單項(xiàng)選擇題

A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）

A. Replace the motherboard.
B. Check all connections.
C. Replace the USB controller.
D. Check the PS/2 connector.

你可能感興趣的試題

A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）

A. Use a jumper from the motherboard where the new drive is going to be installed.
B. Use a jumper from a hard drive that is no longer functioning.
C. Contact the manufacturer of the new hard drive and have a replacement jumper shipped immediately.
D. The new hard drive must be replaced

單項(xiàng)選擇題

A PC is powered on and begins POST. The PC takes a long time when scanning for drives. The BIOS reports no hard drive can be found but the CD-ROM is identified. The technician knows that there are two hard drives on the primary EIDE controller and a CD-ROM on the secondary EIDE controller.
Which of the following is the MOST likely cause of the problem?（）

A. Both hard drives have the master jumper in place.
B. One hard drive is set as master and the other slave.
C. The hard drive data cable is reversed.
D. Both hard drives have the cable select jumper in place.

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A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）

你可能感興趣的試題

A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线