A.Upgrade the processor.B.Add additional physical memor……

单项选择题You have a computer that runs Windows XP Professional. You download new video card driver from the Internet, and then install the driver. You restart the computer. You discover that the newly loaded video driver is named VgaSave.  You need to restore the previous version of the video card driver.What should you do?（）

A.From the Device Manger, scan for hardware changes. 
B.From the Device Manager, access the video card properties, and then select Roll Back. 
C.From the Device Manager, access the VgaSave properties, and then run the Hardware Troubleshooter. 
D.Restart the computer. From the Advanced Startup Options menu, select Last Known Good Configuration. 

单项选择题Youconnectanexternalmonitortoaportablecomputer.Youneedtoincreasetheavailabledesktopareatoincludetheexternalmonitor.Whatshouldyoudo?（）

A.From the Display properties, extend the display. 
B.From the Display properties, modify the resolution settings.
C.Restart the computer in VGA Mode. Run dxdiag.exe. 
D.Restart the computer in VGA Mode. Install the most up-to-date driver for the video graphics adapter.

单项选择题You have a computer that runs Windows XP Professional. You replace the video graphics adapter in the computer and restart the computer. You discover that the hardware acceleration features of the video graphics card fail to function. You verify that the new video graphics adapter is certified for Windows XP Professional. You need to ensure that the hardware acceleration features of the video card function. What should you do?（）

A.At the command prompt, run sigverif.exe. 
B.Install the most up-to-date driver for the video graphics adapter. 
C.Restart the computer in Safe Mode. Copy a new version of the vga.dll file to the computer.
D.Restart the computer in VGA Mode. Copy a new version of the vga.dll file to the computer. 

单项选择题You have a computer that runs Windows XP Professional. The computer has multiple FAT32- formatted partitions. You install a new disk drive. You create a new FAT32-formatted partition in the new disk drive. You need to mount the new partition as a folder in drive C. What should you do?（）

A.Convert the C partition to NTFS. From Disk Management, modify the drive path of the new partition.
B.Convert the new partition to NTFS. From Disk Management, modify the drive path of the C partition.
C.Upgrade all disks to dynamic disks. From Diskpart, set the new partition as Active. Add an entry to the boot.ini file. 
D.Upgrade all disks to dynamic disks. From Diskpart, clear all configuration information for the new disk. Add an entry to the boot.ini file. 

单项选择题You have a USB drive. You connect the drive to a computer that runs Windows XP Professional Service Pack 2 (SP2). You discover that after 15 minutes, the USB drive fails to appear in My Computer. You need to ensure that the USB drive appears in My Computer. What should you do?（）

A.At the command prompt, run defrag.exe -f.
B.At the command prompt, run chkdsk.exe /f. 
C.From Disk Management, assign a drive letter to the USB drive. 
D.Delete the usbui.dll file from the computer, and then restart the computer.