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Will system boot up normally to operating system level if CMOS battery is dead?
Wiki User
∙ 16y ago
CMOS holds many of the boot parameters, such as what type and size of hard disk, the type and speed of the processor and other critical information. Many times the computer can still boot with a dead CMOS battery, but the information will not be available and will affect the process. Replace the battery then run through the setup procedure to save the values.
Wiki User
∙ 16y ago
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