Mini 1030nr CMOS Checksum bad - Restarts and hangs

After checksum error, it restarts with HP logo again with F9 to select boot device or F10 to enter setup but neither key does anything. Tried CTL Home and rom file in USB floppy but it seems it never reads from the floppy. It does access the floppy during Post like normal but it doesn't seem to read it again to get the ROM file. Since it's not booting from USB flash drive, there is no way to run the Windows BIOS flash. Is there a way to set BIOS to default? How can I flash since there is no OS running? It just hangs with two function keys having no effect. Thanks for any suggestions.

I have an HP Mini 110 - 1040TU and has got the same checksum bad / F9/F10 key hang-up. Any run-around to get rid of these problems and make the mini work ? Thanks.

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Real Time Clock Error - Check Date and Time settings, System CMOS Checksum bad

Hello everybody,
Can help anyone to resolve my problem.
I have an Thinkpad W520 (42823FG), BIOS 8BET60WW 1.4 When I disconect AC power and remove battery and connect again, I see this message on screen:
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Press Esc to continue or F1 to enter Setup"
Is this a system board problem or CMOS battery problem ?
Thank you

Hello and welcome,
It's probably (hopefully) just the CMOS battery. The easiest way to find out is to just replace that battery.
Page 85 of the Hardware Maintenance Manual:
Hardware Maintenance Manual
Here's an example of the battery. I'm not recommending (or not) this vendor:
http://www.ebay.com/itm/New-Lenovo-ThinkPad-W500-W510-W520-W530-W700-W701-W701ds-CMOS-RTC-Backup-BAT...
Z.
The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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Cmos checksum bad when bios update

WHen i try to update the bios i always get "Cmos checksum bad" after the computer restarts. I have both tried to use the live update in windows mode, and tried to update directly in bios mode using usb-stick. I get "Cmos checksum bad".
I have also "MSIHQ USB Bootable Tool and BIOS Helper" but that dident work at all. the images dident work, not even the backup it made (piece of crap software).
What is the problem????

If the update was good you will get the 'CMOS checksum error'. You need to clear CMOS, remove PSU from AC power and then clear CMOS.
>> clear CMOS guide <<

HELP, Keep getting CMOS Checksum Bad message...

I had made a change in bios that i guess i should'nt have, i disabled internal VGA graphics or some crap, next thing i know the computer stopped sending a signal to the monitor, so then i used the reset system config method by changing some jumpers oh by the way i have a K9N2G NEO motherboard, anyway long story short i keep getting a CMOS checksum bad message, i can load windows by pressing f2 where it says load defaults, but then when i try to open anything besides windows explorer, and internet explorer, i see the hourglass for a second and then nothing else happens i dont know what to do at allll

Hello!
Please list your components. Include the PSU.
CMOS... message is quite normal if you cleared properly. However, I would like you to do it yet again. This time pull the power cable before entering the system. Use the manual for guidance, to find the correct jumper. - Yes, I know it feels like cheating to use the manual, but it can save time.
The hourglass is a different story. We might cut that story short with the clearing of CMOS.
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Hey people
I would like to know how to recharge the backup battery ( internal one, keeping clock and date etc. )
i got the
Error 0251 System CMOS checksum bad— Default configuration used.
message and after looking at the T400 manual they write what to do:
Charge the backup battery for more than 8 hours by connecting the ac adapter.
ok sounds good, but i cant figure out how to properly charge it,
do i need to put the normal battery pack out and then attach it to the AC adapter, or not?
Does the laptop need to be running or will it be charged also turned off?
i would really appreciate if u could help me out and tell me the proper way to recharge!!
thanks already,
cheers,
Andi

Hello and welcome,
I didn't know that the backup battery was rechargeable. I don't think it is. You might be better off to just replace it.
The Hardware Maintenance Manual page 80 shows how to access it. According to the System Service Parts T410, the FRU number is 02K7078. They should be easy to find and inexpensive.
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The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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ACS SE 1112 CMOS Checksum Bad

Ran recovery disc 3.3 to wipe out ACS for re-deployment into another network and all I get now is "CMOS Checksum Bad
Press F1 to Run SETUP
Press F2 to load default values and continue". Needless to say, F1, F2 have no effect. Any ideas?

