Hi allpc starts all fans running beeps once but no post screen tried different graphics card monitor and psu all to no avail any help appreciated
TRy resetting BIOS by removing CMOS battery for 10 minutes, refit and see if it will then boot.
Thanks Fruit bat have tried that but still not doing its stuff could a CPU cause this?
You have changed the graphics card and changed the monitor. Have you tried using a different cable between the graphics card and the monitor?
Hi Chub_torHave tried diff monitor and cable
Try remove refit memory or one stick at a time and retry to boot.
Thanks fruit bat but have tried that also
Remove hdd connections and see if screen lights.
Remove the CPU (and cooler, of course).Refit - try again.When refitting, if the CPU is held in with a lever, Move the lever up and down a few times - this helps wipe the contacts clean.If this works, you'll have to refit properly, cleaning off all the old thermal transfer compound, and reapplying some fresh (just a very thin layer.)
have you ever had a post screen? BIOS controls that. if it works why bother about what it says. one beep is correct mobo response
If you cannot get or see BIOS then its as above Graphics or Monitor fault
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