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HP DV6 laptop wont turn on

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  • Mirno
    Mirno Posts: 219 Forumite
    It's possible that it would - the BIOS is the basic input output system. It's the mini operating system that loads first, and controls things just enough to load proper drivers.
    If it were completely corrupted it wouldn't even load the message to say it was broken.

    I did find this page on the HP forum:
    http://h30434.www3.hp.com/t5/Other-Notebook-PC-Questions/Bios-corruption-of-hp-pavilion-dv6-1210sa/td-p/1395649

    Not sure about the last post about the mute button, but "Mumbodog"'s advice to hold down all four cursor keys before power on, then keeping hold while powering up for a while until you hear some beeps sounds more promising.

    Thanks,

    Mirno
  • nembot
    nembot Posts: 1,234 Forumite
    closed wrote: »
    a lot of one brand of laptop available in recent years seem to suffer from overheating gpu/solder/power system/motherboard cracks/twists/defects - ie dead well before their time problems

    hold down power button for 10 seconds, remove battery, hard disk, press all over the keyboard while switching on, if nothing comes on screen, and nothing comes on external screen, it's probably knackered. it may be fixable with a hot air gun or soldering iron if you want to spend time on it

    Good post by closed!

    I've repaired a number of laptop GPU's using this method, you may get months or even a year or more before another repair is required and unfortunately sometimes just days :(

    If you know anyone brave enough to do this, remember to use flux (spray flux is ideal) rather that just heat up the affected component.

    The alternative if you have any professional repairers locally is to have it done on a IR or BGA reballing station - this means the affected GPU/Chipset is desoldered, reballed and then re-solded back on the motherboard.

    reball-solder.jpg

    The primary cause is the change in solder over the last few years, whereas older technology using lead based solder just plods on for years.
  • adwozere
    adwozere Posts: 499 Forumite
    100 Posts
    Thanks all, Ive tried everything else so I will give Nembots advice a go with a heat gun and flux spray
    No Unapproved or Personal links in signatures please - FT3
  • F8 works on many newer laptops. You then choose to start in safe mode with networking and can do a virus check.

    Failing that I have had two fail on me with similar symptoms. First was due to system board failure (more money to fix than to buy a new laptop) and the second was because it was overheating too much and I had melted some of the motherboard!

    Made sure to use tray or table ever since!
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