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Windows 8 on HP Envy 15-1050nr


I have finally successfully installed Windows 8 on my HP Envy 15-1050nr, a machine bought in March, 2010, and upgraded to 16GB of RAM and an SSD.

Trying to install Windows 8 since from the first beta release, it always crashed with a CLOCK_WATCHDOG_TIMEOUT error message on the Blue Screen of Death.

This error was not exclusive to Windows 8, since I always got it when trying to upgrade to the latest ATI display driver for the ATI Mobility Radeon HD 4830 display adapter, on Windows 7 too.

So what I did to make Windows 8 work properly?

I figured out that a clean install was usually successful, and I could use it properly, but always crashed after the first reboot, and was unrepairable.

So I decided to make a clean install and try to use the official HP’s latest display driver for it, made for Windows 7. The driver is available here: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-82890-1&cc=us&dlc=en&lc=en&os=4063&product=4041402&sw_lang=

The sequence I made:

1. Windows 8 clean install, using with a USB key prepared with the “Windows 7 USB/DVD download tool”, available here: http://www.microsoftstore.com/store/msstore/html/pbPage.Help_Win7_usbdvd_dwnTool

2. Installed the HP’s display driver sp48247.exe described above

a. Running in default mode, it did not let me install the driver, so I set it to Windows 7 compatibility mode

b. The sp48247.exe expands to “C:\swsetup\SP48247”, so I changed the compatibility mode for the setup.exe file at this folder. It can be done by right clicking the file, selecting properties, then compatibility tab, and checking the option “Run this program in compatibility mode” and selecting Windows 7

c. Run the setup.exe above and installed the display driver

That’s it.

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