![BasicITStuff on Twitter: "Today I booted the old family PC from 1990. Still working, cmos battery dead as expected.486, 16mb ram, 600mb harddisk. Definitely played some Dune2 and syndicate, probably doom and BasicITStuff on Twitter: "Today I booted the old family PC from 1990. Still working, cmos battery dead as expected.486, 16mb ram, 600mb harddisk. Definitely played some Dune2 and syndicate, probably doom and](https://pbs.twimg.com/media/EJL8LHcXkAA9enc.jpg)
BasicITStuff on Twitter: "Today I booted the old family PC from 1990. Still working, cmos battery dead as expected.486, 16mb ram, 600mb harddisk. Definitely played some Dune2 and syndicate, probably doom and
![The firmware has detected a CMOS battery failure accurred | F1 Continue, F2 to setup, how to fix it? - YouTube The firmware has detected a CMOS battery failure accurred | F1 Continue, F2 to setup, how to fix it? - YouTube](https://i.ytimg.com/vi/vYP16aGeeKw/maxresdefault.jpg)
The firmware has detected a CMOS battery failure accurred | F1 Continue, F2 to setup, how to fix it? - YouTube
![起動時に”The firmware has detected that a CMOS battery failure occurred.[F1]continue,[F2]to setup.”と表示され、Windowsが起動しない<Windows(R)7>|サポート|dynabook(ダイナブック公式) 起動時に”The firmware has detected that a CMOS battery failure occurred.[F1]continue,[F2]to setup.”と表示され、Windowsが起動しない<Windows(R)7>|サポート|dynabook(ダイナブック公式)](https://dynabook.com/assistpc/faq/pcdata/images2/012228a.gif)