Thread: Need Help...
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04 Jul 2011  

Windows 7 Pro X64 SP1

Do you mean "format", which wipes the partition in which you're installing Windows, or just a Windows re-installation? I've never seen a reformat fail and return to the current Windows installation.

The retail upgrade version of Windows 7 permits you to delete the installation partition, re-create and format it. (That's if the machine is booted from the installation DVD.) I don't know about the version HP provides.

Are these the graphics drivers you tried?

Mobile Intel 4 Series Express Chipset Family Graphics Driver (64-bit) HP Pavilion dv4t-1400 CTO Entertainment Notebook PC - HP Customer Care (United States - English)=

If you can't get into the BIOS setup, you have a problem that does not involve the operating system. It may be a hardware problem. The "green dots" bit sounds like a grahics adapter failure.
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