First make sure you are using correct recovery CD. Like if the model is ACS1112 then we need to use 1112 recovery and NOT 1113 or 1111.
If still issue is there and that seems to be a bad appliance, you need to get it replaced.
Regards,
~JG
Do rate helpful posts

A57 9702-7UG Cmos checksum bad

Hi
someone can help me ?
after BIOS Update i'd get this message at boot
CMOS checksum bad
press F2 to resume or F1 to setup
after pressing F2
boot sequence error
Thinkcentre A57-97027UG
BIOS 51KT58AUS
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Hi all
Pushing up this topic.
We got the same issue on two A57 9704-7KG after System Update. It think a BIOS update was there as well.
We've also changed the batteries but the BIOS won't save the settings.
Is there any possibility to fix that or bring back the previous BIOS version?
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Andy

0251 error system CMOS checksum bad

A couple days ago, I turned on my laptop (Satellite A105-S4201) and it send me to a black screen with some information and the warning: 0251 system CMOS checksum bad. It now sends me to this black screen with the warning every time I turn on the computer and every time it comes back from hibernate. I have tried leaving it on for 24 hours to charge the battery but this hasn't worked. I've also installed the BIOS 6.00 and I still get the same error.
When I go to setup, the time and date and everything is all correct; I've reset defaults and keep getting this message. It doesn't ask for a password, it just gives me the 0251 error.
I've had this computer for almost 4 years and have never had any problems before. I read somewhere that it could be a problem with the CMOS battery, but I also read that they usually last for about 10 years. If I do have to replace it, where could I go and how much would it cost?
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Hi Dantheman,
Try to reseat the CMOS battery first, or better replace it with a new one. You need to go to Sony's Authorized Service Center or a local technician if you're not comfortable doing this.
Thanks,
Vincent
If my post answers your question, please mark it as "Accept as Solution"

CMOS Checksum Bad ...

Howdy chaps,
Got my K8N Diamond Plus today, first thing it said when I booted up a new rig with it was:
CMOS Checksum bad - Press F1 to setup or F2 to load default values.
I pressed F2, everything has since worked fine. But of note, whenever I reset the CMOS, it goes back to that and I need to press F2 once more.
Did anyone else have this issue? Is my battery dying? Do I need to send this bad boy back to ZipZoomFly?

Quote from: syar2003 on 26-January-06, 02:02:49
What's so hard to understand .
clear cmos erases it/all data , no valid checksum exist after this .
cmos is then loaded with bios defaults from the bios chip , but checksum is still not valid until cmos is saved .
Only way to get valid checksum again it to save cmos settings from the "cmos setup menu" .
bios and cmos is two different things . cmos resides in the nvidia chipset .
But why didn't I get the same error message on an A8N32-SLI? Do Asus just hide it, or automatically load defaults upon resetting the CMOS..?

Restarts and Hangs on Surface Pro 3

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15-minute restarts and hanging finder

Help! I've been trying all the solutions I can find in these and other boards and so far nothing has worked.
Yesterday, while I had several applications open, I right-clicked on an image file to open it with Photoshop and my whole system froze (although the audio for a YouTube video kept playing in the background, even though the picture hung.) Now my system is taking approximately 15 minutes to restart and the finder is hanging for up to 5 or 10 minutes at a time for most mouse clicks.
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Trashed com.apple.finder.plist
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The restart sequence goes like this:
Choose restart from menu
The "Are you sure" window comes up but the one minute timer is stalled and it takes several minutes to be able to click on "Restart"
All of the desktop goes away except the background image, which hangs for about two minutes.
There is a chime
The apple screen appears for approximately 2.5 minutes
A blank white screen appears for approximately 2 minutes
A blank blue screen appears for approximately 3 minutes
A blank black screen appears for approximately 2.5 minutes
Another blank blue screen appears for about 1.5 minutes
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Leah

leahrc wrote:
my Mac Mini shipped without installation discs, so it's going to be a couple days before I can get a friends in the event that I need to reformat.
The (gray) discs that come with a Mac will only boot that type of Mac, and those built around the same time:
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MSI P35 Neo-F cmos checksum "bad"

