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Recently, my Lenovo Edge E545 (16GB + lots of spare space on my SSD) began to take a few minutes to startup. AFAIK, I didn't change anything, but after the initial BIOS display, the screen goes blank for almost a minute before the GRUB screen shows.
And then, when I press the arrow to make a selection, it takes about a ½ second to move to each selected line.
As well, if I add a default timer to GRUB, the countdown shows the second-counter decrementing each (approx) SIX seconds. Afterwards it takes about 1-2 minutes for either Windows or Linux to boot.
After that, the chosen OS "seems" to run at speed, but perhaps it's just wishful thinking.
I can provide (parts of) a CPU-Z listing here if asked.

aqk
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  • Addentum- Note that I configure GRUB2 thru Daniel Richter's "Grub Customizer" and use the default font. – aqk Aug 16 '21 at 18:56
  • In my observation, GRUB Customizer tends to make a mess of things. What version Ubuntu... or is this something else? – heynnema Aug 16 '21 at 19:49
  • Some slow boot issues to review: https://askubuntu.com/questions/1284302/is-it-possible-to-make-ubuntu-20-04-boot-faster This shows approx boot time: systemd-analyze and first few lines may show issues: systemd-analyze blame or sudo egrep -i 'warn|error' /var/log/*g If longer then just the errors. I get a few warnings & errors that are not critical. – oldfred Aug 17 '21 at 03:56

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It's a bit late to reply, but- PROBLEM SOLVED! It took TWO MONTHS for Amazon to deliver a 2032 coin-cell + wire and plug from China.
As soon as this was installed in my Lenovo, the slow booting was fixed!

Earlier, I tried jury-rigging my own 2032 battery (99 cents for TWO at the dollar store), but presumably my connectors on it were not adequate. So a $12 battery with plug (official Lenovo) from China fixed this. Why not order locally? Well, the Lenovo (North-America) battery was $19 !! It's just a common 2032, for pete's sake!

aqk
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