My laptop turns off without any reason

After I turn on my laptop it works fine for 25-30 minutes and after that just turns itself off without any warning. When I turn it on again, it works for some time and then shuts down again. What is going on? How can I fix it?

Most likely you experience a laptop overheating problem and it would be fixed by cleaning the cooling module – the heat sink and the fan. The notebook processor produces a lot of heat when the notebook is turned on. The cooling module helps to keep the CPU cool when the laptop is working. The cooling module includes two parts: the heat sink and the cooling fan. The heat sink is attached to the CPU and helps to conduct the heat from the processor to the radiator. The cooling fan blows on the radiator and helps to disperse the heat produced by the CPU. The laptop will overheat if the heat sink radiator is clogged with lint and dust or if the cooling fan stopped spinning.
If your laptop shuts down after some time without any reason and warning, check if the cooling fan spins. Usually it makes some noise and you can hear it. If the fan works fine, then check if the heatsink is clogged. In some cases you can clean the heat sink with compressed air, just blow inside the fan openings on the laptop bottom. If the heatsink is completely clogged, then it is necessary to remove the heatsink for cleaning.

173 Responses to “My laptop turns off without any reason”

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  1. 150
    P. J. DORAN Says:

    My LENOVO 3000N100 was shuting off on it’s own. I took the fan out by removing 3 screws. I noticed sme corosion on the screws. I cleaned the corosion off the screws and replaced the fan and the screws. I also wiggled the connection from the fan to where it connects to the board. I also some Dust Remover in a can and used it on everything that was exposed after I took the cover off. I booted up the computer and it seems like it is working OK now. I am keeping my fingers crossed and I hope this takes care of it. Also I took the battery out and unhooked everything before I did the above. I hope this helps somebody, if so, please reply because I would like to know if it helps someone.

  2. 149
    lad Says:

    If u lie in bed with ure laptop for a while and it is sinking in to the douvey it overheats so if that happens put it on the desk and let it cool down and turn it on after 2 mins or so

  3. 148
    Oliver Says:

    my laptop turned off randomly but i thought it just needed charging so i turned it off and left it on charge. When it had charged i turned it back on and it said on the screen there is a problem with my battery so my computer might shut down suddely and that i should replace the battery ??

  4. 147
    shailesh Says:

    when i started my laptop after 2-3 min or20 min its switch off i already clean for the cooler fan and heat sink.then again same problem came.tell me the solution…..

  5. 146
    Liam Says:

    Thanks I just took out the biggest ball of fluff iv Eva seen lol now computer running so well

  6. 145
    Lianne Says:

    i had a laptop that used to turn off whenever you moved it – turned out the processor was loose. once all the screws were tightened, you could shake it hard and it would still be on!

  7. 144
    Manav Says:

    Read this before you continue

    http://support.dell.com/support/edocs/systems/ins1525/en/SM/before.htm#wp1180036

    here is the solution for that…
    http://support.dell.com/support/edocs/systems/ins1525/en/SM/cpucool.htm#wp1179839

    do it at your own risk….
    if any quiries PM me….
    manavsharma611 AT gmail DOT com

  8. 143
    Tracy Says:

    I found this site because I am trying to find a computer for my son for Christmas and I wanted to see if I need to upgrade the RAM on his PC or if it is something else that causes my laptop to shut down when he plays games on it. I have a Dell Inspiron 1525 and it shuts itself off and reboots when it feels like it. Seems to be no rhyme or reason to it. It happens all the time when my son is playing online games, so I assumed the 3G RAM is just not enough to run the graphics. However, it has shut off and rebooted itself on me while using Excel so it is obviously not internet graphics. After reading all of these posts, it appears this is a common laptop issue?? I have it on a cool pad and my system check says the fan is running as it should. Is this a common problem with laptops? Would love an answer before I spend a couple hundred extra trying to upgrade RAM on the computer I am buying him if that is not the reason for my shutdowns.

  9. 142
    ollie Says:

    my laptop keeps loading the hole time and the memory is not even neer full can anybody help me out

  10. 141
    surendar Says:

    i have acer laptop with AMD processor, i am using windows 7 os. nowadays my laptop automatically shut down without any intimation even it have 20-30% charge. what is the reason for this? how can i resolve this?

