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Lenovo Laptop keeps turning off - need advice

Discussion in 'Hardware' started by OM2, Sep 14, 2017.

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  1. OM2

    OM2 Thread Starter

    Joined:
    Oct 28, 2007
    Messages:
    774
    I have a Lenovo laptop.
    Turn it on, use it, all OK.
    Then without warning, it will just turn off.
    Turn it on again and it shuts off within a minute or 2.

    I suspect over heating somewhere. I've tried opening and cleaning the fan. I don't think I did a good enough job. I didn't take out the main fan, I opened up enough to expose and got a hoover to suck. It didn't suck anything I could see! I tried gently scraping the white dust off and then hoovering again.

    Turned on laptop. All OK!! 30 minutes later - same thing.

    Bottom of laptop appears to be hot.

    Any ideas on what I should be doing?

    Thanks!
     
  2. Tabvla

    Tabvla

    Joined:
    Apr 10, 2006
    Messages:
    2,495
    To test if it is an overheating issue, try the following....

    Get 4 equal size blocks of something suitable and place a block at each corner of the Laptop so as to enable airflow underneath the machine. Does that seem to make any difference..?

    T.
     
  3. OM2

    OM2 Thread Starter

    Joined:
    Oct 28, 2007
    Messages:
    774
    Recently updated: yes - always keep updated.
    (Laptop is old - but still super fast P5 2.5Ghz and 4MB RAM)

    Plugged in are monitor and keyboard and mouse - nothing else.

    disk check scan and an sfc scan - how do I run these?

    @Tabvla
    >> Get 4 equal size blocks of something suitable and place a block at each corner of the
    >> Laptop so as to enable airflow underneath the machine. Does that seem to make any difference..?
    GENIUS IDEA! I was actually going to try this, hadn't got round to trying yet.
    The laptop should be OK as is though - always was OK previously.

    Apart from cleaning fan (which I need to do properly)...
    What else should I check for over heating?
    Thanks.
     
  4. DavisMcCarn

    DavisMcCarn

    Joined:
    Aug 17, 2005
    Messages:
    870
    HWMonitor is a free program that will show you what the temps are:
    https://www.cpuid.com/softwares/hwmonitor.html
    If any of the temps are above about 85 Celsius, it is overheating. Generally, using a can of blow-off to blow in through the cooling vents on the side(s) and/or back of the laptop will blow the dust out of the cooling assembly. Cleaning the fan is only half of it.
     
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