then requires to upgrade the BIOS. About BIOS upgrade problem tends be easier than BIOS downgrade, because risk of downgrade usualy get fatal error for your machine, so often happens machine totaly off. BIOS upgrade more easy because lot of software in internet you can download and use.
case ...
1. Check the batry connector and clean it then plug again
2. unplug the batery from your laptop for 1 hour then plug again after 1 hour
3. If step 1 and 2 not work's try to upgrade your BIOS with sofware you can download in download button below
4. if step 1 until 3 not work. Come to dell dealer and tell the enginer
Keyword:Bios upgrade,bios dell inspiron,bios downgrade
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