Hardware & Network Troubleshooting第 78 / 100 题
A computer's clock and BIOS settings reset on each boot. What component should be replaced?
a.Hard drive
b.CMOS battery
c.Power supply
d.Sound card
解析
Losing time and BIOS settings each boot indicates a dead CMOS battery that can no longer retain configuration. The other components would produce different symptoms.
免费刷完整 100 道题库 — 无需注册。
同考点相关题目
- A desktop shows no power at all — no lights, no fans. What should be checked first?
- A PC powers on and fans spin, but there is no video and no beep. What is a reasonable early check?
- A user cannot reach any website, but other devices on the same network can. What should be checked first on that PC?
- A laptop displays 'No bootable device' after working fine yesterday. What is a good first step?
- A printer prints faint, streaky output on a laser printer. Which component is the most likely cause?
- A system randomly reboots under heavy load. Which cause should be investigated?