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to start | or outdated.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.