Chp 22 Troubleshooting Desktop and Mobile OS Flashcards
Proprietary Crash Screens
Windows STOP error and the OS X pin wheel are examples.
Can be caused by OS, application, or hardware errors
Causes of BSOD
Blue Screen of Death Incompatible or defective hardware registry problem Viruses other
Pin Wheel
Spinning wait cursor
Usually appears when an app or the OS becomes unresponsive
Pin wheel of death
Reasons for pin wheel of death
lack of system RAM
Less than 10 percent of free space on OS X system drive
Damaged application
Failure to boot
Incorrect boot configuration in the BIOS
corrupt or missing boot files or driver files
Windows boot errors
Usually bootmgr is missing
Fixing bootmgr.exe
Step 1. boot to the system recovery option and select startup repair.
Step 2. If step 1 doesn’t work
in the system recovery select command prompt
type “bootrec”/”rebuildbcd”
Step 2b. Remove the BCD store then re-create it
How to remove the BCD store and re-create it in CMD
bcdedit /export C:\BCD_Backup
ren C: \boot\bcd\ bcd.old
Bootrec /rebuildbcd
Can’t boot Linux
Hold shift to get recovery options
Kernel Panic
Linux and OS X
When the OS shuts down after a fatal error
Slow system performance
Hard drive near capacity
Troubleshoot
The system not configured for max performance
Set power setting to high performance.