How to mend Compaq Deskpro P550

fitted new hard drive to compaq c700 how come my disk wont boot ?

windows xp bootup loops?

how can I get my screen resolution back to normal?

help I need this for work?

bootgr error ?

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

How do I fix my compaq 615 laptop?

how to reboot the compaq?

compaq cpu cd drawer will not open?

how can i fix my compaq nc6120?

upgrade processor?

brand new Compaq touchpad keeps freezing?

how can i fix my compaq preasrio cq 40 laptop?

i have a compaq c700 broken?

COMPAQ Presario 900 problem?

no sound on proview cy-565?

how to formate my computers?

it is curreptd?

my laptop?

what is the command code to restore mycompaq with vista to factory settings?

defrag?

How do i add bluetooth wireless networking?

compaq presario c500 notebook?

i was hacked into and know i want to reboot my computer ?

Desktop Pc Modem?

how to fix my pc to go on line?

laptop going off without any reason?

how to fix wireless connection compaq prosario?

cmos battery?

how can i recover file after restoring compaq615?