单选题A technician plugs a USB device into the front panel of a desktop computer and nothing happens.The technician knows that plug-n-play is enabled. Which of the following BEST describes a possible cause to this issue?()AThe technician plugged a USB 2.0 device into a USB 1.1 port.BThe technician needs to reboot the computer for the device to work.CThe technician plugged a USB 1.1 device into a USB 2.0 port.DThe front panel connectors are not plugged into the motherboard.

单选题
A technician plugs a USB device into the front panel of a desktop computer and nothing happens.The technician knows that plug-n-play is enabled. Which of the following BEST describes a possible cause to this issue?()
A

The technician plugged a USB 2.0 device into a USB 1.1 port.

B

The technician needs to reboot the computer for the device to work.

C

The technician plugged a USB 1.1 device into a USB 2.0 port.

D

The front panel connectors are not plugged into the motherboard.


参考解析

解析: 暂无解析

相关考题:

单选题A program configuration file on a shared computer changes each time the program is run, causing the program to fail. Which of the following steps could a technician take to help prevent this file from being changed?()ASet the group’s folder permissions to deny.BUse Event Viewer to monitor changes to the file.CStore a backup copy of the file on a USB drive.DChange the file attribute to read only.

单选题An alternative to plain old telephone service (POTS) would be:()AX.25.BAsynchronous transfer mode (ATM).CVoIP.DPublic Switched Telephone Network (PSTN).

单选题Which of the following ping commands would a technician use to ping continuously?()APING -lBPING -RCPING -tDPING -a

单选题After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?()AMotherboardBVideo cardCCutoff switchDAC adapter

单选题An executive’s laptop screen has been damaged and will not power on. Which of the following is the FASTEST way to get the executive back online?()APull the hard drive and install it in a spare laptop of the same make and model.BReplace the motherboard on the laptop.CBuild the executive a temporary laptop and attempt to repair the damaged one.DReplace the backlight on the laptop.

单选题Which of the following locations would hold 32-bit application files in Windows Vista 64-bit?()AC:/Program Files/BC:/Program Files (x86)/CC:/Program Files 32/DC:/Program files 32-bit/

单选题Mike, a technician, is working on a computer and the air is dry. Which of the following choices is the BEST option for Mike to use?()AUse a portable anti-static pad and wrist strap, ensuring all components remain on the mat, and the wrist strap is connected to the mat.BLeave the computer plugged in and running, to stabilize the power, and keep one hand on the case at all times while working on the unit.CUse a wrist strap, connecting it to the computer case. Leave the computer plugged into the outlet for grounding.DAdvise the customer it is best if the computer is taken back to the shop for repair, so it will be in a controlled temperature environment.

单选题A user states that the laser printer is leaving a black line on all pages being printed. Which of thefollowing is the MOST likely cause and solution for this issue?()AFaulty driver; reinstall or update driverBBad fuser; place service call to printer manufacturer.CExcess toner on drum; perform maintenance (e.g. clean drum surface).DDeteriorating rollers and worn brushes; replace rollers and brushes.