How do update a file in dos

Viewed 9k times. Improve this question. Anthony Miller. Anthony Miller Anthony Miller Add a comment. Active Oldest Votes. I can't take all the credit, but I did look through my todo. Improve this answer.

This is an expansion on aflat's anwer. Output to console. Please be patient A echo valid "dd" number of days can be any number in echo the range of 0 - Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for. Search instead for. Did you mean:. Need Windows 11 help? Check documents and videos on compatibility, FAQs, upgrade information and available fixes. Windows 11 Support Center. Create an account on the HP Community to personalize your profile and ask a question.

Not Helpful 1 Helpful If the power goes out while you are updating the BIOS and you don't have a battery backup, this might make it difficult or impossible to boot your computer. However, if you can accept the small risk involved, updating the BIOS on modern devices is not particularly dangerous or difficult. Not Helpful 2 Helpful You will need to press a certain key or key combination as your computer boots up. This key varies between computers, but usually your boot screen the screen before the OS loads will tell you which key to press, or you can look it up in the manual for your computer or motherboard.

Not Helpful 3 Helpful 4. Not Helpful 5 Helpful 3. While there are a number of companies who sell "current drivers," scan for outdated drivers, etc.

They are free and, I presume, current. Not Helpful 4 Helpful I have a Dell Inspiration laptop with Windows 10 software. I bought it last month and due to its feature of auto updating apps, it is now asking permission for BIOS update. Do I need to update it? Don't fix what's not broken. If your BIOS is working just fine, there's really no need to update it unless the update could potentially have a fix for something that could benefit you.

Not Helpful 5 Helpful I have a Toshiba satellite c and for about two months now it displays: "Reboot and select proper device or insert boot media in selected boot device and press a key". I have installed a new operating system but am still getting the message. Sometimes it works but even then the A.

C cable needs to be blocked in for about 10 minutes for it to heat up. Can you help? Chances are, your computer's bootloader the program that the BIOS invokes on bootable drives to load your operating system is broken or corrupt. That or your BIOS cannot find the bootloader in the first place. There should probably be a section called "Boot Override". Look for your operating system. Windows 10 and possibly Windows 8 show up as "Windows Boot Manager".

Then, highlight your operating system and press enter. This might be different for you, however, so bear that in mind first. Not Helpful 3 Helpful Not Helpful 8 Helpful But you should back your existing BIOS up first, just in case. There's probably a 0. You'll need to get documentation on the motherboard. Not Helpful 9 Helpful 9. Include your email address to get a message when this question is answered. As follows:.

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Learn more. How do I use a batch copy to update files? Ask Question. Asked 11 years, 10 months ago. Active 11 years, 6 months ago. Viewed 2k times. WPD is updated.