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Can CMOS be replaced if it goes bad and how do you replace it?

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Answered 2006-07-08 23:57:34

If you are referring to a CMOS battery then it is very simple to install and cheap to replace. You can simply open your case and look for a very small, round silver item that looks like a watch battery only a little bigger. Remove it carefully and take it to your local Wal-mart and find a replacement that matches. To reinstall just pop it into place, and close the case.

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Chances are that the CMOS Battery on the motherboard is dead and needs to be replaced. Without this battery, the computer can not remember the CMOS settings when the power is turned off.


There is no maintenance schedule on this part. You replace it if and when it goes bad.There is no maintenance schedule on this part. You replace it if and when it goes bad.



I would have to say that there is something bad in the circuitry of your motherboard. I would contact the manufacturer to see if you can get your mobo replaced because a CMOS battery should not do this.


at about 60.000ml. the goes bad and need to ba replaced if it broke's its more time and work at about 60.000ml. the goes bad and need to ba replaced if it broke's its more time and work at about 60.000ml. the goes bad and need to ba replaced if it broke's its more time and work at about 60.000ml. the goes bad and need to ba replaced if it broke's its more time and work at about 60.000ml. the goes bad and need to ba replaced if it broke's its more time and work


Usally When It Goes bam Or when it has a bad virus.


Dead CMOS battery, a virus or a motherboard going bad.


iac is bad need to be replace


At least replaced in pairs, fronts or rears would be recommended.


You'll loose your BIOS settings and the computer won't be able to recognize some of the settings. If the battery goes dead, replace the battery, enter the BIOS settings and load the default, then do whatever is necessary under YOUR BIOS to recognize your hardware, then save the settings.


It just goes bad. I had to have mine replaced by dealer.


In my case, it goes bad and costs about $335 to have my Honda delear replace it !!!!



Once the battery is replaced turn on the computer and resetting the CMOS values to the defaults. After the values have all been entered make sure to save the settings before exiting. Many CMOS setups allow you to press a key (such as F10) to save values and exit all in one action. If after following all the above steps you continue to experience the same error when your computer starts or your computer is still unable to keep the stored values it's likely that you're experiencing a more serious issues. Most likely causes are bad power supply or bad motherboard.


Your master cylinder seals are bad, and the unit needs either to be rebuilt or replaced. Replaced is better.


You likely mean that it is going directly to the CMOS Setup. Every computer with a BIOS boots using the BIOS, but if the BIOS detects problems with the CMOS data, it goes to the CMOS setup so the user can fix it. What the BIOS does is verify to see if the calculated checksum of the stored data matches the recorded checksum. If they don't match, the CMOS settings are dumped and changed to the defaults, and the user is either prompted or taken to the CMOS settings.While the CMOS can be scrambled at random or due to misbehaving software, the main cause would likely be a bad CMOS battery. It could also mean the CMOS chip is failing (since some contain an integrated battery) or that there are other hardware errors -- such as a stuck keyboard or a bad hard drive. It generally should tell you why you are being sent there. In a rare situation, someone may have the CMOS jumper in the wrong place, perhaps because they bought a motherboard themselves and received it that way.



If you do not change a bad wheel bearing the bearing will cut a groov in the axle.If it goes on long enough the axle will have to be replaced.It could also ruin the axle housing.Then you would have to replace the rearend.


many components can b replaced seperately,so if one goes bad it can be replaced,i would advise you to consult with a trained specialist to see exactly what the problem is. If it's gonna cost over 30% of the original cost replace it.Most components will not need to be replaced as long as they are compatible with make and model


It will not turn the engine over or it will not hold a charge. Either way it must be replaced.


If your timing belt "goes out" that means that it is broken and your engine will not run at all until you have it replaced. If you think it is going bad take the car in to have it checked. a lot of places will do this for free. much better to replace it before it breaks that after.


i have an 87 topaz where the alternator goes bad also. have replaced it twice. it is just a common problem in the topaz's


If the main relay goes bad the fuel pump will not function. This has caused many a person to replace the fuel pump only to find out later that the culprit was the Main Relay and not the fuel pump at all. If you suspect the main relay is bad just replace it to be sure.


Replace the one that is bad if you can figure that out. Sometimes it is hard to determine so if you can afford both do it. If one is bad the next one is not far behind.



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