Question about Tekram S381 M Motherboard

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My computer is resetting cmos for no reason everytime and tells me that defaults have been loaded all the time, so every time i turn it on it gets me the same

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Change the main board battery.it looks like a ordinary clock battery,but little bit big sized.us enew one.it may solve ur prob.

Posted on Nov 14, 2010

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RESETTING BIOS FOR HP DV2100


This is normally hitting the Delete key at starting up during BIOS posting. There should be an exit menu where you can load BIOS DEFAULTS. If you can't find it the other way to clear CMOS is to remove the battery. Read the Maintenance and service guide.

Prepare the computer for disassembly (refer to Section 5.3, "Preparing the Computer for Disassembly," for more information).2. Remove the real-time clock (RTC) battery (refer toSection 5.5, "RTC Battery," for more information).3. Wait approximately 5 minutes.4. Replace the RTC battery and reassemble the computer.5. Connect AC power to the computer. Do not reinsert any batteries at this time.6. Turn on the computer

Clearing CMOS will set the BIOS to its DEFAULT setting.

The only "resetting" of a BIOS is setting DEFAULTS.

Mar 26, 2013 | HP 417035-001 - HP Pavilion dv2000 Series...

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Dell Inspiron 530. At start up gives CMOS checksum error defaults loaded. Options press F1, F2 or F12 computer does not react. Has new CMOS battery. RAM OK. Did CMOS clear and password reset. What else can...


When a Power Supply is plugged into power, there is a constant 5 Volts present. The 5 Volt Standby Power.

You press the Power On button.
This in turn presses against the Power On switch, located inside it's plastic assembly.

The Power On switch is a Momentary Contact Switch.
Temporary closing it activates the Soft Power On circuit.
A 5 Volt circuit that utilizes the 5 Volt Standby Power.

The Soft Power On circuit 'excites' the Power Supply, and turns it on.
(Sounds like a seedy novel)

The first chipset (Integrated Circuit) to receive power is the BIOS chipset.
The Basic Input/Output System program is initialized.

BIOS looks to see what devices are connected, does a Ram Memory count, turns the Processor on, and hands the computer over to the Operating System.

A checksum is computed as an error-detecting code, to protect the BIOS settings stored in CMOS.
Each time the computer is turned on, this number is re-computed; and checked against stored values.

If they do not match an error message is generated, to tell you the CMOS memory contents may have been corrupted; and therefore some settings may be wrong.
Your BIOS assumed the settings were incorrect, and loaded BIOS default settings; stored in BIOS.

(Default = factory settings)

CMOS Checksum Error Defaults - Loaded

New battery? Nope didn't help.
Clear CMOS, and password reset? Nope didn't help.

Leaves Virus as the problem, or hardware component/s on motherboard; are bad.

My thoughts?
Bad motherboard.

("BAD motherboard. NO,...........you know you have been bad,....don't give me that look. You're a bad motherboard."

Lol!)

That's my diagnosis.


(Unless you put the CMOS battery in upside down.
+ goes UP)

Regards,
joecoolvette

Mar 17, 2013 | Dell Computers & Internet

1 Answer

Need to reset cmos


Restart your Sony Vaio computer. Press the "F2" key to enter the BIOS. Use the arrow keys to highlight the "Load BIOS Defaults" menu option. Select it by pressing "Enter." Highlight "Load BIOS Defaults" again and hit "Enter." This will reset all of the settings of your Vaio's BIOS back to their original factory defaults. You can now select "Save Changes and Exit" to exit the BIOS.
or

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Power down the system and disconnect the power cord. Wear an anti-static wrist strap to avoid electrostatic discharge damage to the Asus motherboard or CMOS chip or other sensitive components. Remove the cover and locate the CMOS coin cell battery and remove it from the system by gently pushing on the retaining clip and popping the battery out although on some motherboards cmos batteries are soldered in Discharge the CMOS chip by leaving the battery out of the system for up to an hour, depending upon the particular chip and motherboard combination. Replace the battery and replace the cover on the system. Connect the power cord and boot the computer. Save changes if prompted by the BIOS for system memory, drives detected, and other settings, and set the date and time if prompted at this time, or alternately set the date and time when the operating system finishes loading.
If your computer does not have a CMOS battery or you're unable to find it you'll need to do a hard reset on the CMOS using a jumper or dip switch on the motherboard. Information on finding these can be found through your computer or motherboard documentation. or you might set failsafe or optimised defaults Restart your computer During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key this will vary depending on your computer and operating system Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart hope this helps

Dec 30, 2012 | Sony VAIO RB30C (VGCRB30) PC Desktop

1 Answer

Cmos incorect perriferique non specifier


google translated

incorrect CMOS device not specify

CMOS device(electronics)

A device formed by the combination of a PMOS

(p-type-channel metal oxide semiconductor device) with an NMOS (n-type-channel metal oxide semiconductor device). Derived from complementary metal oxide semiconductor device.

