Perhaps some of you will say that when an error occurs I will search on Google and find out how to fix this. It is better so, but what happens if the error can have many causes? This is where these methods of finding the cause of errors, methods that are easy to apply but we will tell you exactly what we want to know, and some cases of error.

A good method of finding errors caused by drivers is found in Event Viewer. To open Event Viewer, follow the steps to come:

Step 1: Go to Start -> type in the search box ev and then press Enter;

Step 2: Look under Custom at the Administrative logs;

Here you can find the problem with drivers which can occurs when you start your computer.

Another method to find the drivers problem is to open Device Manager and to search over the driver errors.

Step 1: Go to Start, type Device Manager in the search box and then press Enter button;

Step 2: Now look over the driver errors which generally appear with a yellow triangle;

A third way to find out where exactly, or what, makes your computer not work or give error is to do a diagnostic report.

Step 1: Go to Start-> type in the search box perfmon /report and then press Enter key;

Step 2: Take a while until the report is finished, but when the report is finished you can navigate through report to see if you have errors;

Last method which we present in this article is a method that uses a utility from Windows 7 called Find and Fix.

Step 1: Go to Start -> type in the search box Find and then press enter;

Step 2: Appear a screen where you can find utilities;

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Download the kernel update from here.

If you’re running on a user you should try to install like default installation.

Fix Nexus One problem

Step 1: First run a userdebug or eng build. This update won’t run on the user build, you will get verification failed;
Step 2: Download the update from here;
Step 3: Now you should copy the file to phone SD cars, but first rename the file into update.zip;
Step 4: In case that you have adb, try adb reboot recovery(more details for abd here);
Step 5: If you don’t have adb try the next steps:

• Power off your phone
• Turn it on whilst holding the trackball down
• At the boot screen, use the volume keys to select bootloader then press the power button to select
• At the next screen, select recovery and press the power button to select it
  

Step 6: The boot cross will appear, and shortly after a ‘!’ graphic will appear. Hold down the power button, then press volume up;
Step 7: You will see a menu with blue text. Use the trackball to highlight and select apply SD card update;
Step 8: The process should take a few seconds, after which you can reboot your phone;
Step 9: If you get verification failed you probably have a user build;
Step 10: You now have a tether-enabled kernel.

Next you can read the instructions for user build: All steps before step 12 are safe and wont touch your phone’s Rom /flash

Step 1: Get a copy of adb and fastboot (check the SDK or Google for them);
Step 2: Grab the Nexus One update zip and nexusone-zimage from the downloads page;
Step 3: Plug your phone’s USB in;
Step 4: adb reboot bootloader;
Step 5: When the bootloader screen appears: fastboot boot nexusone-zimage;
Step 6: Make sure the phone boots, if not, STOP

• Note that Wifi will not work at this stage.
• If the phone fails to boot, something is wrong. Pull the battery to reboot.

Step 7: Unzip the update zipfile, then adb push bcm4329.ko /sqlite_stmt_journals/;
Step 8: adb shell;
Step 9: su;
Step 10: insmod /sqlite_stmt_journals/bcm4329.ko;

• If an error appears doing this, STOP;

Step 11:  lsmod;

• You should see ‘bcm4329′ listed. If not, STOP;

Step 12: mount -w -o remount /dev/block/mtdblock3 /system;
Step 13: cat /sqlite_stmt_journals/bcm4329.ko > /system/lib/modules/bcm4329.ko;
Step 14: Logout out of the phone;
Step 15: adb reboot bootloader;
Step 16: When the boot screen appears: fastboot flash zimage nexusone-zimage;
Step 17: fastboot reboot;
Step 18. Your Nexus One should come up;

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Among the many errors that occur in Windows and which can be solved here, at least a part of them, this error occurred which cannot be neglected.

Most times the BSOD(Black Screen of Death) in Windows 7 appear when you logging on, and it seems that this error occurs after the latest Microsoft security updates released on November 25th, have caused problems for some Windows 7 users creating a BSOD(Black Screen of Death).

To solve the Black Screen Of Death(BSOD) in Windows 7 you can follow the next steps to fix the BSOD screen, but these are available in case that the BSOD not appear everytime.

