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Why Do Computers Take So Long to Boot Up?

An anonymous reader writes "Computers take too long to boot up, and it doesn't make sense to me. Mine takes around 30 seconds; it is double or triple that for some of my friends' computers that I have used. Why can't a computer turn on and off in an instant just like a TV? 99% of boots, my computer is doing the exact same thing. Then I get to Windows XP with maybe 50 to 75 megs of stuff in memory. My computer should be smart enough to just load that junk into memory and go with it. You could put this data right at the very start of the hard drive. Whenever you do something with the computer that actually changes what happens during boot, it could go through the real booting process and save the results. Doing this would also give you instant restarts. You just hit your restart button, the computer reloads the memory image, and you can be working again. Or am I wrong? Why haven't companies made it a priority to have 'instant on' desktops and laptops?"

4 of 975 comments (clear)

  1. Re:Errr.... by Hirsto · · Score: 0, Offtopic

    CRT TV's turn fast because the tube has a bias circuit to keep it warm. When turned "OFF" most TV's burn about 5W to keep the tube warm for fast start. You definitely weren't around in the 60's and mid 70's when we watched the tube warm up and the displayed image grow from a small dot to the full size of the screen. Sometimes it would take 20 or more seconds before the picture stabilized. When you turned the TV off you got to watch the "boot" process in reverse as the display shrunk to a dot. It was a big deal when we got "instant-on" TV's.

  2. Re:hum by Anonymous Coward · · Score: -1, Offtopic

    Relax. The reply made perfect sense. The post before him said that he couldn't get hibernation to work with more than 1GB, he replied that he had the same problem. Either you can't read or your blow up doll is on her period. Just relax.

  3. Re:hum by Anonymous Coward · · Score: -1, Offtopic
    Relax. The reply made perfect sense. The post before him said that he couldn't get hibernation to work with more than 1GB, he replied that he had the same problem. Either you can't read or your blow up doll is on her period. Just relax.


    You're missing the point. The post he was replying to does not show on the default thread display because of the moderation system. Without it, his reply makes no sense. I explained that in my first post on the subject, which it seems you did not read, perhaps because of some preoccupation with things sexual.

    These facts remain:
    1) The moderation system destroys thread continuity on the default display.
    2) This would not be so bad if pagination on the more complete displays was not broken.
    3) Replies to posts with many replies will sometimes not display at all in any view.
    4) Having to load every thread at least twice to get it into a readable form is a pretty bad waste of bandwidth and server resources. (With such a wasteful attitude I can only conclude that slashdot does not pay for its bandwith and server hardware).
    5) This has been the case for a long time, either slashcode is just plain sloppy or perl cannot do the job.
  4. Re:hum by Shawn+is+an+Asshole · · Score: 0, Offtopic

    What you need to do is:

    1) Create an account
    2) Log in
    3) Check the checkbox next to "I am willing to help test Slashdot's New Discussion System"

    With the new system, just click on any subject and the comment expands out. Regardless of the rating. It's a massive improvement over the old way. My only complaint is that anoying floating thing on the left*.

    * This has actually become more anoying in the last week. Before I could click the "X" and it would go away. Now after clicking the "X" (in Camino and Firefox 2 (OS X and Linux)) it takes up the top half of the window and I have to click the "X" again to finally get rid of it. I have this happen on three different machines, so it's not my computer.

    --
    "It ain't a war against drugs.it's a war against personal freedom" --Bill Hicks