Battery not charging after os installation EVO N160 C
While reinstalling OS in EVO N 160C, the main power through power adapter got disconnected in spite of the warning. Again I tried fresh OS installation. OS was installed without any problem. All the softwares and hardwares are working properly. Battery has the back up for 3 to 4 hours. the same battery is working in other laptop properly. but this laptop it shows only 0%. I think the problem is in laptop only. But laptop detects the battery properly while removing and connecting. Measurment of voltage maty be wrong.
1. battery problem after os installation.
2. Laptop detects the battery but showing only 0%
3. Same battery works in other Laptop of same model well.
4. Suggest me how to carry out the calibration of battery.
5. Pls suggest me if the problem is because of some other reason.
Looking for your reply
Re: Battery not charging after os installation EVO N160 C
Lithium Ion batteries aren't something that you can really calibrate unless the laptop has a utility in the bios to do so (ASUS laptops). You either have a motherboard related malfunction in reporting the battery life as you say it does report in another laptop, or you need to update the ACPI driver which you can get from the manufacturer's website.
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I have noticed exactly the same issue with my Sony XDR-S55DAB
Even if it has batteries installed but only working off mains electricity, after several months it will not start when the power button is pressed and I have to replace the batteries.
The radio will work again if you just replace the batteries with fresh ones
Try this next time the batteries go flat; disconnect the radio from the mains, replace the batteries with fresh ones, and leave for a couple of minutes (you do not have to switch on!).
You can remove the batteries if you like then reconnect the mains cable and press ON
If your radio behaves exactly the same as mine, it will spring into life so how come?
In the "olden days" ie pre-2000, small portable radios often had a physical switch which connected and disconnected the power supply be it battery or mains.
Nowadays, many radios don't have a "proper" switch, but a "function" button - press it on, and the radio operates, press it again and the radio stops - to enable this, a very small amount of charge is required to keep the central "brain" alive in order to notice this, and in the case of the Sony XDR-S55DAB, this only seems to be supplied by the battery, not the mains adapter.
My advice is simply keep a spare set of batteries handy and replace them whenever your radio wont turn on. Using the mains adapter allows the batteries to lastfar longer than using the batteries on their own.
It is completely counter-intuitive that a "battery/mains" radio needs batteries to work off the mains, but this is the only design fault can find in an otherwise excellent radio.
Hello All; I used to have these same problems. I replace my BIOS battery, which I know was dead, because all settings get reset when I unplug the power and remove main battery. You might not have to replace it if its still good. Back to the main battery problem, You have a good change of solving this by going into BIOS, and under Tools there is a Battery Calibration option. Do the calibration for the main battery and-or other optional batteries attach and it will most likely solve the problems. This calibration process will take a long time; 1-charge, 2-discharge, 3-recharge, so leave it over night or however.
There was a mention of updating BIOS. This could solve the problem too, because BIOS controls the charging unit. Also, make sure you have Compaq Power Management install on your OS, (download at hp.com).
One note: it will not charge if the battery is about 93% or higher. 93 is not exact, but close to 90%. so test by discharging to below 90% and it will start charging again.
If anyone tries this, leave a post of your success or failure.
First remove the battery and run only on the adapter... If it works fine then there is no problem with adapter...... Charge the battery continuously for 4 hours without seeing the percentage of charging and remove the adapter..... If the laptop runs on battery for 45 mins then it might be the problem with drivers..... Go to device manager and reinstall the drivers if it is less than 45 mins.... Reinstall the drivers either ways...... If still the problem persists.... Go to HP.com and and select software and driver downloads and give the product number.... select the OS... Select HP battery check.... Download the file (sp32299.exe) and click save.... Save file onto the desktop and close the site..... Run the exe file.... If it passes the battery is fine... If fails replace the battery....
The steps might be longer..... But i can assure that it will work
When you connect the power adaptor to the mains and to the laptop and when you turn on the main s the power light should normally glow or else the adaptor id faulty.
Try removing the laptop battery and plug it again as sometimes due to jerks there is a loose connection .