If appear the BSOD(Black Screen of Death) screen in Windows 7, follow these steps to fix this error:

Step 1: Restart your computer;

Step 2: Logon into your account, or into account that appear this BSOD;

Step 3: After the BSOD screen appear, make sure that your computer is connected to the Internet;

Step 4: Press the CTRL, ALT and DEL keys simultaneously;

Step 5: When prompted, click Start Task Manager;

Step 6: In Task Manager click on the Application Tab;

Step 7: Next click New Task;

Step 8:Now enter the command: “C:\Program Files\Internet Explorer\iexplore.exe”
“http://info.prevx.com/download.asp?GRAB=BLACKSCREENFIX”

Note: this command assumes that you are using internet explorer as your browser, if not substitute your browser path and file details for those of iexplore.exe or use the Browser option of Task manager to locate it;

Step 9: Click OK and your browser should start up and begin the download process;

Step 10: When prompted for the download click Run, the black screen fix program will download and run to automatically fix the issue;

Step 11: Restart your computer;

In case that appear the BSOD(Blue screen of death), this error may occur from different causes, causes like a new installation of software, new driver, an upgrade of a driver, compatible problem between the components, and these are not too all.

A solution to solve this error is to start your computer in Safe Mode, and then to restore your computer to an earlier date. Next you can read the steps to restore your computer to an earlier date.

How to restore your computer to an earlier date in Windows 7

Step 1: Go to Start, and type restore in the Search form;

Step 2: Click on System Restore at the top of the start menu;

Step 3: At this step should appear a Restore system files and settings screen;

Step 4: Select Recommended restore and then click Next button, or you can select Choose a different restore point and will see a list with restore points that you can choose from;

Info: For example if you make an antivirus installation last time and after that the BSOD occurs, choose the restored point old that the last installation of software.

There is not enough free space on partition (drive:). A total of space_size megabytes (MB) of free disk space is required. Try Disk Cleanup, or moving files to an external location such as a CD, DVD, or external hard drive, and then restart the installation.”
This problem occurs when the virtual memory paging file is reduced below the recommended size. Windows upgrade requires that the page file be the recommended size, and it requires that sufficient space be available on the drive to accommodate a default sized page file. By default, Windows stores the paging file on the system volume. Therefore, there is insufficient free space on the system volume when you try to upgrade to Windows 7.

To resolve this problem, we have two options:

Option 1: Free up space on the system volume
Use Disk Cleanup, or try to move files to an external location such as a CD, DVD, or external hard disk drive. Then, restart the installation. Make sure that required free space is available on the system drive.

To free up space on your hard disk, Disk Cleanup finds and then removes temporary files on your computer that you decide you no longer need. If you have more than one drive or partition on your computer, you are prompted to select the drive that you want Disk Cleanup to clean.

Steps to start Disk Cleanup:
Step 1: Go to Start
Step 2: Go to All Programs -> Accessories -> System Tools-> Disk Cleanup

Option 2: Move the paging file to another volume
Step 1: Log on to the computer as Administrator.
Step 2: Go to Start, right-click Computer and then click Advanced system settings.
Step 3: In the System Properties dialog box, click the Advanced tab, and then click Settings under Performance.
Step 4: In the Performance Options dialog box, click the Advanced tab, and then click Change.
Step 5: Click to clear the Automatically manage paging file size for all drives check box.
Step 6: In the Drive [Volume Label] list, click a drive other than the one on which Windows is installed (typically, this is drive C). Under Total paging file size for all drives, note the value that is displayed next to Recommended.
Step 7: Check the Custom size box, and then type the recommended value in the Initial size (MB) box.
Step 8: Type the maximum size that you want to allow for paging in the Maximum size (MB) box, and then click Set.
Step 9: In the Drive [Volume Label] list, click the drive on which Windows is installed, click to select the No paging file check box, and then click Set.
Step 10: Click Yes when you are prompted.
Step 11: Click OK, and then restart the computer.

Error: “STOP 0×0000007B INACCESSABLE_BOOT_DEVICE”

The cause of this error is the AHCI driver (Msahci.sys) is disabled in Windows 7 and Windows Vista. This driver must be enabled before you change the SATA mode of the boot drive.

To resolve this issue, enable the AHCI driver in the registry before you change the SATA mode of the boot drive.
To do this, follow these steps:
Step 1: Exit all Windows-based programs
Step 2: Go to Start, in the start search box type regedit, and then press Enter
Step 3: It’s possible to receive the User Account Control dialog box, click Continue
Step 4: Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci

Step 5: In the right pane, right-click Start in the Name column, and then click Modify
Step 6: In the Value data box, type 0, and then click OK
Step 7: On the File menu, click Exit to close Registry Editor
Step 8: Restart your computer

Note: When you start the computer, your system reboots at that point, it’s probably a hardware problem. It’s indicating to start by swapping out the RAM. If you have more than one piece of RAM, remove one; try getting to the recovery console. If it still does it, try the other.
If you follow the above steps and your computers have the same problem, then you should try to access your ntfs partitions by making an ntfs boot disk with NTFS4DOS. You can download it from http://www.geekswhoknow.com/files/ntfsinst.exe, you will need a floppy disk.

Fix Stop 0×00000024 or NTFS_FILE_SYSTEM error messages.