Hi
I bought the board mentioned in the title, and after putting my E5200 into it I realized that the MB didn't support it using the bios version it had in it. So, I used the AMI bios recovery thingy (http://www.msicomputer.com/support/BIOS_AMI_Recovery.asp) using floppy and after that I was able to boot it up properly.
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The problem here is that I can't use that flashing tool as I'm not able to get into Windows and use the tool. The tool won't work on my second comp as it doesn't have MSI MB in it.
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Quote
I understood that I'm forced to flash the bios again using the MSI Forum HQ USB Flashing Tool mentioned in that topic.
You have to reflash the BIOS the regular way (and you are not limited to the MSI Forum HQ USB Flashing Tool (it is only an option). The AMI BIOS Recovery Procedure is not a regular way to update your BIOS. That CMOS Checksum Message you get after start-up is a known side effect.
Quote
The problem here is that I can't use that flashing tool as I'm not able to get into Windows and use the tool. The tool won't work on my second comp as it doesn't have MSI MB in it.
Here you go:
1. Download the following tool. Then install it on your second system:
http://files.extremeoverclocking.com/file.php?f=197
2. Download the DOS-File.rar Archives that you find attached at the bottom of this post and unpack the files into a folder of your choice.
3. Start the HP USB Format Tool and select "Create DOS Startup Disk". Point the tool to the DOS-Files you just unpacked:
Your USB Flash Drive should now be bootable.
4. Download the latest BIOS Version for your board: http://download1.msi.com/files/downloads/bos_exe/7360v1A.zip ... and copy the following files to the root directory of your USB Flash Drive: Afud408.exe (Flasher) and A7360IMS.1A0 (BIOS-File).
5. Hook up the just prepared USB Flash Drive to your P35 Neo-F and force it to boot from it. Once you reach the DOS Command Prompt, type the following command to start the BIOS Flash:
Afud408 A7360IMS.1A0 /P /B /N /C
Once the procedure is over and you did not get any error messages, turn off your system, clear CMOS with main A/C power cable removed from PSU. After that, things should be back to normal if everything went fine.
Note: In order to force your P35 Neo-F to boot from the USB Flash Drive, disconnect all other drives so that the USB Flash Drive is the only bootable device connected to your system. When you get the CMOS Checksum Message after start-up, simply load defaults without entering BIOS Setup. The system should then move on to booting DOS from your Flash Drive.

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Last edited by David Batson (2013-08-04 04:00:08)

Problems with unexpected restarts and hanging.

My computer restarts itself when im am playing Battle Field 1942, could it be just that game that doesnt work. Midnight club works perfectly fine. Other application that works fine is when i'm rendiring films in Studio 8.10. also easydivx works.
It can also restart under windows xp pro when im do nothing at all.
Also when I did put the 1.8 bios my computer restarts it self all the time.
One
I have a friend who also has problems with neo2 mainbord. The computer hangs itself just after 30 seconds after start. He must restart the computer to get it to work.
Please help me
Ps. sorry for the bad english. :=)
I´m running an:
Processor: P4 PC800 2.6 GHz @ 2.6GHz
Mainbord: MSI neo2 LS
Memory: Twinmos 2x256 PC3200
Graphics: SPARKLE Geforce Titanium 4200 128MB
Harddrives: Samsung SV2044D /20 GB
Seagate ST380021 /80 GB
Maxtor 6Y160M0 (S-ATA) 160 GB
CD,DVD's: Plextor CD-R PX-W1210A
Nec DVD_RW ND-1300A
Others: one firewire card(undentifed)

Those are the amp specs on the box. It is a Enermax EG465P-VE, and it's a 460W, according to the label on the psu -- which is weird because i asked the guy at the store for a 430.
Here are my IRQs. As I mentioned, it works fine on games and what not, but occasionally it will reboot and XP will blame the video card. Could this have anything to do with the agp aperture? I have it set at 128mb, even though i have 512mb ram installed.
IRQ 0 System timer
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 5 Intel(R) 82801EB SMBus Controller - 24D3
IRQ 5 Multimedia Audio Controller
IRQ 6 Standard floppy disk controller
IRQ 8 System CMOS/real time clock
IRQ 9 Microsoft ACPI-Compliant System
IRQ 9 Ethernet Controller
IRQ 12 PS/2 Compatible Mouse
IRQ 13 Numeric data processor
IRQ 14 Primary IDE Channel
IRQ 15 Secondary IDE Channel
IRQ 16 NVIDIA GeForce4 Ti 4200
IRQ 16 Intel(R) 82801EB USB Universal Host Controller - 24D2
IRQ 16 Intel(R) 82801EB USB Universal Host Controller - 24DE
IRQ 17 Creative SB Live! Value (WDM)
IRQ 18 Intel(R) 82801EB USB Universal Host Controller - 24D7
IRQ 19 Intel(R) 82801EB USB Universal Host Controller - 24D4
IRQ 19 Realtek RTL8029(AS) PCI Ethernet Adapter OK
IRQ 23 Intel(R) 82801EB USB2 Enhanced Host Controller - 24DD
Quote
Originally posted by NovJoe
wayned16,
The PSU will work out well.
Lotsafire,
Quote
I'm still having the same restarting problem with a 430W supply. The amps on it are 35A 35A 33A.
Are you joking or what, these rails are even more powerful than a 550watts PSU!!!
Post your IRQs here.

Mini 1030nr CMOS Checksum bad - Restarts and hangs

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