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Dub Specialist Sound View Drop Down
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    Posted: 22 November 2017 at 2:47pm
Laptop sometimes ie once or twice turns itself off a day

scrren goes all diffrernet colours when it does this, ie green blue pink brown ect which ever colour it goes

is the laptop on its way out?

any body have any ideas

thanks


Edited by Dub Specialist Sound - 22 November 2017 at 2:48pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote odc04r Quote  Post ReplyReply Direct Link To This Post Posted: 22 November 2017 at 4:33pm
Probably going to be hardware, possibly the display adapter. Could well be getting too hot inside. Check your internal temps using one of the many free programs out there and hoover all the fan intakes out as much as possible. Could also be a dead or not spinning fan causing it all to get too hot. Might have to open it up and check it all out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote concept-10 Quote  Post ReplyReply Direct Link To This Post Posted: 22 November 2017 at 5:34pm
I may be wrong but I had a laptop that did exactly what you are saying, a friend said get a new power supply, I reluctantly did and it never happened again.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 23 November 2017 at 2:00am
Big thanks all

yes tbh it is getting rather hot ive noticed lately

thanks for the replys


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Post Options Post Options   Thanks (0) Thanks(0)   Quote jammin75 Quote  Post ReplyReply Direct Link To This Post Posted: 23 November 2017 at 6:25am
it run cooler at 8 ohm !!  LOL
feel the vibes !!!   "Who Feels it Knows it"            Strong like Lion              
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Post Options Post Options   Thanks (0) Thanks(0)   Quote odc04r Quote  Post ReplyReply Direct Link To This Post Posted: 23 November 2017 at 11:19am
Almost certainly heat then, seen the same graphical effect on desktop PCs when the CPU cooler was badly mounted. It'd die just like that with odd graphical artifacts when under load.

Pop it open, check the fans aren't seized or dead, and give it a good clean out!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slaz Quote  Post ReplyReply Direct Link To This Post Posted: 23 November 2017 at 10:16pm
What make is it ? If its a "major" manufacturer like HP/Compaq or Dell (and possibly Lenovo) - get the hardware maintenance manual - it'll tell you how to disassemble properly.

If there's no official take-apart guide, look on youtube - quite a few there - some good, some not so ....

Then you can check the fan and airflow situation. If there's significant dust/fluff/general gunk in there - carefully clean it out. Its also often worthwhile to renew the heatsink paste, as over time that wil dry out and become less efficient at thermal transfer from CPU to heatsink.


Also - worth noting - if there are air intakes on the bottom panel - make sure they're not blocked when using the machine (can happen if you use it on a soft surface like sofa, bed etc.)

REMEMBER....POLITICIANS AND DIAPERS SHOULD BE CHANGED OFTEN AND FOR THE SAME REASON
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 24 November 2017 at 12:08am
Thanks all 

great advise all that



jammin LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nickyburnell Quote  Post ReplyReply Direct Link To This Post Posted: 24 November 2017 at 3:15pm
Artifacts like that on screen are nearly always ram. Ram on the graphics if it is separate, internal if shared. Yours appears heat related, some old DV HP's did this as a design fault.1st Gen i5/i7 notorious for heat, is it old?  Blow it out by using your mouth over side vent blowing backwards (with it off). If tons of fluff you need to dismantle and there will be ack stuck over the fins between fan and exit. Check RAM seated in properly.
 If it's all clean is the fan running a lot? If so you have to find the process that is causing this?
What O/S is it on, 7/8/10?
 Bad charger: Never seen this but there is always a first.
 Constant overheating to the point in question will mess up the board chipset and CPU in the end.

It's everything, not everythink!
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