Hallo, I am just a simple guy and love to fix things at home. Those interest bring me to this forum as i keep on buying fixable items. I got a laptop, named Compaq Presario CQ40 Notebook Pc. The problem is when I turn on the laptop without any internal hdd it directly boots into bios, in bios every thing work properly. But when I add internal hdd and turns it on, it shows Compaq logo and some other option at left corner to enter bios mode and then within few seconds it shutsdown automatically. If I select biso mode from this section, bios opens and detect every components properly like hdd, Ram...

Hallo, I am just a simple guy and love to fix things at home. Those interest bring me to this forum as i keep on buying fixable items.
I got a laptop, named Compaq Presario CQ40 Notebook Pc. The problem is when I turn on the laptop without any internal hdd it directly boots into bios, in bios every thing work properly. But when I add internal hdd and turns it on, it shows Compaq logo and some other option at left corner to enter bios mode and then within few seconds it shutsdown automatically. If I select biso mode from this section, bios opens and detect every components properly like hdd,...

I got a laptop, named Compaq Presario CQ40 Notebook Pc. The problem is when I turn on the laptop without any internal hdd it directly boots into bios, in bios every thing work properly. But when I add internal hdd and turns it on, it shows Compaq logo and some other option at left corner to enter bios mode and then within few seconds it shutsdown automatically. If I select biso mode from this section, bios opens and detect every components properly like hdd, Ram etc.
But when I chose hdd to boot windows it restarts and shows Compaq logo and then totally shutdown.
When I attach...

I am a tech enthusiast. Like to repair electronics, especially old laptops, phone to preserve it at free time.