If you hear a squealing noise when you are testing the startup process, which of the following is likely to be the issue? Choose all that apply

A.
There are misconfigured video cards.

B.
An internal component of a modem could be failing.

C.
The disk drives are losing track of their logical geometries.

D.
The disk drives bearings are starting to wear.

Explanation:
A squealing noise could be caused by misconfigured video cards or by an internal component of a modem failing.
Incorrect Answers:
C: You have an issue with reads/write heads striking the sides of their enclosure if you hear clicking or clunking noises. This usually occurs when disk drives start losing track of their logical geometries.
D: When the disk drives bearings are starting to wear, you would usually hear a whining noise.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 490-493.