The CMSOS is only a battery to store you're bios/mainboard settings.
CMOS is an on-board semiconductor chip powered by a CMOS battery inside computers that stores information such as the system time and date and the system hardware settings for your computer..

The moment that you unplug the power and remove the battery for at least 10seconds, the mainboard will reset it self into the 'default-state'.

This can also be done by selecting 'reset to default settings' in bios screen.

Restart your computer
During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key
this will vary depending on your computer and operating system

Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart

hope this helps

Oct 10, 2012 | Computers & Internet

1 Answer

Cmos


The CMSOS is only a battery to store you're bios/mainboard settings.
CMOS is an on-board semiconductor chip powered by a CMOS battery inside computers that stores information such as the system time and date and the system hardware settings for your computer..

The moment that you unplug the power and remove the battery for at least 10seconds, the mainboard will reset it self into the 'default-state'.

This can also be done by selecting 'reset to default settings' in bios screen.

Restart your computer
During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key
this will vary depending on your computer and operating system

Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart

hope this helps

Jul 18, 2012 | Computers & Internet

1 Answer

Foxconn n1996 chip needs replacing as had power cut as updating bios


Reboot the computer.
If error still occurs after rebooting the computer enter CMOS setup and check all values, this includes verifying the time and date are correct.

During the boot process you will see on the screen a certain key to press to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
You will also need to set the time and date

In the main or system setup screen you should be able to see the date and time Using your arrow keys navigate to the date and change the date. Once highlighted on the month, day, or year, press your arrow keys or your page up / page down keys to change the date.

Once everything has been verified and changed make sure you save and exit CMOS setup.

If everything appears to be correct and the issue persists try resetting the CMOS values to the defaults or Reset Configuration Data.


If this issue continues to occur after you turn off your computer off it is possible that the CMOS battery may be failing or already bad. Before considering replacing the CMOS battery try leaving your computer on for several days.

If a BIOS update has been run on the computer the values stored in CMOS may have been reset. Enter CMOS setup re-enter all values and then save and exit CMOS setup.


If you're unable to enter the CMOS setup or after running a BIOS update your computer no longer keeps its values the incorrect BIOS update may have been installed for your computer or the version downloaded may be corrupt. We suggest trying to update the BIOS again or reverting back to an earlier version.

Hope it helps


Nov 09, 2011 | Dell Studio Xps 9100 Desktop Computer

2 Answers

BIOS is not updating, each time system boots it begins "press F2 to load default values". I have also replaced cmos battery with a new one.. Please help how to fix this.


This usually occurs due to bad cmos battery but since you have changed the battery you should check that the bios reset jumpers are in the right position not in the reset position. If they are in the reset position then they reset the bios every time you start your computer.

Hope that helps.

Oct 25, 2009 | ASUS P5RD1-VM Motherboard

1 Answer

Penryn1600sli CMOS check bad error


That sounds like a classic case of a dying cmos battery.

Dec 18, 2008 | ASUS Terminator A7SC (TERMINATOR...

1 Answer

Problem with my BIOS CMOS Setting


Its due to your default CMOS setup does not match with your CPU configuration especially with CPU speed.
  1. To fixed the above problem goto BIOS and navigate settings of CPU, speed etc. Set the speed with the proper value as per manual. And save the settings.
  2. Infuture when you will load default, at that time also set the CPU settings.
  • The CMOS battery might not be connected properly or may be its not producing enough power as per needed by board. So have a look with another battery. Also clean the connection point of the CMOS battery.

Good Luck
Iqbal

Apr 22, 2008 | Biostar P4M80-M4 Motherboard

2 Answers

Loses CMOS settings


there is a jumper near the board cmos battery. try to clear cmos by changing the jumper to the other position for some seconds (while power is off) so smos is clear.
turn the pc on hit delete to enter setup and load system defaults then exit saving configuration.

Nov 11, 2007 | ASUS P4S800D-X Motherboard

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