CMOS Pattern test failure error message???what to do??

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The problem can be with the CMOS battery or the motherboard and lastly with the CD/DVD ROM. Initially try to resolve the problem using a new CMOS battery in this system and try your old CMOS battery in another motherboard may be in your friends computer. Once you are sure that the CMOS battery is not faulty. there is a strong reason to belive that the motherboard is faulty. In order to be sure, just remove the CD/DVD ROm attached to your machine and reboot the system.If the error message is still thrown then mother board is faulty and if error message stops once CD/DVD is removed then CD/DVD ROM (i.e, Drive in laymen term) needs to be replaced or a new one should be bought if the old one is beyond waranty period.

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