Dell laptop says locking then shuts off
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Home ▸ Locking and Unlocking Your Windows 10 Computer If you’re working on a document and have to leave your computer for a little while, you can protect your work by “locking” your computer. Locking your computer keeps your files safe while you are away from your computer. A locked computer hides and protects programs and documents, and will allow only the person who locked the computer to unlock it again. You unlock your computer by logging in again (with your NetID and password). Locking Your Computer
Note: Any applications, files, Web pages, or other windows you opened before you locked your computer will remain open while your computer is locked. Unlocking Your Computer
I have a Dell Inspiron N7110 (17R) and it's getting quite old (almost 8 years old now) but I want to keep it going as long as I can. About 2 months ago, it started freezing/locking up while gaming. The mouse couldn't move, the screen wouldn't change and there was no audio (no loops or such). The regular things like alt-F4, ctrl-alt-del, winkey and alt-tab don't work either. The only option is to shut it down by unplugging or with the power button. Since then, it has gradually gotten more frequent, even while not gaming or doing anything with the laptop, although chances of freezing rose with the demands of the programs that were running (games>youtube>text editors >idle).
Now it just freezes ~1 minute after booting, then shuts down by itself (since the last reinstall of windows). WHAT I TRIED
■ some other stuff I can't remember, I've tried a lot of things in the past 5 weeks
I'm starting to run out of ideas and need your help guys. Thanks.
check the HDD with its manufacturer tool run memtest.org (usb autoinstaller) Install all drivers from the Dell support site if possible Check the temperature in BIOS
check if the HDD sits tightly connected, as well as the RAM (remove and reinstall) and CPU/GPU cooler
With Windows 10, you don't simply reinstall it, if it gives you an issue and you need to reinstall the OS, you should recreate your bootable installer using Windows Media Creation Tools with the latest update onboard. Then you should make sure your laptop's BIOS is up to date. Since the laptop was purchased, did you have to replace the HDD?
When disassembling the laptop, did you replace the TIM with a fresh application on the cooler assembly after cleaning the fans?
check the HDD with its manufacturer tool run memtest.org (usb autoinstaller) Install all drivers from the Dell support site if possible Check the temperature in BIOS
check if the HDD sits tightly connected, as well as the RAM (remove and reinstall) and CPU/GPU cooler
I'll try installing windows the way you suggested it today/tomorrow. I can't update the BIOS since I don't have a battery in the laptop but it's up-to-date, I checked it.
I didn't replace anything in the laptop yet. Could it be a hard drive issue even though the tests concluded that it's fine?
I did reapply thermal paste but I might have gotten it wrong. Would this create a permanent damage or can I just pull the laptop apart and make sure it's applied correctly?
Thanks for your quick answer. I'll post updates after installing windows or reassembling the laptop.
It sounds like years of running the computer hot has taken its toll on your motherboard. .ie. solder worn away, cpu cooked etc. If you can get it to run for a bit of time use cupid hwmonitor and see what kind of temps you are getting.
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