Symptom Possible Items to Check Typical Solution Cause. Improper Running servic- Determine which pro- shutdown es or programs grams and services are prevent the


 

Improper Running servic- Determine which pro-
shutdown es or programs grams and services are
  prevent the sys- running and disable
  tem from proper them for troubleshoot-
  shutdown. ing.


Use MSConfig to disable a startup service or program until you determine which one is causing the problem.

 

Disable or update the pro-gram or service.


 

Spontaneous BSOD error has Start the system in Safe System Properties
shutdown/ taken place on mode and disable the (Advanced System Settings
restart a system set to Automatically Restart in 7/Vista), Advanced,
  restart automati- option. Settings in Startup and
  cally.   Recovery dialog, clear the
      Automatically Restart check
      box in the System Failure
      section (see Figure 9-8).
      Restart the system to see the
      STOP error or open log file.
       
RAID not RAID driver not Restart installation and Windows XP: Driver must
detected dur- installed. provide RAID driver be on floppy disk.
ing installa-   when prompted. Windows Vista/7: Driver
tion    
    can be on any removable-
     
      media drive (floppy, optical,
      USB).
       
Device fails Driver missing Open device proper- Check error code; reinstall,
to start or outdated. ties sheet in Device update, or roll back driver.
    Manager.  


 

Resource con- Open device proper-

 

flict with other ties sheet in Device

 

device. Manager.


Change device to a different expansion slot or configure onboard device to run in Auto mode with CMOS setup.

 

Use the Troubleshoot but-ton on General tab for other suggestions.


      Chapter 9: Troubleshooting 189
       
       
Symptom Possible Items to Check Typical Solution
  Cause    
       
Missing DLL DLL files may Reinstall the applica- Reinstall the application to
message be been deleted tion. same location.
  or corrupted.    


 

Entries may Use REGSVR32 to re-

 

have been register DLL files into

 

deleted from Registry.

 

Registry.


Check for Microsoft Fix-It automatic solution at http:// support.microsoft.com or other scripts to make this easier if several files must be re-registered.


 

Services fails Hardware Reconnect the hard- Start the service manually
to start required is not ware or reenable the if service doesn’t start auto-
  connected or hardware. matically after resolving the
  disabled.   problem.
       
  Other services Look for “the depen- Open the Services dialog
  needed not run- dency service or group in Computer Management
  ning. failed to start” error and verify which services
    message. the service that doesn’t start
      requires.
      Resolve those problems
      before continuing.
       
  Service needs Service might need Open the Services dialog in
  login informa- administrator login Computer Management and
  tion. to run on standard provide the credentials nec-
    account. essary for the service.
       
  Service has Service not configured Open the Services dialog
  stopped due to to restart automatically. in Computer Management
  errors.   and configure the service
      to restart automatically on
      error.
      Determine the cause of the
      error and resolve it.
       
Compatibility “This program Look for updated ver- Install program updates and
error has known sion or replacement retry.
  compatibility program. Uninstall program and
  issues” error.  
    replace with program that
     
      works with this Windows
      version.
       

190 CompTIA A+ Quick Reference

 

Table 9-9 Continued

Symptom Possible Items to Check Typical Solution
  Cause    
       
Slow system System not Adjust power manage- Configure system to use
performance running in high- ment settings. Office/Desk (XP) or High
  performance   Performance (Vista/7)
  mode.   power settings.
       
  Drive with pag- Check free space and If drive has less than 15%
  ing and temp fragmentation. free space, performance is
  files almost full   reduced.
  or badly frag-   Use Disk Cleanup to
  mented.  
    remove unwanted files, then
     
      run Defrag.


 

System over- Check the CPU fan

 

heated. and system fan perfor-

 

mance.

 

Check the ventilation.

 

Check the power-sup-

 

ply fan.


Clean system fans and vents.

 

Clean CPU fan and heat-sink.

 

Replace fans that don’t spin freely or spin too slowly.

 

Replace the power supply if the fan has failed or is run-ning too slowly.


 

Boots to Safe Default startup Continue with Safe After system boots to Safe
mode option if system mode startup. mode, restart the system
  does not shut   normally.
  down properly.   If the system can boot only
     
      in Safe mode, disable start-
      up programs and services
      with MSConfig.


 

File fails to No program Check for “This file
open associated with does not have a pro-
  file. gram associated with
    it for performing this
    action” error.


Windows XP: Use Folder Options in Control Panel to associate a program with the extension used by the file.

 

Windows Vista/7: Use Default Programs in Control Panel to associate a pro-gram with the extension used by the file.


      Chapter 9: Troubleshooting 191  
         
         
Symptom Possible Items to Check Typical Solution  
  Cause      
         
Missing Vertical refresh System has incorrect Restart system in VGA  
Graphical setting out of settings for display or mode and reset vertical  
Interface range. video card. refresh rate.  
         
Graphical Windows start- Option available Restart the system.  
Interface fails ed with com- from Advanced If necessary, start system  
to load mand prompt Startup menu or from  
in Safe mode and disable  
  only option. MSConfig.  
  Command Prompt Only set-  
       
      ting with MSConfig.  
         
Invalid boot Incorrect boot Check CMOS for If a floppy disk is left in A:  
disk drive specified correct drives in boot drive, remove it and reboot,  
  in CMOS. sequence. check other removable  
      media drives and remove  
      bootable media as well.  
         

 

 

Figure 9-7 Preparing to run System Repair from the Windows Vista Recovery Environment.


192 CompTIA A+ Quick Reference

 

Figure 9-8 The Startup and Recovery dialog in Windows 7 after disabling Automatic Restart.