Broken registry, can't access login screen
After a recent registry blunder, I found myself on a completely black screen with only the mouse visible instead of the login screen. Using a live CD, I fixed the registry; namely, /HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Control/Lsa -> Authentication
Packages. However, I still have the same issue on startup. Is there a way I can fix this, or barring that, restore the registry without booting? I don't have any Windows installation media.
OS: Windows 7 Professional x86
Live CD used: http://www.pcregedit.com/
Keys to the Problem Broken registry, can't access login screen
Whoops, for some reason I didn't see other answer results before. I successfully used System Restore (F8 on startup) to fix the problem.
How to Avoid Downloading Malware
Where are you getting the download?
There are malicious people who download valid copies of a popular download, modify the file with malicious software, and then upload the file with the same name. Make sure you are downloading from the developer's web page or a reputable company.
Don't install download manager
Many sites suggest or require you to install an installer or a download manager before allowing you to download a program you may be interested in downloading. These tools almost always cause your computer more problems and may even have malware or other spyware. Avoid any site claiming anything must be installed first before you can continue with your download.
Avoid advertisements on download pages
To help make money and pay for the bandwidth costs of supplying free the software, the final download page may have ads. Watch out for anything that looks like advertisements on the download page. Many advertisers try to trick viewers into clicking an ad with phrases like "Download Now", "Start Download", or "Continue" and that ad may open a separate download.
Cancel or deny any automatic download
Some sites may automatically try start a download or give the appearance that something needs to be installed or updated before the site or video can be seen. Never accept or install anything from any site unless you know what is downloading.
Recommended Method to Fix the Problem: Broken registry, can't access login screen:
How to Fix Broken registry, can't access login screen with SmartPCFixer?
1. Download Error Fixer . Install it on your system. Click Scan, and it will perform a scan for your computer. The junk files will be shown in the list.
2. After the scan is finished, you can see the errors and problems which need to be fixed.
3. When the Fixing part is finished, your computer has been speeded up and the errors have been fixed
Related: How to Download Toshiba Portege R500 HDD/SSD Alert Utility v.184.108.40.206 driver,Way to Update & Download Toshiba Satellite A355-S69403 Motorola Modem Region Select Utility v.220.127.116.11 driver,Where to Download Toshiba Satellite L305-S5926 HW Setup Utility v.2.00.11 driver,[Solved] Download Toshiba Satellite L675-S7115 Laptop Checkup v.18.104.22.168 driver,Method to Download Toshiba Satellite M645-S4080 Media Controller v.22.214.171.124 driver,Best Way to Download NVidia GeForce 6100 VGA Driver v.304.51 Certified,How Can You Update & Download NVidia GeForce 9300/nForce 730i VGA Driver v.310.19 Certified,Method to Download NVidia GeForce GT 330M Driver v.340.65,How Can I Update & Download NVidia GeForce GTX 590 Driver v.280.26 WHQL,Method to Download NVidia Tesla C2050 Driver v.319.17
Read More: [Anwsered] Buy visual studio 2012 ultimate from india?,How to Resolve - Boot up Issues- hangs up at the Welcome screen?,Troubleshooting:boots up without internet, sound etc,How to Resolve - Calculating a value using an expression in an Access Query?,How to Fix - BSOD with Memory_Management error when connecting external hard drive?,All diagnostic tools give 0x800700C1, troubleshooting wizard can't continue,all files try to open with adobe,all icons on desktop have changed to Adobe icon and won't open,All functions of my outlook are working except it will not let me "REPLY" or start a "NEW" email,all f1-f12 shortcuts not work