Every time my computer updates I lose control of the brightness. It's a laptop so it's a pita.
Sometimes, it screws it up just rebooting.
Sometimes the volume stops working. Sometimes the start menu no longer functions.
I have a 3.2GHz quad core laptop with two graphic cards, the standard IBM and a Radeon 3D card, a 1Tbyte HDD, 8Gig of high speed RAM and it takes a good 5 minutes to boot before disk activity goes below 100%
When I first got into computers I had a 2MHz Z80 system, before most people really understood what a computer was. It booted in about 3 seconds.
Even if the full 8gig was used, to reload the entire RAM from a slow HDD at (100MB/s) would take 110 seconds. A little longer for the additional overhead of track seeking. Add a bit more for the graphics cards if they have separate RAM.
My PC uses typically under 2 Gig, often under 1 gig. That's about 20 seconds worth of transfer.
That's RAW HDD controller and DMA transfer bypassing the CPU. So the CPU is almost idle through this whole process.
So why does it take so long?
Depends on who you ask.
It could be Hardware (on reset/power up a startup sequence needs to be followed. If the hardware isn't setup to be able to save this information, it has to be rebuilt).
It could be firmware. I've seen programmers code some really shocking code for drivers because they aren't fluent in hardware but are programming it. If you are programming hardware you really need to understand the hardware well, not just enough to get by.
It could be the O/S because it has too many overheads. e.g. I notice on rebooting from hibernate that it does a virus check as it loads (at least it does on mine). Regardless of what you think of security, checking the state of a machine saved makes no sense. It's more likely to create problems than solve them.
Run a virtual machine (a software simulation of a computer on another computer) and you'll see how the virtual machine loads far faster than the main machine.
My tip, the O/S should run the computer O/S in a virtual machine. I know this is the latest in new tech for computers since it's been around since oh...1960 ish... but it would really sort a lot of problems out and allow a user to save the computer state at will.
But nooooo.... we'll be subjected to crap for longer and longer.
Sorry, just had to rant. Been there, done that and all
Thanks for all the fish.