Pendrive Bootable windows 7

Here we will see Making a pen drive bootable for  Windows7 & Windows8 operating system. To install fresh Windows OS with a CD/DVD drive takes too much time to install. People face problems that CD/DVD drive doesn’t work properly. No special software is required for this method. Using command prompt and with few lines of command you can make a bootable pendrive.

Just follow this tutorial.

Start your command prompt.

Command prompt will be opened

Type diskpart and hit ENTER

Before this step make sure pendrive is empty.As precaution Save all your datas to any other location  

Type List disk and press ENTER

What is BSOD? What do you do when you get blue screen in a computer? How do you troubleshoot it?

• BSOD stands for blue screen of Death.

When there is a hardware or OS fault due to which the windows OS can run, it give a blue screen with a code. to resolve it, boot the computer in "Last known good configuration".If this doesn't work then boot the computer in safe mode. If it boots up then the problem will be  with one of the devices or drivers in the computer.

Windows 7 Key Boot Files

Windows 7 Key Boot Files

BOOTMGR – Found in the MBR this file boots up the Windows operating system

BCD (Boot Configuration Data) - is text file that lists the available OS found and tells the BOOTMGR where to find boot partition

WINLOAD.EXE- Loads the Windows Interface

NTOSKRNL.EXE- Windows 7 Core Files

WIN.COM - Windows 7 command file

HAL.DLL - Hardware Abstraction layer of Windows 7

Windows Booting Process

Explain Booting Process

• Make sure all powercable for monior an cpu are connected and also other conection
• Once you hit power button power on self test(post), it initilaizes all the harware accesories are working inside the cpu, if anything is wrong it gives beepsounds from buzzer in motherboard
• After finishing, post BIOS searches for MBR record from the hardisk, when its done MBR record looks bootable partition, and run the program ntldr.exe NTLoader.exe
• Then ntldr processes boot.ini and it directs to theOS alvailable , BOOT.INI  holds the record what are the OS available and OS  related file location
• After as you selct your os ,while booting OS ntldr run a program NTDETECT.com which intializes hardware 

Important DOS Commands for Windows

DOS COMMANDS

Get Mac address  : ipconfig /all or getmac.

Display Connection Configuration: ipconfig /all
Display DNS Cache Info: ipconfig /displaydns
Clear DNS Cache: ipconfig /flushdns
Release All IP Address Connections: ipconfig /release
Renew All IP Address Connections: ipconfig /renew
Re-Register the DNS connections: ipconfig /registerdns
Change/Modify DHCP Class ID: ipconfig /setclassid
Network Connections: control netconnections
Network Setup Wizard: netsetup.cpl
Test Connectivity: ping google.com
Trace Route: tracert
Displays the TCP/IP protocol sessions: netstat
Display Local Route: route
Display Resolved MAC Addresses: arp
Display Name of Computer Currently on: hostname
Display DHCP Class Information: ipconfig /showclassid

NameServer Lookup: nslookup google.com