  11. 140
    Asia Says:

    Okay I have a Toshiba Satellite A205-S5000 series and I updated my program from Vista Home Premium to Windows 7 ultimat about 3 months ago. Everything was working okay, it updated properly, after a week it started shutting off randomly. I looked on different website and they said it might be the fan so I cleaned that and the heat sink as well, I did that about a week ago. The Computer is still shutting off so I decided to put the computer on safe mode with networking and everything is working fine and has not shut off on me, but i don’t want to operate in safe mode forever. What do I need to do to make it stop shutting off.. This is not an overheating problem.

  12. 139
    SUMAN Says:

    Hello!
    My DELL VOSTRO A840 also switching off on its own anytime .I got the Fan Unit Cleaned but Diagnosys run gives FaN SPEED LOW . What is the solution ? Change the Fan or Mother Board ? What cotrols the speed ?

  13. 138
    Deanna Says:

    I have a gateway FX and one day I returned to my laptop to finish some homework and it had frozen. I figured it was normal because I had kept it on for a while (just a few hours, nothing running, just open and on my desktop screen) sitting on the table and it’s done this before. So I restarted it but it wouldn’t load past the green loading bar..I let it sit like that for almost 5 min and nothing happened. So I tried rebooting it, again, and nothing. So I shut it down and pressed f7 to allow me to select safe mode with networking, and it works just fine. Kind of lags and freezes a bit, but other than that it was working fine. Then suddenly later that night it just started shutting down by its self. I thought it was the battery, so I plugged it in and it still shut down after 3-4 min of running. I have an anti-virus always running and always alerts me when somethings trying to harm my computer. Also I don’t download much, but I had just installed Fallout New Vegas on Steam, and updated my quick time player. My video card also has had some problems in the past; it would randomly make my screen black and white, but easily fixed by going to nvidea.com and updating the file. Not sure if that has anything to do with it, but thought it shold be included. My friends think it’s either a virus, or an overheating problem, or both. So I’m not too sure what to do. Please help!

    Thanks, Deanna

  14. 137
    INDRANIL Says:

    my laptop turns of automatically after 30 mints for the 1st time,and after turning on for the second tim,it wil remain turning on for 10mnts,aftr that 5mnts….whts the prob???

  15. 136
    Aiden Aston Says:

    As well as cooling fan issues they’re can be power faults. Its best if you open it up and check that nothing is damaged – Mine was doing it and all the motherboard had cracked somehow (WARNING: PLEASE FOR THE LOVE OF JESUS DON’T OPEN IT IF YOU DON’T KNOW WHAT YOUR DOING. I WILL NOT BE HELD RESPONSIBLE) also had connection problems on the solder. Just check it out.

  16. 135
    Mibble Says:

    Toshiba M35X-s3112 screen went blank and appears to be in hibernate. I removed battery, ac adapter, tried all the ‘tricks’ published on various sites.
    Turning on power bios used to access dvd, now nothing. Screen is completely blank. Changed memory removed memory, no error codes via sound. fan comes on as it should when starting then it turns off as usual as the laptop is not hot. I have disassembled. not much dust inside machine at all. have connected to monitor still nothing. Does not appear to be hibernate switch. I had been using the laptop and was clicking on an icon when the screen went black.

  17. 134
    confused Says:

    My laptop turns off seemingly randomly but 95% of the time it turns itself back on again. Most of the time, it won’t make it all the way through a boot before it turns off again and on.
    Here is what i have tried but has not solved the problem

    1. As mentioned above, i opened up my laptop to clean out all the dust.

    2. Wiped my HDD, set to factory condition, formatted and reinstalled O/S from Manufacturer.

    3. Wiped my HDD with Manufacturer provided program and reinstalled O/S.

    4. Ran computer with power adapter plugged in until battery at 100% then unplugged. Worked for a few weeks. Then it didn’t.

    5. Charged battery to full with computer off, unplugged and turned on.
    6. Charged battery to full with computer off, kept plugged in and turn on.

    7. Removed battery and plugged in adapter.
    Just when i thought i’d figured out that it was the power adapter, my laptop turns off without the adapter plugged in.

    8. Ran computer and played game. Power adapter plugged in. Accidentally hit alt tab and returned to windows. Too slow to return to game. Turned off and on. Repeated, intentionally hitting alt tab, waited and turned off but not on occasionally.

