Lesson 5 - Chapter 3: Making System Changes Flashcards
What is the Registry?
a huge database that stores everything about the PC
The Registry is made up of a collection of files called…?
hives
What are 3 warnings when working with editing the Registry?
- it can
- changes
- there’s
- It can cause Windows not to boot
- Changes are immediately implemented
- There’s no “Undo” and no “Save”
How do you open the Registry editor?
Typing ‘regedit’ in the Start menu search bar
What are root keys?
Main subgroups
(a top-level folder tree located in the Registry editor)
What are subkeys?
the level below the root key in the hierarchical tree
Subkeys can have values. What are values?
they show more aspects of the subkey (subkey has multiple files inside = values)
You should always make a ____ of the ____ before you change anything
You should always make a backup of the Registry before you change anything
What 2 options do you have when backing up the Registry?
- Backup full Registry
- Backup a single root key or subkey (with all subkeys and values underneath)
How do you backup the full Registry? 3 steps
- Highlight “Computer”
- File > Export
- Save the file with the extension .reg
How do you backup only one key or subkey?What file extension do you save it as? 3 steps
- Highlight root key or subkey
- File > Export
- Save the file with the extension .reg
What do you do after making changes to the Registry?
Reboot
If you encounter problems after a Registry edit, how do you import a saved Registry backup? 3 steps
- File > Import
- Right-click the .reg file in File Explorer
- Merge
All keys have a ____ value
All keys have a (Default) value (inside)
What are the 3 common Registry value types?
- String values (REG_SZ or REG_EXPAND_SZ)
- Decimal/Hexadecimal values (REG_DWORD)
- Binary values (REG_BINARY)
What type of data do string values store?
REG_SZ and REG_EXPAND_SZ
most flexible and common, any combo of text and digits
What type of data do decimal/hexadecimal values store?
REG_DWORD
you choose decimal (base 10) or hexadecimal (base 16)
What type of data do binary values store?
REG_BINARY
store only 1s and 0s
What utility displays information about hardware resources, components, and the software environment from the Registry?
system information (msinfo32)
useful for troubleshooting, finding system specs
How do you access System Information? 2 steps
- Start Menu
- Type “System Information” or “msinfo32”
How can you view a remote computer’s system information?
in the System Information window, to to View > Remote Computer > Enter the Network Name for computer
(example, \SMITH)
In Windows 7 and earlier, what utility was the go-to place for controlling what apps/services load at startup?
System Configuration (msconfig)
(now it’s in Task Manager)
What are some common MMC snap-ins? (4)
- Event Viewer
- Task Scheduler
- Local Users and Groups
- Performance Monitor
How many root keys does the Registry have?
5
Name the 5 root keys in the Registry
- H_C_R
- H_C_U
- H_U
- H_L_M
- H_C_C
- HKEY_CLASSES_ROOT
- HKEY_CURRENT_USER
- HKEY_USERS
- HKEY_LOCAL_MACHINE
- HKEY_CURRENT_CONFIG