Method 1: Perform the following steps:

1. Go to Start -> Run and type cmd, and then select OK.
2. Type chkdsk drive: /c(windows drive) and then press Enter.
This command will detect and try to fix any structural problems with the file system on the drive specified in the command.

Method 2: Perform the following steps:

1. Open the My Computer window.
2. Right-click the hard disk drive letter you want to check and then select Properties. On the Tools tab, click the Check Now button in the Error-checking section.
3. In the Check disk options dialog box, select the Scan for and attempt recovery of bad sectors or/and Automatically fix file system errors check boxes and then click the Start button.

The BlueScreen causes can be a software problem or a hardware problem.

When your systems stop working, Windows can check for a solution, and also you can check if Windows has found a solution.
To check this, fallow these steps:
Step 1: Go to Start -> Control Panel
Step 2: Go to System and Maintenance -> Problem Reports and Solutions
Step 3: Go to Tasks panel and click Check for new solutions (Windows will check for solutions to problems).
Step 4: If a message is displayed indicating No new solutions found, click Close. Or, if any links appear under Solutions to install or Information about other problems, click each of the links and follow the steps provided to solve those problems.

To resolve this issue, install the Sound Blaster drivers correctly. To do this, follow these steps:
1. Close all the programs running on your computer.
2. Click Start, point to Find, and then click Files Or Folders.
3. In the Named box, type sb16snd.sys sp16snd.dll, and then click Find Now.
4. Rename the Sb16snd.sys and Sb16snd.dll files to Sb16snd.old and Sb16snd.dl0. For information about how to rename a file in Windows, click Start, click Help, click the Index tab, type renaming: files, and then click Display.

If you cannot rename the files because they are in use, note the location of the Sb16snd.sys and Sb16snd.dll files, and then follow these steps:
a. Press CTRL+ALT+Delete, and then click Task Manager.
b. On the Processes tab, click Explorer.exe, and then click End Process.
c. On the File menu, click New Task.
d. In the Open box, type cmd
e. At the MS-DOS prompt, type cd\folder, where folder is the location of the Sb16snd.sys and Sb16snd.dll files.
f. Type the following lines, pressing ENTER after you type each line:
ren sb16snd.sys sb16snd.old
ren sb16snd.dll sb16snd.dl0
exit
5. In Task Manager, click New Task on the File menu, type explorer.exe in the Open box, and then click OK.
6. Remove and reinstall the Sound Blaster drivers.

Try System Restore

Step 1: Start -> All Programs -> Accessories -> System Tools
Step 2: Click on System Restore

Determine if the problem is hardware-related

Step 1: Start -> Control Panel -> System and Maintenance -> Administrative Tools
Step 2: Click on Memory Diagnostics Tool

Options to try if Windows starts but runs erratically or slowly

System Restore
System Restore can return your system files to a point in time before you noticed a problem. System Restore works without affecting documents, photos, or other personal files.
Step 1: Start -> All Programs -> Accessories -> System Tools
Step 2: Click on System Restore.

Safe mode
You can use safe mode to temporarily disable programs that start themselves when Windows starts. If one of these programs is causing a problem, you can start your computer in safe mode and then uninstall the program before it starts.
You can access the menu by turning on your computer and pressing the F8 key before Windows starts

Options to try if Windows does not start at all

Startup Repair
Startup Repair is a Windows recovery tool that can fix certain problems, such as missing or damaged system files that might prevent Windows from starting. Startup Repair is located on the System Recovery Options menu, which is on the Windows Vista installation disc. If your computer has preinstalled recovery options, it might also be stored on your computer’s hard disk.

Reinstall
If no other options have solved the problem, and you are sure that your computer’s hardware is functioning normally, you might need to reinstall Windows. A custom (clean) installation of Windows will permanently delete all of the files on your computer and reinstall Windows, so only use this option if all other recovery options have been unsuccessful. After the installation, you will need to reinstall your programs and restore your files from backup copies.

- Try cleaning your Windows installation disc. It might be scratched, smudged, or dirty. Clean the disc with a soft cloth, insert it in the CD or DVD drive, and then begin the Windows installation again. If your installation disc is damaged, you might need to replace it.

- Make sure your CD or DVD drive is working properly. If it isn’t, the disc might be vibrating too much for the laser to accurately read the data. For more information about this problem, consult your hardware documentation, or contact the CD or DVD drive manufacturer.

- If your computer has multiple CD or DVD drives, make sure your computer is trying to locate files on the correct drive. If your computer has a feature to disable CD or DVD drives that are not being used, disable the drives that you aren’t using. Otherwise, try inserting the disc into a different drive, and then start the installation again.

- Check to see whether a virus is on your computer. Run an antivirus program to scan your system and identify needed repairs. Be sure to disable the antivirus program before beginning the installation again.