't work. Enter (blank) doesn't work.
So a clear CMOS again, only this time I pull the battery out too.
Same result.
So I pull out the battery and set the clear jumper and wait 1 hour.
Same result.
So I set the CMOS clear jumper and boot the system (yes I know the manual says not to do this) Obviously no post, 1 minute later I reset the jumper and reboot.
Same result.
So I download the MSI HQ BIOS tool and flashed the most recent BIOS, clear CMOS.
Same result.
My system works fine and I no longer have to enter a password to boot to Windows, but I am locked out of BIOS.
Please tell me there is a solution.
Thank You

Got it! Was doing it wrong way leaving all spaces blank but it doesn't work because it always prompts you to enter your current password; so that's Current Password > "your current password" hit enterNew Password > "leave blank" hit enterConfirm New Password> "leave blank" hit enter and it prompts you to "CONTINUE with save changes?" > hit enter and Password changes from <SET> to <CLEAR>; SAVE & Exit and it's done. Thank you!

Do i have to clear cmos after updating bios?

hi im about to update my bios to 1.9 ... do i have to clear cmos after bios update finish? and also clearing cmos is as easy as removing the battery for a while then putting it back in right?

in my opinion Clear Cmos should be always done after flashing,
to ensure that new BIOS will operate as intended
if you need see here for guide:
>>Clear CMOS Guide<<

How to Reset BIOS/Clear CMOS of an HP Pavilion 500-111ea

Hello,
I was trying to change my computers boot logo because i dont like the HP one, and now when i try to enter my bios i get beeping, can anyone tell me how to reset the BIOS/Clear CMOS, this will be much apreciated. The computer still works fine, i just cant enter the BIOS or the UEFI Firmware Settings thing. When pressing F10 at boot up the computer beeps 8 times
My computer is a HP Pavilion 500-111ea
Regards,
Kieran
<I posted this in the wrong selection a few moments ago, i hope this is the right place this time.>

Hi,
Please explain in detail what changes you made in an attempt to change the boot logo.
HP did not post a clear CMOS procedure for your model PC. Review the below image. Unplug your PC, hold down the power button for 1 minute. Now open up your PC and move the jumper blocks over to the left per the image for 30 seconds and then move the jumper blocks back. Plug the PC back in and give it go. If you still get the eight (8) beeps then you could try a ROM image recovery.
Eight (8) beeps in an invalid ROM image. Review this HP posted article for trying a BIOS recovery.
You might try this HP tools software. Download the software to a different PC and create the USB 2 bootable tools flash drive. If you can get the flash drive to boot up then look for a firmware management selection. There is not any documentation available on how to use this function so you are on your own. HP Support might be able to assist you with a BIOS recovery and/or you might be faced with sending in your PC to an authorized HP repair facility to have the BIOS reflashed.
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Z77A-GD65 Wont Boot Without Clearing CMOS. Gets Error 32.

Hi!
I just switched GPU from 2x 7950 to 980.
I cleared drivers etc etc and was powering down my pc for the replacement. took out the cards and put in the 980.
When i later was trying to boot, i got debug error 32, which is early cpu initialization. So i checked all the cables and tried again. Same thing.
Took everything out and reinserted it again. Same error. even tried the to take out each ram to see. Still nothing.
I later cleared cmos and the computer booted. but then when i restart i doesnt boot until power everything down and clear cmos again.
Do you guys have any idea?
My specs are
Z77A-GD65
2500k CPU (Now after clearing CMOS at stock speed)
Corsair Vengance 2x4GB RAM
850W Bronze psu

Quote from: Nichrome on 30-January-15, 15:01:36
Tryreplacing battery. Also could try to run it with single Ram stick and outside of the case.
I Couldn't wait so i went to town and bought me a battery, didn't change anything.
I've tried running a single RAM in each slot, just to try. no change there. Still error 32.
I've also test it outside the case now and still no difference.
Otherwise i've noticed i can boot if i press the reset button exact when debug code 55 shows. It's really weird. doing this way all bios settings are still there and i can test my pc with OC. I've played Dying Light on it this way with no problem at all. except this annoying code 32 who reappers everytime i restart my computer and hinders it to boot...
EDIT: Also sometimes (very rare), it starts at first boot.

Wont boot unless clearing cmos

JBAT1
Ok here's the story in full.
Received K8T Neo2-FIR - was completely DOA along with a working 3000 90nm.
Received working K8T Neo2-FIR, got system to post after 5 hours of work (including 1.30 hours to watch Open Range whilst angered).
Post Showed 'invalid bios checksum' etc, the board now has 3.31 bios and still it will not post, will not even boot to be precise. It won't kick in fans etc UNLESS the jbat1 is set to CLEAR CMOS. Then the system works fine other than not retaining any bios settings.
I have now installed Windows XP Pro 64bit along with the 64bit drivers, unfortunately cannot use any MSI tools. I am going to update to the latest RC1 of XP64 pro as soon as Microsoft sort out the error in the download page/server.
Anybody got any clue to solving my problem? Oh and i can't run my Kingmax 3700 in dual channel, infact i dont think i can run 2 sticks in single channel either. (2x512MB).

