diff --git a/README.md b/README.md
index d1625c2402b8a..596f2a095525f 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,11 @@ KERNEL=="kfd", MODE="0666", Or you could use the following command:
 * Reboot the system to install the new kernel and enable the HSA kernel driver:
 `sudo reboot`
 
+Note: If there is driver installed already, please un-install it before installing
+the dirver.
+* For Ubuntu, using command
+`sudo dpkg -r PACKAGE_NAME.deb` before installing new driver.
+
 
 ##### Obtaining kernel and libhsakmt source code
 
diff --git a/packages/fedora/kernel-4.1.0-1.amdkfd.fc22.x86_64.rpm b/packages/fedora/kernel-4.1.0-1.amdkfd.fc22.x86_64.rpm
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diff --git a/packages/fedora/kernel-devel-4.1.0-1.amdkfd.fc22.x86_64.rpm b/packages/fedora/kernel-devel-4.1.0-1.amdkfd.fc22.x86_64.rpm
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diff --git a/packages/fedora/kernel-tools-4.1.0-1.amdkfd.fc22.x86_64.rpm b/packages/fedora/kernel-tools-4.1.0-1.amdkfd.fc22.x86_64.rpm
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diff --git a/packages/fedora/kernel-tools-libs-4.1.0-1.amdkfd.fc22.x86_64.rpm b/packages/fedora/kernel-tools-libs-4.1.0-1.amdkfd.fc22.x86_64.rpm
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diff --git a/packages/fedora/libhsakmt-1.8.1-1.x86_64.rpm b/packages/fedora/libhsakmt-1.8.1-1.x86_64.rpm
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diff --git a/packages/fedora/linux-firmware-201603170716-1.noarch.rpm b/packages/fedora/linux-firmware-201603170716-1.noarch.rpm
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diff --git a/packages/fedora/perf-4.1.0-1.amdkfd.fc22.x86_64.rpm b/packages/fedora/perf-4.1.0-1.amdkfd.fc22.x86_64.rpm
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diff --git a/packages/ubuntu/compute-firmware_1.0-913b5ce_all.deb b/packages/ubuntu/compute-firmware_1.0-913b5ce_all.deb
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diff --git a/packages/ubuntu/linux-headers-4.1.0-201603162000-kfd-build-obsidian-82-generic_4.1.0-201603162000-kfd-build-obsidian-82_amd64.deb b/packages/ubuntu/linux-headers-4.1.0-201603162000-kfd-build-obsidian-82-generic_4.1.0-201603162000-kfd-build-obsidian-82_amd64.deb
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