How to mend Compaq Second Hand

how can I correct a horizontal screen image to vertical?

how can i fix my comaq?

how can i fix a cd-rom drive,compaq,ltn-486s?

help I need this for work?

upgrade processor?

windows xp bootup loops?

pc transfer ?

Desktop Pc Modem?

it is curreptd?

defrag?

how do i reset it back to new?

My Compaq will not start when I push the power button. ?

rev up online with foxfire?

slow running compaq presario?

cmos battery?

how can I get my screen resolution back to normal?

How can I enable my desktop to work on broadband?

I need a CD rom drive for my Compaq 7400?

my laptop won't come on why ?

reboot my computer?

can not get my compaq sr2173wm to power up no sign of power anywhere and id?

i have a compaq computer that is freezing?

No sound from my compaq?

bootgr error ?

how to fix my pc to go on line?

how do i make space in my d drive?

how do i unlock my computer?

when i turn the pc on it keeps saying non system disc?

how do you replace a compaq presario F500 sceen?

stupid question abt my compaq presario m2000?