Two laptops started dying within days of each other...

Both Acer Aspire running Windows 7 and 8GB of ram. Both had the "video card" replaced over a year ago. One has seen only a year of usage. The other has seen extensive usage for six years.
The very well used computer suddenly just quits and goes black. As though the overheat function killed it. Can't cruise net while playing Youtube vids.
The computer with only a year of usage gives a blank green screen and then nothing is possible. Sometimes a lot of vertical lines appear for a brief period. Can't even play a simple game of Monopoly on it.
Both issues seem to be heat related. But playing Youtube videos or Monopoly are not that taxing. Plus they both "gave up" within days of each other. Is a virus a possible culprit? I have a good malware removal program that is exercised frequently.
Is dust a possible culprit? I have never cleaned the insides of a laptop though I have read about it being done to make the laptop run cooler. How hard is it....normally?
Should I probably just budget for spending a couple hundred for another Windows 7 laptop? Not buying a new Windows 10. Had it with Microsoft surveillance techniques. Not just Microsoft but that is another story.
The very well used computer suddenly just quits and goes black. As though the overheat function killed it. Can't cruise net while playing Youtube vids.
The computer with only a year of usage gives a blank green screen and then nothing is possible. Sometimes a lot of vertical lines appear for a brief period. Can't even play a simple game of Monopoly on it.
Both issues seem to be heat related. But playing Youtube videos or Monopoly are not that taxing. Plus they both "gave up" within days of each other. Is a virus a possible culprit? I have a good malware removal program that is exercised frequently.
Is dust a possible culprit? I have never cleaned the insides of a laptop though I have read about it being done to make the laptop run cooler. How hard is it....normally?
Should I probably just budget for spending a couple hundred for another Windows 7 laptop? Not buying a new Windows 10. Had it with Microsoft surveillance techniques. Not just Microsoft but that is another story.
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Old ones cannot be cleaned from the outside, the fans pulls air through a heat sink which looks like a radiator, it can get entirely plugged up with lint.
Some laptops can use third party software to monitor fan speed and temperature, try that first (if your laptop will turn on.)
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https://duckduckgo.com/?q=Acer+Aspire+video+failure&t=ffcm&ia=videos
I had a (now decades old) Toshiba laptop that was known for LCD video hardware failures after a few years of use (needed a part replaced). I could plug an external monitor in and the video output was fine there.
-Bill
I am going to try cleaning. Three dogs and dirt roads equals plenty of dust and lint etc.
The fact that they both died consecutively makes me suspect some high tech malware that my excellent malware program misses. Been studying Israel and 9/11 if anyone is sort of into that. Once helped sponsor a 9/11 production. I'm the curious type...
Thanks for the efforts guys!
Also reports SMART status of hard drives
http://www.almico.com/sfdownload.php
http://www.almico.com/speedfan452.exe
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-Lister ,
Speedfan seems like a cool app. http://www.almico.com/sfdownload.php
This computer that turns itself off via the blackout goes to about 212F (as I recall) before shutting down. The cheaper 5552 goes to inoperable green screeen at about 190F as I recall.
Without a fan, there is no youtube, video game, perhaps no downloading I might guess. Down two functional laptops, it is time to get another.