jb light i to me ne pc hp7600 ka powr wala buton dbaya. 2 bar dbany k bd b on na howa to me tesri bar dbaya to indicatr led on hoi aur dzz ki thori se awaz i aur phr bnd ho gya. Ab me powr cabl lgata hn to belkul koi led b ni jlti aur on b ni hota. Powr adoptr sahe hy q k me ne testr sy chk kia hy curnt ata hy cpu men. Plz any solutn???