if the backup battery is original. that's the likely culprit.. also..it's going to leak.. if it's not already leaking.. replace it or clip it off the board
On Sat, Oct 17, 2020 at 9:09 AM Charles Hudson <[email protected]> wrote: > Following up on this issue: Not being sure how the recharge circuit for > the memory backup battery works, I plugged in the AC adapter and left the > computer power switch in the ON position for 24 hours, then tested to see > if the battery was charged. In multiple attempts there was one instance > where cycling the switch from OFF to ON resulted in a proper boot-up and > menu display. > > Subsequent attempts all failed, however. Thinking this may have been due > to a marginally-charged backup battery, I left the machine connected to > the AC adapter for another 24 hours, this time with the switch in the OFF > position. > > When I turned the machine ON for the first time it booted to a menu. I > selected BASIC and that loaded. I entered a small for-next program and ran > it. I saved the program and returned to the menu, where I selected it > again and it ran. I returned to the menu again and powered down. When I > turned the machine ON again nothing came up. > > So far I know nothing, in other words, other than that the machine is > capable of booting, but does not do so consistently. Next question is > why. Could be the backup battery is low, could be the crystal won't start > reliably, could be a flaky power switch. Probably is none of the above. > > -CH- > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> > <#m_-4182803861493036851_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >
