my hp notebook pavilion dm4 windows 7 was originally bought in china and imported to ghana.On its arrival some programs were operating in mandarin chinese whilst some operated in english the fingerprint scanner was also not working, few weeks later the screen always went blank with only the cursor on screen after booting and i was told it was due to cyclical redundancy of the hard disk so i had to buy a new one.the new hard disk was then inserted and i got the laptop back only to realise that it was upgraded to windows 8, when i tried installing some programs like autocad among others i get error codes.later on a friend told me it was because i hadn't partitioned my hard disk, i also got a message saying that my net framwork was missing.i tried to switch it on but the turn windows features on or off box appears without any programs listed.i also tried reinstalling the net framework but i was told that i already have it but its only working partially.i have also tried to reinstall windows but i always get error codes.finally a friend decided to install windows 7 on it through a bootable pendrive but all to no avail.after this i realised that my touchpad does not work when clicked on rather i have to use the right and left buttons to click, the screen brightness is also very dim and i have to strain my eyes and cant even see the cursor on the screen very well.i tried using the shortcut keys but they don't seem to work.this problem has persisted for about two weeks now. i am very desperate and need help as soon as possible..thank you
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