ubuntu failed to find acpi object on start up

[Tafadzwa]

battery not increasing in power during charging

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-pc 2.02~beta2-36ubuntu3.22
ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
Uname: Linux 4.13.0-36-generic i686
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.19
Architecture: i386
Date: Mon Aug 26 15:36:39 2019
ErrorMessage: subprocess installed post-installation script returned error exit status 135
InstallationDate: Installed on 2019-08-08 (17 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release i386 (20180228)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-36-generic root=UUID=ed35c242-06c4-4e26-baea-5938368147af ro quiet splash
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.6
 apt 1.2.32
SourcePackage: grub2
Title: package grub-pc 2.02~beta2-36ubuntu3.22 failed to install/upgrade: subprocess installed post-installation script returned error exit status 135
UpgradeStatus: No upgrade log present (probably fresh install)