    I was going to try my spare battery but I’ve misplaced it so i’d like to exhaust all my options before i go out and purchase a $140 battery, or a $60 laptop power adapter.

    I’m starting to think i have a short somewhere or didn’t clean well enough.

    My technical trouble shooting skills are average.

    Can someone please help me?

  18. 133
    Ari Says:

    My Acer laptop shuts down when I move it, anything I could do without going to a tech or do I need to get something changed? Thanks if you can help.

  19. 132
    cire Says:

    i have the same problem. my laptop is an old model of 7years old toshiba satelite. when i turn on my laptop it automatically turns off without the bios it is full black like it was when it is shutdown or not in used. i have to charge it and open the lcd for an hour or days. the first thing that i discoverd is the sound, a soound like click coming from the hdd just a guess and fan doesnt seems to be work.

  20. 131
    barry Says:

    i have a hp notebook laptop andit turns off when i go on the internet what could this be ?

  21. 130
    Charlie Says:

    I have a macbook and am really frusturated when I close it because it goes into sleep mode but when I hit the key pad and even the keys nothing happens.

    I have to re-start it and THEN it tells me I didn’t shut it down right – well no kidding if I couldn’t get it to come out of sleep.

    Anyone have this trouble?

  22. 129
    Andy Says:

    My Lenovo Thinkpad T400 turns off when I close the lid. I double-checked the settings and it is set to sleep on close. When I restart it it says that it was not shut down properly. I checked and this happens if i just shut the lid and open it again right away.

    I am running Vista Home Premium.

    Thanks

  23. 128
    Laptop Freak Says:

    Nick,

    I have Advent 7104 laptop. It starts OK, runs OK, after about 10 mins it locks up for about 1 sec then it shuts off. I turn it back on it then last for about 2 mins and turns off again

    I have completly stripped the laptop, cleaned the fan & heatsink, still the same

    Can you see the cooling fan working? Maybe the fan is bad and the laptop shuts down because of overheating.

  24. 127
    Nick Says:

    Hello Laptop Freak,

    I have Advent 7104 laptop. It starts OK, runs OK, after about 10 mins it locks up for about 1 sec then it shuts off. I turn it back on it then last for about 2 mins and turns off again

    I have completly stripped the laptop, cleaned the fan & heatsink, still the same, I have even amended the registry to see if there is a report in the event log, but nothing shows.

    Any ideas?

    Cheers,

    Nick

  25. 126
    fariz Says:

    After I turn on my laptop it works fine for 20-35 minutes and after that just turns itself off without any warning. When I turn it on again, it doesn’t works at all.What is going on? How can I fix it?

  26. 125
    David Dawe Says:

    Hi
    Tried compressed air, doesn’t help,added a fan unit under laptop,does not help.
    How do I get at the CPU heat sink?
    Have a emachine laptop M6811
    appreciate your help

    Dave

  27. 124
    Laptop Freak Says:

    Aamir,

    My laptop turns off when im on certain games.. like habbo uk people are saying its about the fan and the heat sink how do i clear the fan ?

    Buy a can of compressed air or even better find an air compressor and spay air inside the fan grill on the bottom of the laptop. This will remove mode dust from the fan and heat sink.

  28. 123
    Laptop Freak Says:

    Aamir,

    My laptop turns off when im on certain games.. like habbo uk people are saying its about the fan and the heat sink how do i clear the fan ?

    Buy a can of compressed air and spray it into the air intake on the bottom of the laptop until all dust is gone. After that spray air into the fan grill on the side.

  29. 122
    Aamir Says:

    My laptop turns off when im on certain games.. like habbo uk people are saying its about the fan and the heat sink how do i clear the fan ?

  30. 121
    Declan Says:

    my lap top switches OFF whenever I ask to do something too complicated. for example, I watch a video and do not like it so I stop it and click on another one, ater a few seconds power goes OFF.
    I and whenever I switch ON again, the laptop may reboot totally or it may not.. best to leave it for several hours then start again… but take it easy. last time it caused problem was due to pics in the email not as attachment then when I finally was able to get laptop working again, tried to delete that email , laptop switched OFF ,

    only cure I have found so fat is to re-install everything from the start……..but …. it happens again when the “load” get to be too much for it…

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