Are you wanting to remove the Windows 7 installer from the USB pen drive, or make it have a bootable Windows 7 installer?how can I remove W7 from disk on key
The ISO file cannot be bootable simply by pasting the container onto the USB pen drive. The contents have to be extracted from inside the ISO. For legacy BIOS booting, you also need to write a bootsector to the filesystem header of the partition on the USB pen drive.How can I possibly reinstall Windows 7 from my disk on key
Are you wanting to remove the Windows 7 installer from the USB pen drive, or make it have a bootable Windows 7 installer?how can I remove W7 from disk on key
The ISO file cannot be bootable simply by pasting the container onto the USB pen drive. The contents have to be extracted from inside the ISO. For legacy BIOS booting, you also need to write a bootsector to the filesystem header of the partition on the USB pen drive.How can I possibly reinstall Windows 7 from my disk on key
bootsect /nt60 I:
replacing I with the letter of the letter of the bootable installer partition. If the USB pen drive is formatted FAT32, it will need to be formatted.Rufus and manual extraction only transfer the file contents inside the ISO. The MBR is either already there and ready, or needs to be created separately. The MBR could already be there, it could be the Volume Boot Record that isn't."...The ISO file cannot be bootable simply by pasting the container onto the USB pen drive..." Meanwhile, I understood (?!?) that and extracted the ISO-file ("container" as you named it) with 7-zip (?!?) to the stick, but it still didn't work. I hope (?!?) that I comprehend it right (I am not a pro + English is not my first language) that you actually explain that in your second paragraph section (2."Legacy BIOS boots the MBR bootsector ..... found inside an ISO.")
bootsect /nt60 I:
bootsect /mbr I:
The Rufus method intakes a complete ISO container because Rufus is what extracts the contents inside after formatting the USB pen drive. As Rufus erases the pen drive, the ISO file has to be stored elsewhere while using Rufus. That doesn't need to be a USB pen drive, it can be the internal HDD or anywhere but the USB pen drive chosen as the destination in Rufus.But reading your third paragraph, section (3."The easiest ..... in Rufus.") I can see that you are talking about a different way, due to the fact that you still point to the complete ISO container, mentioning a second stick (I have only one).
Extracting the ISO contents isn't wrong. Just that if you extract the contents manually, you also have to write the bootsectors manually. This is the part that needs to be done as well: "then open Command Prompt as administrator and useDoes that mean that my extracting way with 7-zip is wrong or isn´t it partly equivalent to your way, you are offering in the fourth paragraph, section ? All the described steps I obviously do on a different computer?!? Confusing!
bootsect /nt60 I:
replacing I with the letter of the letter of the bootable installer partition" as instructed after the first quote in this message.Yes that's only an option if the USB pen drive is already formatted NTFS. If it's formatted FAT32, which is most likely, you'll need to erase it to format NTFS. If you want to erase the pen drive, you could format it NTFS in File Explorer, but if you're not saving the existing data anyway, just use Rufus.Finally, in your fourth paragraph, section (4. "If you don't want to erase....to be formatted.") you offer another (preferable) way, where I obviously have to format the stick to NTFS (how?, I will google that)...
From the boot priority menu in the BIOS configuration, use arrow keys to highlight the SanDisk Cruzer Blade, then press F6 to mode it to the highest position, and then press F10 to Save and Exit. From the single time boot choice menu, highlight Removable Devices and press Enter, then the SanDisk Cruzer Blade may appear under that.Furthermore, I understood (?!?) that my boot order is not as it should (USB STICK first, but how can I change that in BIOS, see picture "2b.jpg")
Both Rufus and manual method (extraction + bootsect) are the same in that only file contents inside the ISO are used. Rufus writes the bootsectors automatically, but doesn't source them from the ISO, so both methods only use the file contents of the ISO. This was in response to the earlier comment about the MBR being sourced inside the ISO. It can be disregarded now.1. "...Rufus and manual extraction only transfer..." That means that I have to do both or both steps do the same...?!?
The MBR is located at the exact beginning of the USB pen drive disk, before the space where partitions occupy. Since only a small cursor appears when booting the USB pen drive, the MBR probably does needs to be written. That is done by opening Command Prompt as administrator and using3. "...The MBR is either already there (where?) and ready, or needs to be created separately (how?). The MBR could already be there, it could be the Volume Boot Record that isn't (?)..."
bootsect /mbr USB:
replacing USB with the single letter of the pen drive. You probably also need a volume boot record (which is at the beginning of the partition with the ISO contents), so open Command Prompt as administrator and using bootsect /nt60 USB:
replacing USB with the single letter of the pen drive partition.Erasing means all files on the USB pen drive will be destroyed. I ended up sending you down this long runaround path because I had the impression that you had the ISO container file placed on the USB pen drive because you didn't want to erase it, but that was a stupid assumption that made no sense, like all the stupid things I do.4. "Are you able to just erase the USB pen drive? If so, the simple standard of using Rufus can be done, instead of this highly complicated technical method to avoid erasing it." Ok I need your help, so I go (try) the way you recommend! So far I will avoid now questions towards the the "complicated technical method". Just don´t get what (why) is meant by "...just erase the USB pen drive...". Erasing is a simple thing, isn´t it?!? So that the pen drive is empty before the recommended procedure?!?
Rufus erases all partitions away from the USB pen drive, creates a new partition, imports the ISO file contents, and writes the bootsectors. You don't need to check if it functions properly. If using Rufus, you will need to move the ISO file and any other files off the USB pen drive to an HDD.5."The Rufus method intakes a complete ISO container because Rufus is what extracts the contents inside after formatting the USB pen drive. As Rufus erases the pen drive, the ISO file has to be stored elsewhere while using Rufus. That doesn't need to be a USB pen drive, it can be the internal HDD or anywhere but the USB pen drive chosen as the destination in Rufus." Relating to 4. I hereby understand that "Rufus" is actually erasing and formatting (from what to what?) the USB pen drive...Asking me if I am able to erase the USB pen drive, just means/making sure that I have another save place for the ISO-file or a checking aspect if Rufus is doing it right or erasing is just another expression for formatting it to NTFS which Rufus does....?!?
After using Rufus to create a bootable Windows installer, the USB pen drive can always be returned to normal by running Rufus in Non-Bootable mode, which is one of many methods to clear all partitions from the USB pen drive.Is the pen drive afterwards useable in a normal way, or is it necessary/possible to format it back to FAT32? I am just using the general definitions of words without really knoWing what I am talking about...
Extracting and writing bootsectors is all done by Rufus so nothing else needs to be done after moving the data off the USB pen drive before using Rufus. That paragraph is writing bootsectors, not extracting, and neither are necessary with Rufus.6. "Extracting the ISO contents isn't wrong. Just that if you extract the contents manually, you also have to write the bootsectors manually. This is the part that needs to be done as well: "then open Command Prompt as administrator and use bootsect /nt60 I: replacing I with the letter of the letter of the bootable installer partition" as instructed after the first quote in this message..." So this ("...Extracting...") is not necessary when I do it the 4. > "Rufus-way"...?!?
bootsect /mbr USB:
replace USB with letter of pen drive partitionbootsect /nt60 USB:
replace USB with letter of pen drive partition