Do not use this guide for other batteries.
This guide ONLY applies to coin cell rebuilds. Every laptop is different, so yours probably varies from the one this was pulled from. Liquid electrical tape is used to do this since it can be removed if something goes wrong. However, every visible area of the cell must be protected. The cell does not need to be covered 100%. This approach is somewhat error-prone, and can create the same issue if the tape fails. If a pre-built replacement can be purchased, it's better to replace it as the cost is similar. IMPORTANT: This procedure is only recommended for older notebooks which replacements aren’t common, or readily available. Hope this works for you, try at your own risk.If your laptop has a dead CMOS battery and the OEM no longer sells new CMOS batteries (and aftermarket ones are hard to find), it is possible to take the dead battery apart and replace the cell so your laptop holds the CMOS contents again. Machine booted into win 10 圆4 with new bios. Went into Bios, reenabled boot option I had previously disabled. On the next reboot Bios update started and completed.Īfter HBD options came up, opened XP and shut down normally. Left it for a minute - nothing seemed to be happening. I cant remember if there was another box confirming update but if there was I confirmed. In the cmd box type "Dell file name" /forceit.Ī box open up with option of updating Bios etc.Ĭlick yes to update Bios. Insert HBD on USB stick, start computer, boot from the XP option that comes up.įind the dell file on the USB stick, copy to XP desktop. This is the way I managed to do it using Hiren boot disk.ĭownload Hiren Boot Disk and create Hiren Boot disk on USB (Google this if you need to)Įnter Bios of latitude by pressing F2 key at startup.Įnable "start up" from USB and disable all other startup options. I tried most of the ways in the forums, which did not work. I had a Dell Latitude 13 (win 10 圆4) which I wanted to update the bios to A02. 
That's it, bios update should start now. Run InsydeFlash.exe in the same directory. Change parameter Batter圜heck from 1 to 0 or just leave it empty (this disables battery check during BIOS update preparation!), save. Open the file platform.ini with a text editor and search for the key "AC_Adapter". Save the contents of that temp directory somewhere (you can then close the error dialogue, the temp files will be removed). Users//AppData/Local/Temp), there should be somewhere a temporaryĭirectory containing the extracted files from the EXE file (for me it Navigate to your current users temp directory (e.g. Run the downloaded file, you will get an error like "No battery" or "Low battery", stay on the error dialogue (!). Download the BIOS update from Acer site (ZHK116.EXE). Just got through this "upgrade bios without battery" hell on my Acer E11.
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