Windows 7 or 8 2. UpdateAfter starting my PC today, I was staring at a little message on my screen that said Missing operating system. At first I was a little bit shocked, but of course I knew that this most oftenonly means that either my disk has some small disk errors or my master boot record  is damaged. This tutorial is about Windows 7 USB Installation. Below are steps with screenshot. No CD is required. All you need is a usb of min 4GB and Windows 7 iso. SmartPCFixer is a fully featured and easytouse system optimization suite. With it, you can clean windows registry, remove cache files, fix errors, defrag disk. Ok my HDD is kaput, it is badly damaged. I f I get a new hard drive, How can I install windows 7,from the disc I own WITHOUT getting the message duplicate discUnfortunately, the solution is not 4. If youre stuck in X sources after booting with your DVD thats good news Run chkdsk to repair disk errors. First of all, dont panic If you panic and do things without thinking about consequences, you might damage your system and lose data. The solution to this problem is usually very simple. Your hard drive might have disk errors, therefore you are not able to start your system. This often happens when you restart your PC during a boot up sequence while its loading safe mode for example. Step Find your Windows DVD that you used to install Windows 7,8 or 8. Software Hack. Step Start your PC, insert your Windows DVD and hit a key when you are asked to to boot from DVD. It is possible that you have to change the boot order in your BIOS to boot from DVD. Step Follow the instructions on the screen, but dont install Windows 7, instead click on Repair your computer The installer will now search for Windows installations on your PC and list them all. Select your Windows 7 installation and click on next. Step Open the command prompt. I am trying to put a fresh install of Windows 7 Pro 64 bit on a Dell Precision T5610. I am receiving the following error during the initial stages of the installation. Learn how to create a bootable Windows PE 3. USB drive. First you you create the bootable USB stick, then you copy the WinPE 3. FIX Windows 7 Fixes Load Driver Missing CDDVD drive device driver 2016 HD 1080p Duration 432. THE PC BROO 402,307 views. Windows 7 Professional A Required Cd Dvd Drive Device Driver Is Missing' title='Windows 7 Professional A Required Cd Dvd Drive Device Driver Is Missing' />Attention Do NOT click on System Restore or System Image Recovery. If you try to restorerecover your system that way, you might damage your Windows 7 installation irreversibly. You will probably be in a folder X sources. Dont worry, if your partitions are still there you can run a chkdsk on them. Run a chkdsk for your main partition e. C, to do that enter chkdsk c fr f r will both fix errors and recover lost data. This will, in most cases, repair your disk errors and you will be able to start Windows 7 again. Windows Bootrec. exe Commands Repair MBRWhile youre at it, you also might want to repair and fix your MBR Master Boot Record, add a new boot sector and scan your disk for Windows 7 or Windows 8 installations. This will create a new Master Boot Record, but will not overwrite your existing partition table. This will add a new boot sector. If you boot sector is damaged you might not be able to start your system. Scans your disk for Windows compatible installations, needed to repair your Windows 7 or 8 installation. If you cant find any bootable Windows installations, also try using the command bootrec Scan. Os. If you still cant fix the problem, try to run chkdsk until all errors on the disk are fixed and it wont say X. You need to be on partition C or D, depending on where you installed Windows. If that doesnt work for you, you should try to find a way to get to C first. Executing on X wont help to fix the issues. Im Stuck In X sources, Help No worries, thats alright. X is a system reserved partition that aids you with the recovery, so if you see the X sources and not C dont worry and follow the instructions above. Please always make sure to remove additional hard drives or USB sticks are currently plugged into your PC, you may be booting from a corrupt external drive and wouldnt even know it or you may be booting from a stick that isnt even bootable and then youd also receive the error missing operating system.