Okay so now I installed my R9 290 back in, still with no drivers installed, and it crashed again while watching a Youtube video. Even now I don't get a BSOD. It was weird though that I still got the "Display driver stopped responding and has recovered." message while there were no drivers installed.
After a reboot, I tried to install the new beta driver (14.6) and at the end of the install the install manager said it had installed the driver, but that there were some warnings in a log (.xml file). This is what was in the log:
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="Report.xml.xsl"?>
<monetreport xmlns:dt="urn:schemas-microsoft-com:datatypes">
<general>
<cmdline>-UI </cmdline>
<time>06/17/14 13:40:05</time>
<action>install</action>
<download></download>
</general>
<dcm>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x4383</chipid>
<vendorid>0x1002</vendorid>
<ssid>0xd699</ssid>
<ssvid>0x1462</ssvid>
<classcode>0x040300</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0xaac8</chipid>
<vendorid>0x1002</vendorid>
<ssid>0xaac8</ssid>
<ssvid>0x1682</ssvid>
<classcode>0x040300</classcode>
<revisionid>0x00</revisionid>
</device>
<primary>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x67b1</chipid>
<vendorid>0x1002</vendorid>
<ssid>0x9295</ssid>
<ssvid>0x1682</ssvid>
<classcode>0x030000</classcode>
<revisionid>0x00</revisionid>
</primary>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x4391</chipid>
<vendorid>0x1002</vendorid>
<ssid>0x7699</ssid>
<ssvid>0x1462</ssvid>
<classcode>0x010601</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1604</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x9606</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x9600</ssid>
<ssvid>0x1022</ssvid>
<classcode>0x060400</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1601</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x9603</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x9600</ssid>
<ssvid>0x1022</ssvid>
<classcode>0x060400</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x4385</chipid>
<vendorid>0x1002</vendorid>
<ssid>0x7699</ssid>
<ssvid>0x1462</ssvid>
<classcode>0x0c0500</classcode>
<revisionid>0x3c</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x9600</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x9600</ssid>
<ssvid>0x1022</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1603</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x9605</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x9600</ssid>
<ssvid>0x1022</ssvid>
<classcode>0x060400</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1600</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1605</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x439c</chipid>
<vendorid>0x1002</vendorid>
<ssid>0x7699</ssid>
<ssvid>0x1462</ssvid>
<classcode>0x01018a</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x9607</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x9600</ssid>
<ssvid>0x1022</ssvid>
<classcode>0x060400</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x1602</chipid>
<vendorid>0x1022</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060000</classcode>
<revisionid>0x00</revisionid>
</device>
<device>
<name>AMD Radeon R9 200 Series</name>
<manufacture>Advanced Micro Devices, Inc.</manufacture>
<chiptype></chiptype>
<chipid>0x4384</chipid>
<vendorid>0x1002</vendorid>
<ssid>0x0000</ssid>
<ssvid>0x0000</ssvid>
<classcode>0x060401</classcode>
<revisionid>0x00</revisionid>
</device>
</dcm>
<exist>
</exist>
<install>
<package>
<description>AMD Catalyst Install Manager</description>
<result>Succeed</result>
<version>8.0.916.0</version>
<size>20 </size>
</package>
<package>
<description>Microsoft Visual C++ 2012 Redistributable (x86)</description>
<result>Succeed</result>
<version>11.0.50727</version>
<size>9 </size>
</package>
<package>
<description>AMD Display Driver</description>
<result>Succeed</result>
<version>14.200.0.0000</version>
<size>90 </size>
</package>
<package>
<description>HDMI Audio Driver</description>
<result>Succeed</result>
<version>9.0.0.9905</version>
<size>1 </size>
</package>
<package>
<description>Microsoft Visual C++ 2012 Redistributable (x64)</description>
<result>Succeed</result>
<version>11.0.50727</version>
<size>9 </size>
</package>
<package>
<description>AMD Accelerated Video Transcoding</description>
<result>Succeed</result>
<version>13.30.100.40522</version>
<size>3 </size>
</package>
<package>
<description>AMD USB Filter Driver</description>
<result>Succeed</result>
<version>2.0.10.287</version>
<size>1 </size>
</package>
<package>
<description>AMD Catalyst Control Center</description>
<result>Succeed</result>
<version>2014.0522.2157.37579</version>
<size>150 </size>
</package>
<package>
<description>ACP Application</description>
<result>Succeed</result>
<version>1.00.0000</version>
<size>1 </size>
</package>
<package>
<description>AMD Gaming Evolved App</description>
<result>Succeed</result>
<version>1.10.000</version>
<size>49 </size>
</package>
</install>
<uninstall>
</uninstall>
<downloaded>
</downloaded>
<resource>
<hwinfo>Hardware information</hwinfo>
<existpkg>Existing packages</existpkg>
<pkg2inst>Packages for install</pkg2inst>
<pkg2uninst>Packages for uninstall</pkg2uninst>
<otherdev>Other detected devices</otherdev>
<errmsg>Error messages</errmsg>
<name>Name</name>
<manufacture>Manufacturer</manufacture>
<chiptype>Chip type</chiptype>
<chipid>Device ID</chipid>
<otherhw>Other hardware</otherhw>
<download>Download packages</download>
<succeed>Success</succeed>
<fail>Fail</fail>
<vendorid>Vendor ID</vendorid>
<classcode>Class Code</classcode>
<revisionid>Revision ID</revisionid>
<ssid>Subsystem ID</ssid>
<ssvid>Subsystem vendor ID</ssvid>
<header1>Catalyst™ Install Manager</header1>
<header2>Installation Report</header2>
<finalstatus>Final Status:</finalstatus>
<versionofitem>Version of Item:</versionofitem>
<size>Size:</size>
<bytes>Mbytes</bytes>
</resource>
</monetreport>
I'm still experiencing crashes and I am pretty desperate at this point. My system crashed 4 times on me trying to type this message. If no one can make anything out of this, I will consider loading a backup from right after a fresh Window 8(.0) install.