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;

source

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.

In this article you can find the steps to create a restores point to an earlier date, and this can help you when you have problem with your computer, because you can restore your computer to an earlier date when your computer has worked well.

Steps to create a restored point for Windows 7

Step 1: Go to Start Menu and right-click on Computer and then click on Properties;

Step 2: On Control Panel click on System Protection;

Step 3: On System Properties windows go to System Protection tab;

Step 4: Click on Create button;

Step 5: Type a description that can be easily identify later;

Step 6: Click the Create button, and then the system will create the restore point;

Step 7: When the process is finished, you’ll get a message saying it’s completed successfully;

How to check the permissions of the file or of the folder

Step 1: Right click on the file or folder, and then click Properties;

Step 2: Click the Security tab;

Step 3: Under Group or user names, click your name to see the permissions you have;

How to check if the file is encrypted

Step 1: Right click the file, and then click Properties;

Step 2: Click the General tab, and then click Advanced;

If the Encrypt contents to secure data check box is selected, you need the certificate that was used to encrypt the file to open it.

[Source]

Hibernation basically writes your current system state to a non-volatile memory source, such as your primary HDD or SSD, allowing you to turn off your system and restore your progress at a later date.

This feature of the calculator is beneficial in the sense that when you start the computer in a state of hibernation, the latter starts faster than normal when you start.

How to Disable Hibernation in Windows 7 and Windows Vista

Step 1: Go to Start, then type cmd in the Start menu;

Step 2: Type powercfg.exe -h off and the press Enter key;

How to Disable Hibernation in Windows XP

In Windows XP you cannot disable the hibernation from cmd, and to disable the hibernation you should follow the next steps:

Step 1: Go to Control Panel -> Performance and Maintenance -> Power Options -> Hibernate;

Step 2: Uncheck ‘Enable hibernation‘;

How to download and install Windows XP Mode

Step 1: Go to Start, All Programs, click Windows Virtual PC, and then click Windows XP Mode;

Step 2: In the Windows XP Mode dialog box, click Download to go back to the Windows XP Mode and Windows Virtual PC webpage;

Step 3: In the Windows 7 system type drop-down list, click 32-bit or 64-bit depending on what version of Windows 7 you’re currently running. In the Windows XP Mode language drop-down list, click the language you want to use, and then click Download Windows XP Mode;

Step 4: Click Open to install the program immediately; or click Save to save the installation file to your computer, and then double-click the file;

Step 5: In the Welcome to Setup for Windows XP Mode dialog box, click Next;

Step 6: Choose the location for the virtual hard disk file that Windows XP Mode uses, or accept the default location, and then click Next;

Step 7: On the Setup Completed screen, select the Launch Windows XP Mode check box, and then click Finish;

Step 8: If you accept the license terms, click I accept the license terms, and then click Next;

Step 9: On the Installation folder and credentials page, accept the default location where Windows XP Mode files will be stored, or enter a new location;

Step 10: Enter a password, enter it again to confirm it, and then click Next;

Step 11: On the Help protect your computer screen, choose whether you want to protect your computer by turning on automatic updates, and then click Start Setup;

After setup is complete, Windows XP Mode opens in a separate window.

Hopefully Windows 7 allows a certain program installed in Windows XP mode, this is very useful for many users, especially for users who want to aibe programs installed on their computers which unfortunately are not compatible with Windows 7.

Steps to install a program in Windows XP mode

Step 1: Go to Start, click All Programs, click Windows Virtual PC, and then click Windows XP Mode;

Step 2: In Windows XP Mode, insert the program’s installation disc into your computer’s CD/DVD drive; or browse to the program’s installation file, open the file, and follow the instructions to install the program;

Step 3: Click the Close button at the top of the Windows XP Mode window;

Step 4: In Windows 7, click the Start button, click Windows Virtual PC, click Windows XP Mode Applications, and then click the program you want to open;

Considering that the size of the files increases with time browsing, the more temporary file size is greater the more likely to have trouble opening web pages. A good solution which is to avoid such problems is to delete at a certain period of time the temporary file.

