DELL U3525 ユーザーズマニュアル

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Quick Reference Guide
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.dell.com | support.dell.com
Using Last Known Good Configuration
1
Restart your computer and press <F8> when the message Please select the 
operating system to start 
appears.
2
Highlight Last Known Good Setting, press <Enter>, press <l>, and then select 
your operating system when prompted.
Other Options to Help Resolve Additional Device or Software Conflicts
 
NOTICE: 
The following processes erase all of the information on your hard drive.
Reinstall your operating system using the operating system installation guide and operating 
system CD.
During the operating system reinstallation, you can select to delete the existing partitions 
and reformat your hard drive.
Reinstall all drivers, beginning with the chipset, using the 
Drivers and Utilities CD.
Dell Diagnostics
 
CAUTION: 
Before you begin any of the procedures in this section, follow the safety instructions 
located in the Product Information Guide.
When to Use the Dell Diagnostics
If you experience a problem with your computer, perform the checks in "Solving Problems" 
on page 25 and run the Dell Diagnostics befor
e you contact Dell for technical assistance.
It is recommended that you print these procedures before you begin.
 
NOTICE: 
The Dell Diagnostics works only on Dell™ computers. Using this program with other computers 
can cause incorrect computer responses or result in error messages.
The Dell Diagnostics allow you to:
Perform quick checks or extensive tests on one or all devices
Choose how many times a test is run
Display or print test results or save them in a file
Suspend testing if an error is detected or terminate testing if a certain number of errors occur
Access online Help screens that describe the tests and how to run them
Read status messages that tell you whether tests completed successfully
Receive error messages if problems are detected