HP computer sending Monitor to sleep

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This topic contains 5 replies, has 3 voices, and was last updated by Avatar J0K3R 14 years ago.

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    J0K3R
    Member
    #107933

    Had a problem with a computer at work,, It is a HP compaq tower and to save space when we set them up in offices we lay them on their side with LCD monitor sitting on top. This one pc would send the monitor into sleep mode and would only bring the monitor back up when it was rebooted but only for around 10-15 minutes before it would send the monitor back to sleep. however this pc would work fine when it was left standing upright. Any ideas as to why people.

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    topper
    Participant
    #234768

    Re: HP computer sending Monitor to sleep

    Maybe the Graphics Card is overheating and for safety the PC is shutting it down.

    Ensure all space around the desktop is cleared for good ventilation, also check that no internal cables are lying on the GPU fan etc etc.

    topper

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    J0K3R
    Member
    #249379

    Re: HP computer sending Monitor to sleep

    We use the onboard card ,, ventilation is good. To me it sounds like something is faulty on the motherboard. Really i wanted to see if there was anyone out there who had experienced this problem before.

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    J0K3R
    Member
    #249381

    Re: HP computer sending Monitor to sleep

    I’m tending to the hard drive being faulty now as ive found the whole system shutsdown well not like windows shuts down but the powersupply fans and and cpu fan and system fans all stop but the power light remains on.. Kinda freaky really. the system just locks up.

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    biggles77
    Spectator
    #203595

    Re: HP computer sending Monitor to sleep

    Try a voltage tester on the power supply. A drop in voltage could cause the problem you described. If the power supply is not proprietry you could try another unit and see if the problem still persists.

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    J0K3R
    Member
    #249382

    Re: HP computer sending Monitor to sleep

    heh yeah the first thing we did was change the power supply, however a change of motherboard seems to have fixed the problem,, lmao now it wont connect to the domain. im beginning to think it is demon possessed

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