I'm sure you might have faced freezing problems in your Windows 7 OS at startup screen (Just after booting screen) from where it don't proceed further? Before looking anywhere else, user tends to perform own tactics and try to solve it and after performing failed attempts, they found their system unreliable or behaving abnormally. So, it is advised not to perform such any actions onto your system before being knowledgeable about such issues.
For example, I've taken a query from a forum's thread posted by normal PC user who described their case about Windows 7 Freezing:
After seeing such errors, most professionals suggest to check memory for errors, perform CHKDSK utility, scanning PC for malware issues etc. but none of them would help users either due to lack of proper guidance or different cause than the actual one.
How to Solve Freezing, Finally here:
Here are some quick fix steps to solve such problems immediately without help of third party software.
1). System Recovery Options
Windows 7 has inbuilt functionality to repair corrupted or damaged system files through using 'Startup Repair' option. You can easily get to the startup repair option by keep pressing the F8 button just after switching on the system.
Note: You need to have Windows 7 DVD or can borrow from your friends or neighbors, if your Windows 7 doesn't show you the system recovery options by default, follow below mentioned steps:
a) Press F10 or F12 (Whatever Works) to boot system using DVD
b) Windows will start loading files and take you to the language settings screen. Click 'Next'
c) On 'Install Windows' screen, click on 'Repair You Computer' located at the bottom left corner. Remember not to click on the 'Install Windows' button, if you already have Windows 7.
d) You will be taken to the system recovery options
d) Click on 'Next' where list of tools available to fix errors. For the time being, we choose only 'Startup Repair' option.
e). Startup Repair will now search for the existing problems as well as fix those and show you the results, only after finishing the scanning process. Click on finish to restart your PC.
You can also try other options of System Recovery menu, such as 'System Restore – Will restore system to previous successful running state', 'Memory Diagnostic -To check computer for memory errors'.
If none of option in system recovery options solve your issue, process to next step.
2). Using Command Prompt Options
At the same Window (System Recovery Options), a command prompt button is listed. Click on it, type & process each text string mentioned below, until you get the message 'Volume not Found'
CHKDSK /r C:
CHKDSK /r D:
CHKDSK /r E:
CHKDSK /r F:
After which, it will check your hard drive volumes for errors and possible fixes. In case if CHKDSK utility didn't find any errors and says 'Windows has checked the file system and found no problems', you need to run it again as sometime this utility just ignore the minor issues or the problems for which it didn't find any solutions.
You can also use various hard disk checker utility available on the relevant manufacturer's website.
3). Replace Hard Drive
In most cases, user ends up with the solution of bad hard drive which needs replacement. So if you are using a single hard drive for a long time, you may need to purchase a new one as soon as possible.
4). Fix Damaged Registries
If the system has suffered from serious damage or failure in past, could lead your system to freezing or hanging. CCleaner would be the best registry cleaner software freely available for both Windows & MAC.