In this article you can read about how you can remove all the temporary Internet-related for Internet Explorer 6 and Internet Explorer 7.

How to remove the temporary Internet-related files from your computer when you use Internet Explorer 6

Step 1: Start your Internet Explorer 6;

Step 2: Go to Tools -> then press on Internet Options;

Step 3: Click the General tab;

Step 4: Under Temporary Internet files, click Settings;

Step 5: Click Delete Files, and then click OK;

Step 6: Click Delete Cookies, and then click OK;

Step 7: Under History, click Clear History, and then click Yes;

Step 8: Click OK;

How to remove the temporary Internet-related files from your computer when you use Internet Explorer 7

Step 1: Start your Internet Explorer 7;

Step 2: Go to Tools -> then press on Internet Options;

Step 3: Click the General tab;

Step 4: Under Browsing History, click Delete, and when you are prompted, click Yes to confirm;

Step 5: In the Delete Browsing History dialog box, under Temporary Internet Files, click Delete Files, and when you are prompted, click Yes to confirm;

Step 6: Under Cookies, click Delete Cookies, and when you are prompted, click Yes to confirm;

Step 7: Under History, click Delete History, and when you are prompted, click Yes to confirm;

Step 8: Click Close, and then click OK to close the Internet Options dialog box;

In this article you can read about how you can make a back up for your programs, system settings, and files in Windows 7.

In this case you can create a system image with your files, programs and settings, a system image which contains a copy of Windows.

This image can be used to restore your computer files, programs and settings, and the image is stored into another location from the original programs, settings, and files.

Every time when you make a new system image, the old version of the system image will be deleted when the drive runs out of space. To help conserve disk space, you can manually delete older system images.

Steps to back up your programs, settings and files

Step 1: Go to Start -> Control Panel, clicking System and Maintenance, and then clicking Backup and Restore;

Step 2: In the left pane, click Create a system image, and then follow the steps in the wizard;

If you’re saving your system images in a network location, you can only keep the most current system image for each computer. System images are saved in the format of drive\WindowsImageBackup\computer name\. If you have an existing system image for a computer and are creating a new one for the same computer, the new system image will overwrite the existing one. If you want to keep the existing system image, you can copy it to a different location before creating the new system image by following these steps:

Step 1. Navigate to the location of the system image;

Step 2. Copy the WindowsImageBackup folder to a new location;

In this article you can find the information needed to install in parallel a different operating system.

Before beginning the installation process for the second operating system, have to make sure that you have a second partition of your hard drive, and also that you have the space required to install new operating system.

A second step you need to do it before starting the installation is to make sure that your computer is compatible with the new operating system, and for Windows 7 can find out if your computer is compatible from here.

After you have installed the second operating system, when you turn on your computer you will have to choose one of them.

How to install Windows on a separate partition or hard disk

Before to install a new SO on your computer, be sure to disable all antivirus software and back up your files to an external hard disk, a CD, a DVD, a USB flash drive, or a network folder. Also, find your 25-character Windows product key.

Step 1: Turn on your computer;

Step 2:

• If you download via Internet Windows 7 – open the installation file;
• If you have a CD with Windows 7, insert the CD into your computer, and the installation should start automatically;

Step 3: On the Install Windows menu, click Install now;

Step 4: On the Get important updates for installation page, we recommend getting the latest updates to help ensure a successful installation and to help protect your computer against security threats. You must be connected to the Internet to receive installation updates. This page might not appear if your computer is not connected to the Internet;

Step 4: On the Please read the license terms page, if you accept the license terms, click I accept the license terms;

Step 5: On the Which type of installation do you want? page, click Custom;

Step 6: On the Where do you want to install Windows? page, select the partition or disk where you want to install the new Windows operating system. Be sure to install Windows on a different partition from the one where the earlier version of Windows is installed;

Step 7: Click Next to begin the installation. You might see a compatibility report;