Does computer losing power cause damage?

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  1. Matthew Wai's Avatar
    Posts : 5,101
    Windows 10 Home 20H2
       #21

    Improper shutdowns make it impossible for an HDD to park the RW head properly.
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  2. Posts : 1,401
       #22

    "...I backup all my other information (personal files) seperately on a flash drive.." Along with only making once a year full image. I hope you are copying personal files onto two twin flash drives, not just one. A usb flash drive can quit without warning at any time, rare, but it only has to happen once to [the universal] you. My two W7pro laptops get full image backups of respective OS partitions and data partitions bi-monthly if not weekly, two ext usb 1TB HDDs for OS partitions and two ext usb 1TB HDDs for data partitions, locked away into a tiny floor safe.
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  3. f14tomcat's Avatar
    Posts : 53,178
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #23

    Delly10 said:
    In the old days if you turned off your computer's power with the power button, or unplugged it, or took out the laptop's battery, you'd get a "Windows did not shut down properly" message when you turned it back on. The implication seemed to be that what you did was improper. We never see that message anymore, but there is still a proper way to turn off your computer. I assume it's for good reason.

    I've had a few instances, including once today, where the power was disconnected by accident. I accidently bumped the switch on the power strip my laptop is connected to while it was in sleep mode.

    Anyway, does this do any harm at all? If not, why is there the Shutdown option in the start menu rather than just having people simply press the power button to turn the computer off?
    If your lappy was asleep, and you bumped the power switch, no big deal. No big deal if it wasn't asleep. It's got a battery. I charge mine all the time with the lid closed and asleep. I know it's fully charged when it's cool to the touch. Then I pull the charging cable. Like flicking the switch.

    Today, almost all systems, Lap Top, Desktop, etc., have an ACPI power switch and circuits. Advanced Configuration and Power Interface - Wikipedia
    These allow the power switch to function exactly like the power off command or clicking shutdown. Only difference would be if you pushed in the power button and held it for a couple of seconds. That would do a hard power off without the system gracefully shutting down. Then you would get a "Windows did not shut down properly" message in Event Viewer and Reliability Monitor.
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  4. Delly10's Avatar
    Posts : 250
    Windows 10
    Thread Starter
       #24

    f14tomcat said:
    If your lappy was asleep, and you bumped the power switch, no big deal. No big deal if it wasn't asleep. It's got a battery. I charge mine all the time with the lid closed and asleep. I know it's fully charged when it's cool to the touch. Then I pull the charging cable. Like flicking the switch.
    My battery didn't help me in this case because I had it removed. I keep the battery out when I'm running it on electricity because having the battery installed while plugged in charges the battery, and I've heard that a battery lasts longer when it's not charged up to 100% all the time. So I charge it up to about 80% and then take it out.

    Now, if there were a setting that stopped the charging even with the battery installed, I'd use it. But after looking up that subject, it doesn't seem to be an available feature.
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  5. f14tomcat's Avatar
    Posts : 53,178
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #25

    ok. Was not aware the battery was removed.

    Maybe you could look into a small UPS system. They are getting more popular, and cheaper. One to handle just your lappy and maybe and external monitor (they are popular, too) would be inexpensive. You know your specs and needs, look on Amazon for ideas. I have a 900+KVa one to handle all my stuff, but that's overkill for you, probably. Just a thought.
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  6. Bree's Avatar
    Posts : 18,744
    10 Home x64 (20H2) (10 Pro on 2nd pc)
       #26

    Delly10 said:
    ...I keep the battery out when I'm running it on electricity because having the battery installed while plugged in charges the battery, and I've heard that a battery lasts longer when it's not charged up to 100% all the time. So I charge it up to about 80% and then take it out.

    Now, if there were a setting that stopped the charging even with the battery installed, I'd use it. But after looking up that subject, it doesn't seem to be an available feature.

    Your specs say you have a Dell laptop, but not which model it is. Almost all modern Dell's have settings in the BIOS to manage battery charging and extend battery life, This article shows how to set a typical Dell bios to extend battery life.

    How to Get Longer Life Out of Your Dell Laptop Battery | b3n.org


    Dell also provide utilities to adjust those settings from within Windows. See if either the 'Dell Power Manager' or 'Dell Command | Power Manager' has your model in their 'compatible systems' list.

