A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do

题目

A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）

A. Plug in an external monitor to test the video card.

B. Run a check disk scan to verify there is no corruption.

C. Check if the laptop is now on battery power.

D. Have the LCD screen replaced with a known good screen.

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更多“A user reports that they walked away from their laptop for 30 minutes and when they came b ”相关问题

  • 第1题：

    What is the default session timeout for UDP sessions?()

    A. 30 seconds

    B. 1 minute

    C. 5 minutes

    D. 30 minutes


    参考答案：B

  • 第2题：

    检索“投中3分球”小于等于5个的运动员中“得分”最高的运动员的“得分”，正确的SQL语句是（ ）。

    A)SELECT MAX(得分)FROM运动员WHERE投中3分球<=5

    B)SELECT MAX(得分)FROM运动员WHEN投中3分球<=5

    C)SELECT得分MAX(得分)FROM运动员WHERE投中3分球<=5

    D)SELECT得分MAX(得分)FROM运动员WHEN投中3分球<=5


    正确答案：A
    求最大值的函数是MAX，使用计算函数后，会改变原来的用于计算的字段名，如果要指定新的字段名，可以在该计算函数后通过AS短语指定新的字段名，也可以省略AS短语直接输入新字段名做为输出显示的字段名称。本题选项C)和D)中，使用计算函数的表达方式错误；而选项B)中，条件短语的关键字出错，应该是WHERE，而不是WHEN。

  • 第3题：

    A large crowd assembled outside the American embassy.

    A:watched
    B:gathered
    C:shouted
    D:walked

    答案：B
    解析：
    本句意思：一大群人在美国大使馆门前集聚。单词gather意思为“集聚，收集”，和assem-ble（集聚，集合，装配）意思接近。单词watch意思为“观看”;shout意思为“叫喊”;walk意思为 “走路，步行”。

  • 第4题：

    你有两台计算机分别命名为Laptop1和Computer2.在Laptop1上运行着Windows Vista,Computer2上运行着Windows 7。你想从Laptop1上迁移所有所有用户文件和配置到Computer2上。哪个命令可以用来判断需要多少空间来完成迁移?()

    A.运行Windows轻松迁移并在Laptop1上运行测试

    B.在Computer2上运行dsmigrate\\Laptop1\store/nocompress/p

    C.在Computer2上运行loadstate\\Laptop1\store/nocompress

    D.在Laptop1上运行scanstatec：\store/nocompress/p


    参考答案：D

  • 第5题：

    A large crowd assembled outside the American embassy.

    A: gathered
    B: watched
    C: shouted
    D: walked

    答案：A
    解析：
    题干意为“美国使馆前面聚集了一大群人。” 句中划线词意为“集合”。A项gathered意为“（使）聚集，集合”；例句：Clouds gather be-fore a thunderstorm．在风暴来临之前云层聚集。B项意为“注视，注意”；C项意为“呼，喊，叫”;D项意为“走，步行，散步”；故选A。

  • 第6题：

    A large crowd assembled outside the American embassy.

    A:watched
    B:shouted
    C:gathered
    D:walked

    答案：C
    解析：
    题干意为“美国使馆前面聚集了一大群人。” 句中划线词意为“集合”。C项gathered意为“（使）聚集，集合”；例句：These little animals gather nuts from the ground in the autumn．秋天，这些小动物把地上的 坚果收集起来。A项意为“注视，注意”。B项意为“呼，喊，叫”。D中意为“走，步行，散步”。故选C。

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