单选题A user states they receive a message Boot device not found half of the time they boot their system.Which of the following is the MOST likely cause? （）AA dead CMOS batteryBThe OS is not installed on the hard driveCA faulty RAMDA faulty HDD connection
单选题
A user states they receive a message Boot device not found half of the time they boot their system.Which of the following is the MOST likely cause? （）
A
A dead CMOS battery
B
The OS is not installed on the hard drive
C
A faulty RAM
D
A faulty HDD connection
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