this can b a problem of ram
The gray Apple logo that appears on a Mac during shutdown (and bootup) is simply a splash screen that displays during the shutdown (or bootup) process.
You do it in CMOS setup, usually by pressing F2 during bootup, but the exact key combination varies from device to device.
You need to enter setup on bootup, and it will be displayed. When the computer boots up, it usually shows on the screen, if you can read it fast enough?
NTBOOTDD.sys
yes if the drive is full or of large capacity the disk searches for the file (a bootup) which takes a long time. but its not a fact
When the computer boots, it usually allows the bios name and version to display (but this can be hidden in the setup for the computer). You can still get into the system info before windows starts by going into setup (could be hitting del key or F2 or F10 key or whatever the particular computer manufacturer has programmed it to be.. this is also usually displayed on the bootup screen). The bios info (make and version) is in the system information accessed thru menu selections in setup.
are you sure you need to? These are Operating system files--necessary for the bootup, file management, and general operation of your computer. Just because you cannot tell by the filename what they are for, they are required by the OS. If you delete one, you may find yourself rebuilding your computer.
dmesg
Intermittent lockup at bootup.
no. OS is after Bootup which is after POST.
A Blue Screen occurs, often, due to Viruses, someone or something changing/deleting Registry Files, a failure during Bootup, or a corrupt file which could be due to age of a computer or viruses or somebody tampering with files.
A Blue Screen occurs, often, due to Viruses, someone or something changing/deleting Registry Files, a failure during Bootup, or a corrupt file which could be due to age of a computer or viruses or somebody tampering with files.