550Watt PSU
22A at 12v rail
3000+ Winchester
MSI K8T Neo2-FIR
2x IDE HDD on IDE1
1x DVDWRITER on IDE2
9700Pro
1GB Dual Channel 3700
The PSU is going to be my next purchase, i have witnessed 2 Tagan UO2's explode recently so am going to go with an Akasa 460W. To be honest the current PSU is crap quality but testing the rails and amperes output actually hits 530Watts, on load i doubt it can hit this but still has enough power to satisfty 3xmore drivers and 6case fans in another SocketA machine which takes a lot more power at the cpu.
The ram has been in all possible combinations provided by the book but i can only get it to run 1 stick. I cannot run the LIVE UPDATE tool as im using Windows 64Bit. I've got 1 hour 26mins left on the download for the latest beta so hopefully i can run the tools tomorrow.
I have tried booting the machine etc with all items unpluged and select ones etc but no luck, it will only work if the jumpers are set to clear cmos. Maybe a multimeter on the jbat would reveal whether any current is getting passed through pin 1. Long shot and hopeless i know. Theres probably a reasonabe explanation.
I've now had 3 different Bios errors on post, so i think its just screwed it with the first boot on jumper2-3.
Soft reboots work fine (it hasnt stopped to tell me bios errors) just 'NO BIOS INSTALLED' at the sata raid post screen.

Pavilion p6-2133w - Wont post/boot without clearing cmos first

I really need some advice guys. My dad just recemtly bought this computer from a friend (friend says it had no problems) which could be true.
I did a fresh format after downloading all drivers from HP, installed them all incuding the bios update (which i think is my problem) and now i have to clear cmos every single time before it will boot or even post, if i dont clear cmos the computer does turn on (fans have power) but the monitor stays black. When i do clear cmos the pc boots fine and the only thing i notice wrong is some files wont download thru IE (like adobe flash, says no internet connection when the adobe installer trys to download) and im getting constant sec.certificate display blocked errors thru IE other then that it runs fine.
So im assuming something went wrong installing the bios update, im praying somebody has or even knows what the original bios is supposed to be ? or someway i can fix it. I have since done another format and tried reinstalling the bios update and all other drivers but nothing changes
Any advice, opinions, or idea's would be greatly appreciated
Thanks in advance
Vito

I really need some advice guys. My dad just recemtly bought this computer from a friend (friend says it had no problems) which could be true.
I did a fresh format after downloading all drivers from HP, installed them all incuding the bios update (which i think is my problem) and now i have to clear cmos every single time before it will boot or even post, if i dont clear cmos the computer does turn on (fans have power) but the monitor stays black. When i do clear cmos the pc boots fine and the only thing i notice wrong is some files wont download thru IE (like adobe flash, says no internet connection when the adobe installer trys to download) and im getting constant sec.certificate display blocked errors thru IE other then that it runs fine.
So im assuming something went wrong installing the bios update, im praying somebody has or even knows what the original bios is supposed to be ? or someway i can fix it. I have since done another format and tried reinstalling the bios update and all other drivers but nothing changes
Any advice, opinions, or idea's would be greatly appreciated
Thanks in advance
Vito

G33M-FI Fails to POST without clearing CMOS

Hello,
I purchased a new system with a G33M-FI mainboard in December. Everything worked great on the first boot, but the first time I restarted it failed to POST. I had to clear CMOS settings using the jumper. On the next boot I updated the BIOS to 1.2, restarted multiple times and everything worked fine for a while...
Now occasionally the system again fails to POST. This does happen on both a restart or a cold boot. Each time this has happened clearing the CMOS settings with the jumper does "fix" the problem and allows the system to boot again but it is VERY annoying. The problem also appears to be getting more and more frequent as time goes on (but maybe this is just my imagination). I have been leaving all of the CMOS settings at the default values so I don't think this is caused by something I did.
Any thoughts?
Here are the system specs:
MSI G33M-FI (bios version 1.2, default settings)
Core 2 Duo E4500 2.2G (800MHz)
Patriot 2GB Kit PDC22G6400LLK (2 sticks of 1GB, 800MHz 4-4-4-12)
Antec NSK3480 micro ATX case w/ 380w power supply
WD 320GB 3200ks SATA hard drive
Samsung sh-s203b/bebn DVD+/-RW sata drive

List PSU details, look for them over PSU sticker.
Try with just one memory stick alone in a 1st DIMM slot near to CPU socket and see if problem persist.
You may need to up memory vcore a bit,(in BIOS ==> "Frequency/Voltage Control", "Memory Voltage", Setup 2.0V and re-test)
PDC22G6400LLK:
http://www.patriotmem.com/products/detailp.jsp?prodline=5&catid=2&prodgroupid=38&id=317&type=1

PSU turn off while clearing CMOS

Reading manuals again. Read the one for my Antec TrueBlue recently. Something arose my interest. The manual says a constant flow of I think it was +5V current is supplied, to enable certain wake-up events I believe. Might this be the reason why you should always unplug the power cable for the PSU before starting to clear CMOS?

Quote from: MGP on 30-April-06, 09:20:17
This is also why you should turn of the rocker switch or unplug the P/S and then push the computer case start button to remove remianing electricity in the P/S and MB before adding or removing components, especailly ram.
Yep, gotta purge the capacitors

Clear CMOS ?

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