Hardware & Network TroubleshootingCâu 92 / 100
A user reports the mouse and keyboard are unresponsive but the display works. What is a quick first step?
a.Replace the motherboard
b.Update the BIOS
c.Reinstall the OS
d.Check USB connections and try different ports
Giải thích
Unresponsive input devices are often loose or on a bad port, so reconnecting or trying different USB ports is the fastest first step. Major actions like OS reinstall or board replacement are premature.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CompTIA A+ Core 1 (220-1101) · Quy trình kiểm tra