Thanks for your help. Best to have secure boot off anyway. The files which exist are shown in my earlier post. Windows 10, Windows 8. Am I totally off base? All downloads available on this website have been scanned by the latest anti-virus software and are guaranteed to be virus and malware-free.

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Or, you can request the driver and we will find it for you.

Acpi.sys: The Windows ACPI Driver

It is after booting into Ubuntu I have the problem. None of those screens look like mine.

I wish I could definitely say what fixed it but I do not know. I boot with this cd and install boot pnp0a033 and it shows the results you’ve seen. AO Driver Acer Source: How to Install Drivers After you have found the right device driver, follow these simple instructions to install it.

ACPI\PNP0A03\0 Drivers Download for Windows 10, 8, 7, XP, Vista

Follow the directions on the installation program screen. My main problem is lnp0a03 bios seems to not be able to find any boot device on the hard drive. With the Ubuntu cd I can see all my stuff, it just will not boot! I’ve got secure boot off at the moment. DriverGuide maintains an archive of drivers available for free Pn;0a03. After reviewing the links you suggest, I guess I’ll try again choosing options to try and fix things.


This was the result: The files which exist are shown in my earlier post. The shim file has the Microsoft secure boot key and should work either way. I think that when I finish copying what I can from this disk, I’m just going to return the system to the way it was when Dell sent it to me and then reconvert to dual boot with ubuntu.

I don’t remember what I had to do when I first installed Ubuntu as that took several days. Version Latest File Size: The acoi level stuff is a bit too much for me.

Accessing PCI Device Configuration Space

Windows Vista and Windows Server and later operating systems automatically support memory-mapped configuration space accesses. For the record, I tried to restore Windows and was only able to use the recovery disks created when I first got the computer.

I must have something wrong in the UEFI partition as it appears that it is not seen as bootable during startup. Boot-Repair cannot do much on repairing Windows. Line in Boot report. I have a Dell 15R touchscreen laptop runnning Windows 8. Am I totally off base?


[SOLVED] dual boot & “no boot device found” error [Archive] – Ubuntu Forums

Next I tried boot-repair to get Ubuntu back Or should I just stay with what is working now? Visit our Driver Support Page for helpful step-by-step videos.

Our new feedback system is built on GitHub Issues. Choose acp type you’d like to provide: Did you change boot to BIOS? At some point I just started seeing the grub startup.

When boot-repair said it found a buggy kernel, I chose “NO” to the copying of the Windows files. They seem to work well, but often need In general, the function driver and Acpi.