This chapter gives a description, severity, and troubleshooting procedure for each commonly encountered Cisco DWDM alarm and condition
LTE TroubleshootingDeskripsi lengkap
Troubleshooting Electronic Equipment
Begin
Begin
A hard boot does not complete correctly
Does the PC boot properly? Yes Go to Flowchart 4-4 (p. 74)
No Is the screen blank? No Yes
Go to Troubleshooting the Electrical System (p. 31)
Don’t know
Yes Can you hear a single beep during boot? No
Go to Troubleshooting POST Before Video Is Active (p. 26)
Is the problem solved?
Has the OS begun to load?
Can you hear a spinning drive or fan or see lights? No
Reboot
Yes
Read the steps in the boot process Go to Troubleshooting the Boot Process (p. 37)
Yes Go to Troubleshooting the Video Active (p. 37)
No
Does any error message display while Windows 9x loads? Yes
Is problem solved? Go to Troubleshooting POST After Video Is Active (p. 28)
Go to Troubleshooting Loading Windows 9x (p. 44) Go to Troubleshooting Loading DOS (p. 52) Go to Troubleshooting Loading Windows NT (p. 54) Go to Troubleshooting Loading Windows 2000/XP (p. 55)
Yes
Boot using Safe Mode (F5) and go to Using Safe Mode to Troubleshoot Windows 9x (p. 47) Is problem solved?
No Yes Stop
Yes Stop
Windows 9x system? No
Yes
No Yes
Problem solved?
Windows NT system?
No
No Yes
No Boot using the Startup menu (F8) and go to Using the Windows 9x Startup Menu (p. 48)
DOS system?
Yes Stop
Do you have a startup disk?
Windows 2000/XP system? No
No Create a startup disk on another PC
Your OS is not covered in this book
Flowchart 4-1
No
Go to Table 4-6, Error messages while loading Windows 9x (p. 46)
Troubleshooting Troubl eshooting the boot process
Flowchart 4-2
Yes Boot from a startup disk and go to Using the Windows 9x Emergency Startup Disk (p. 51)
Troubleshooting Troubl eshooting loading Windows 9x
Begin
Begin
Reboot the computer
Can you recreate the problem?
Is problem solved? No
No
Yes Stop
Go to Table 4-9, Error messages while loading Windows 2000/XP (p. 59)
Yes Stop
Yes
No Reboot and launch the Advanced options menu (Press F8)
No
Yes
This problem is likely caused by a root problem. Back up further in the steps you took to reproduce the problem. Begin with a hard boot.
No
Go to Using Last known Good Configuration to Troubleshoot 2000/XP (p.60)
Is problem solved? No
Yes Suspect the component that was eliminated to be bad
No Have you eliminated all you can? Yes
No
Trade good for suspected bad or trade suspected bad for known good in a working system
Yes Stop
No
Go to When your System Has an Intermittent Problem (p. 76)
Troubleshoot that suspected bad component. Go to Troubleshooting Roadmap (p. 9).
Go to Using Safe Mode to Troubleshoot 2000/XP (p.61)
Is problem solved? Yes Stop
Is the problem solved?
No
Did you recently install software or device drivers?
Is problem solved?
Eliminate the unnecessary
Is the problem intermittent?
Does an error message appear AFTER you see the Windows 2000/XP logo screen? Yes
Yes
Go to Using a Boot Disk to Troubleshoot Windows 2000/XP (p.62)
Is problem solved in the bad system or does it appear in the good system?
Is problem solved? No
Yes
Yes Stop
Go to Using the Recovery Console to Troubleshoot Windows 2000/XP (p.64)
Troubleshoot the bad component. Go to the Troubleshooting Roadmap (p. 9)
Is problem solved? Yes Stop
No Go to Performing a Reinstallation of Windows 2000/XP (p.68)
Is problem solved? No
Yes Stop
Reformat the hard drive and install Windows 2000/XP
Flowchart 4-3
No
Suspected bad is identified
Troubleshooting Troubl eshooting loading Windows 2000/XP
Flowchart 4-4
Steps to solving a PC problem after a successful boot