How to mend Compaq Presario C300

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

Desktop Pc Modem?

defrag?

windows xp bootup loops?

cmos battery?

brand new Compaq touchpad keeps freezing?

how can i fix my compaq preasrio cq 40 laptop?

how can i fix my compaq nc6120?

how to fix wireless connection compaq prosario?

bootgr error ?

laptop going off without any reason?

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

it is curreptd?

my laptop?

compaq cpu cd drawer will not open?

help I need this for work?

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

how can i recover file after restoring compaq615?

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

upgrade processor?

compaq presario c500 notebook?

i have a compaq c700 broken?

how to reboot the compaq?

How do I fix my compaq 615 laptop?

no sound on proview cy-565?

how to fix my pc to go on line?

How do i add bluetooth wireless networking?

COMPAQ Presario 900 problem?

how to formate my computers?

how can I get my screen resolution back to normal?