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monitor

  • 14-03-2005 9:41pm
    #1
    chrismon
    Registered Users, Registered Users 2 Posts: 1,115 ✭✭✭


    my monitor has begun to make a high pitched sound lately.
    any idea what this is?soon as i turn it of it goes away :confused:


Comments

  • #2
    condra
    Registered Users, Registered Users 2 Posts: 3,849 ✭✭✭condra


    is it a CRT? Most older CRTs make noise with age. Monitors are pretty cheap to replace these days.


  • #3
    chrismon
    Registered Users, Registered Users 2 Posts: 1,115 ✭✭✭chrismon


    yea its crt.
    just wondering,not really bothered replacing it.
    dont use the pc enought these days anyway.
    cheers
    chris


  • #4
    themole
    Closed Accounts Posts: 888 ✭✭✭themole


    prob a capacitor about to blow.

    you could replace some of the caps, if the monitor is worth it.

    it could keep plodding on for a while or give up the ghost soon


  • #5
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,596 Mod ✭✭✭✭Capt'n Midnight


    If you have recently changed the resolution or refresh rate than that's most likely what has started it. If it's an old monitor then you may be overdriving it or it may be on the way out and it's time to ease back on it a bit. Most monitors these days are multisync so in theory they should not go POP! when you overdrive them, in theory that is..

    Try dropping the desktop area first

    If the correct monitor model is listed by windows and the hide resolutions it can't see button is ticked then try dropping to the next one down

    If a 17" or bigger - try setting resolution to 1024 x 768 at 75Hz
    for 15" or below 800 x 600

    Oddly enough last week we had a high pitched monitor that went quiet again when the freq was upped a tad. (to another freq the monitor could use)

    As for opening the back of a monitor
    36,000 Kill-O-Volts
    switched mode PSUs have the highest technician kill rate
    soft power means it might go live when plugged into the mains
    if the discharge resistor has failed then you can be killed by a capacitor hours after unplugging it from the wall , actually a CRT sitting on a shelf that has never been plugged in to anything can acquire a lethal static charge !!!


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