    Dell Power Manager is an application that allows you to maximize the battery life of the system by configuring how the battery should be maintained based on your personal preferences.
    https://www.dell.com/support/home/en...driverId=h2vh9

    Dell Command Power Manager is an application that allows you to extend the battery life of the system. You can configure how the battery is maintained based on your personal preferences.
    https://www.dell.com/support/home/en...7440-ultrabook
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  7. Delly10's Avatar
    Posts : 250
    Windows 10
    Thread Starter
       #27

    Bree said:
    Your specs say you have a Dell laptop, but not which model it is. Almost all modern Dell's have settings in the BIOS to manage battery charging and extend battery life, This article shows how to set a typical Dell bios to extend battery life.

    How to Get Longer Life Out of Your Dell Laptop Battery | b3n.org


    Dell also provide utilities to adjust those settings from within Windows. See if either the 'Dell Power Manager' or 'Dell Command | Power Manager' has your model in their 'compatible systems' list.

    https://www.dell.com/support/home/en...driverId=h2vh9

    https://www.dell.com/support/home/en...7440-ultrabook
    Here are my computer specs:
    Device name DESKTOP-T1U7VSKProcessor Intel(R) Core(TM) i3-4030U CPU @ 1.90GHz 1.90 GHzInstalled RAM 6.00 GBDevice ID 9D87531D-5A83-414A-BB2A-A9943F9E995DProduct ID 00325-80409-88884-AAOEMSystem type 64-bit operating system, x64-based processorPen and touch Touch support with 10 touch points

    I clicked on the first link you provided and the screenshot there looked like what I'd want, but I can't find it on my own laptop. I even did a google search for it and got nothing. The closest thing was under Settings, system, Battery. There I find something called "Battery Saver" which is switched off and not highlighted which means I can't switch it on. I thought maybe it was because my battery was out, so I put it in and it didn't change anything.
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  8. Bree's Avatar
    Posts : 18,744
    10 Home x64 (20H2) (10 Pro on 2nd pc)
       #28

    Delly10 said:
    Here are my computer specs:
    Device name DESKTOP-T1U7VSKProcessor Intel(R) Core(TM) i3-4030U CPU @ 1.90GHz 1.90 GHzInstalled RAM 6.00 GBDevice ID 9D87531D-5A83-414A-BB2A-A9943F9E995DProduct ID 00325-80409-88884-AAOEMSystem type 64-bit operating system, x64-based processorPen and touch Touch support with 10 touch points
    That still doesn't tell me the model, which we need to know to give specific advice. The model should be on a lable under the laptop, or can be seen in the System Information app, as my Dell Latitude E7440 is shown here...

    Does computer losing power cause damage?-dell-sysinfo.png

    As you have a 4th gen Intel processor as I do, then your Dell is about the same age as mine, or a little newer. You should have full control of battery charging in the BIOS settings, as I have.


    I clicked on the first link you provided and the screenshot there looked like what I'd want, but I can't find it on my own laptop.

    The screenshots in that article are of the BIOS settings pages. No, you won't find that anywhere in Windows. You need to restart the laptop then press F2 as soon as you see the Dell logo to go into the BIOS settings.
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  9. Delly10's Avatar
    Posts : 250
    Windows 10
    Thread Starter
       #29

    Bree said:
    That still doesn't tell me the model, which we need to know to give specific advice. The model should be on a lable under the laptop, or can be seen in the System Information app, as my Dell Latitude E7440 is shown here...

    Does computer losing power cause damage?-dell-sysinfo.png

    As you have a 4th gen Intel processor as I do, then your Dell is about the same age as mine, or a little newer. You should have full control of battery charging in the BIOS settings, as I have.





    The screenshots in that article are of the BIOS settings pages. No, you won't find that anywhere in Windows. You need to restart the laptop then press F2 as soon as you see the Dell logo to go into the BIOS settings.
    I have an Inspiron 5558. That's what it says above the part I copied/pasted. There is no label on my laptop's bottom.
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  10. Bree's Avatar
    Posts : 18,744
    10 Home x64 (20H2) (10 Pro on 2nd pc)
       #30

    Delly10 said:
    I have an Inspiron 5558....
    Restart and press F2 as soon as you see the Dell logo to enter the BIOS setup. You should see something similar to my Latitude E7440 under the Power Management section (click the + sign to expand the section).

    Does computer losing power cause damage?-dell-e7440-battery-bios-settings.png

    Alternatively, download and install the 'Dell Power Manager Lite Application' from Dell, it can be found on Dell's support page for the Inspiron 5558 on the Drivers & Downloads tab.


    https://www.dell.com/support/home/en...laptop/drivers
    Does computer losing power cause damage?-image.png

    Or here: https://www.dell.com/support/home/en...15-5558-laptop

    Screenshots and discussion on its use here. the Custom setting would seem to fit your needs:

    https://www.dell.com/community/Inspi...g/td-p/7278455
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