Dualboot gone after windows 10 hibernate/sleepon laptop

Ozne

11/22/22, 8:23 PM

I have a new XPS laptop with Kubuntu 18.04 installed together with win 10. Everything worked fine until I let it accidentally go to sleep/hibernate (I left it unplugged). Now it only boots windows. I have seen some articles for restoring GRUB. Is that what I should try ? Suggestion for a good tutorial (the ones I've seen were a bit confusing). Any suggestions/changes to windows to stop it from happening again ?

Update : I ran bcdedit /enum in win 10 and got the following :

C:\Windows\system32>bcdedit /enum

Windows Boot Manager -------------------- identifier {bootmgr} device partition=\Device\HarddiskVolume1 path
\EFI\Microsoft\Boot\bootmgfw.efi description Windows Boot Manager locale en-US inherit
{globalsettings} default {current} resumeobject
{cf1ac661-823e-11eb-b9f9-863c9ff808a6} displayorder
{current} toolsdisplayorder {memdiag} timeout 30

Windows Boot Loader ------------------- identifier {current} device partition=C: path \Windows\system32\winload.efi description Windows 10 locale en-US inherit {bootloadersettings} recoverysequence
{00cd607f-823f-11eb-b9f9-863c9ff808a6} displaymessageoverride Recovery recoveryenabled Yes isolatedcontext Yes allowedinmemorysettings 0x15000075 osdevice
partition=C: systemroot \Windows resumeobject
{cf1ac661-823e-11eb-b9f9-863c9ff808a6} nx OptIn bootmenupolicy Standard

And it looks like GRUB is gone. This answer on Slashdot (look at the last one) seems to indicate a way to prevent win from doing it again.

0 + 0

dual-boot

suspend

hibernate

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: Dualboot gone after windows 10 hibernate/sleepon laptop

TH: Dualboot หายไปหลังจากแล็ปท็อป windows 10 ไฮเบอร์เนต / สลีป

RO: Dualboot a dispărut după Windows 10 hibernare/sleepon laptop

RU: Двойная загрузка исчезла после перехода в спящий/сонной режим Windows 10 на ноутбуке

VI: Dualboot biến mất sau khi máy tính xách tay ngủ đông/sleepon của windows 10

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