Having problems with your HP GX612AA Pavilion Media Center M8330F Desktop PC ?

Tower will not boot or communicate with monitor

\015 HP Pavillion will not boot up. Fans turn on but message on monitor says no VGA signal. I have changed cables and monitors with no change. Please help.\015

Answers :

Don't throw out that computer or replace any components just yet.

After\015\012much trial-and-error, I finally figured out the solution for this\015\012common issue with certain HP Pavillion models. It turns out to be a\015\012design flaw with the front-panel memory card reader. Somehow the card\015\012reader's firmware gets scrambled, and it prevents the computer from\015\012booting. You can test this on your machine by temporarily disconnecting\015\012the card reader cable at the motherboard header. Voila - I'll bet you\015\012$1 that your computer will now boot!

The solution is buried deep inside this HP tech support document. The card reader firmware needs to be reset.

Here\\'s how to fix it once and for all:

1)\015\012With the computer power unplugged (duh), open up the case &\015\012disconnect the card reader cable at the card reader itself - NOT the\015\012end that connects to the motherboard header. Make sure the cable end is\015\012not touching any metal components before proceeding to step 2 (another\015\012duh).

2) With the cable still disconnected, fire up the\015\012computer. The tech support doc says to let it boot into Windows and\015\012stay there for about 5 minutes.

3) Shut the computer down and reconnect the cable to the card reader.

4)\015\012Turn your computer back on - your memory card reader will work and,\015\012most importantly, the computer will no longer hang at POST!

I\015\012suspect that when you fire up the computer without the cable connected,\015\012the card reader is designed to reset its firmware by grounding out\015\012through the case - sort of like a CMOS Reset jumper on a motherboard.

I hope this solution is helpful to others.

best,
JohnB
Ok first u can open your cpu and remove the RAM and celan the ram and his sloat. after this your pc is booting.. and working ok
Repair Help & Product Troubleshooting for HP GX612AA Pavilion Media Center M8330F Desktop PC

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