Chapter 8 Software Troubleshooting Flashcards
Windows System Performance Solutions
Problem:
System not configured
Set the Power setting to High Performance using the Power options icon in the notification area or the Power options in Control Panel.
Windows System Performance Solutions
Problem:
Drive containing paging file and temporary files is nearly full or badly fragmented
Use Disk Cleanup in the drive properties to remove unwanted files, check the drive for errors, and defragment the drive
If you have more available space on a different drive, use the Advanced tab in the system properties to change the location of the paging file and temp files
Windows System Performance Solutions
Problem:
System is overheating and CPU is running at reduced speed
Remove dust and dirt on the CPU and the system fans.
Check for adequate airflow through the system.
Change back to Balanced power setting.
Windows System Performance Solutions
Problem:
Running low on memory
Add RAM. This fixed many performance problems
Exceed the minimum recommended for the version of Windows in use for better performance
Windows System Performance Solutions
Problem:
Sudden performance drop
Check for viruses and malware, this is especially important if performance has suddenly plunged
Windows System Performance Solutions
Problem:
Registry errors messages
The program CCleaner is widely used for this task
Windows System Performance Solutions
Problem:
General and undiagnosed performance issues
Use the performance troubleshooters in your version of Windows
Linux: Three Steps to Better Performance
Performance Optimization:
Remove unneeded startup programs
With recent versions of Ubuntu, use the Startup Application manager
With Fedora or other distributions, install GNOME-TWEAK and use its Startup Application manager
Linux: Three Steps to Better Performance
Performance Optimization:
Install more RAM
Exceed the minimums recommended for the version of Linux in use for better performance
Linux: Three Steps to Better Performance
Performance Optimization:
Disable unneeded system services
System services are typically located in the /etc/init.d directory (folder). Depending on your distribution, you might have a control center that can be used to disable system services, or you might need to use the Nautilus file manager, right-click a service, go to Properties > Permissions, and deselect Execute: Allow Executing File as Program. To determine what a particular service does, look it up in the man pages for your distribution
macOS: Three Steps to Better Performance
Performance Optimization:
Try the additional strategies at right to improve system responsiveness
If your MacBook uses a hard disk, replace it with an SSD
Add more RAM
Use Disk Utility to remove apps you no longer need
Use System Preferences to disable unneeded startup apps
Be sure to install macOS updates as they become available
Remove unwanted Dashboard programs
(widgets)
What symbol next to the network icon in the Windows 7 taskbar indicates that the network has limited connectivity also called local connectivity?
yellow ! symbol
What symbol next to the network icon in the Windows 10 taskbar indicates that the network has limited connectivity also called local connectivity?
red X icon
Take these measures for Windows 7 if you have limited connectivity:
open the Network and Sharing Center and click the red X in the Internet connection dialog
Windows launches an Internet troubleshooter
Follow the troubleshooter’s recommendations
Take these measures for Windows 8/8.1 if you have limited connectivity:
use Search to locate and start the Internet troubleshooter
Follow the troubleshooter’s recommendations
Take these measures for Windows 10 if you have limited connectivity:
Click the network icon in the taskbar to open the Network Status windows
If you are not connected, a Troubleshoot button will appear
For connection problems with any OS take these measures:
Turn off the broadband modem or access device, wait about a minute, and then turn it back on
Then turn off the router, wait about a minute, and turn it on again
If the problem was with the broadband modem/access device, this should solve the problem
If this does not solve the problem, contact the ISP as the problem might be on its network
If only one device is affected in regard to a wireless network connectivity:
disconnect from a wireless network and reconnect to it
If only one device is affected in regard to a wired network connectivity:
restart the computer
Boot failures (or failure to boot) can be caused by:
incorrect boot configuration in the BIOS
corrupt or missing boot files
missing driver files
Windows uses the bootmgr and BCD files during the startup process. If these files are corrupted or missing, you see the corresponding error messages:
BOOTMGR is missing
The Windows Boot Configuration Data file is missing required information
Windows Boot Error Message:
BOOTMGR is missing message means:
the bootmgr is missing or corrupt
This black screen will probably also say Press Ctrl+Alt+Del to Restart; however, doing so probably will not fix the issue
Windows Boot Error Message:
The Windows Boot Configuration Data file is missing message means:
that either the Windows Boot Manager (Bootmgr) entry is not present in the Boot Configuration Data (BCD) store or that the Boot\BCD file on the active partition is damaged or missing
There are two ways to repair a missing bootmgr file:
Boot to the System Recovery options and select the Startup Repair option. This should automatically repair the system and require you to reboot
Boot to the System Recovery options and select the Command Prompt option. Type the bootrec /fixboot command