HI guis ! I've and old HP PRESARIO CQ60-202EL with Vista O.S. I tried to update it to WIN 7 ultimate but when i try to install, it show to me this message: "Windows cannot be installed on a battery-powered computer. If battery power runs out during installation, some data may be lost. To continue the installation, connect the power supply." Infact, battery level 67% signs that is running without beeing charging. But the power supply led is white and cable gives 17,34 ouput DC Voltage. When i try to enter BIOS with F10 key, F10 key not works ! Only F9 key works (change hdd, dvd or usb...
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