constant high pitch beeping asus m4a78 htpc

Mar 24, 2018
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Working on a computer for a colleague. After being on for about 15 minutes its crashes and reboots. It freezes on the 'press del to go to setup' screen and makes a constant highpitched beeping sound.

[video="https://www.youtube.com/watch?v=Y1vKSn6QwJs&feature=youtu.be"][/video]

I have replaced the CPU and all of the fans are working, new thermal gel added, so I dont think its an overheating issue.

I have replaced the PSU which solved some other startup issues but not this one.

it has a radeon hd 5670 GPU, 4x1gb RAM, 2 hard drives and a dvd drive.

Anyone seen/heard anything like this before and/or can help me trouble shoot it?

Additionally, when it crashed most recently it displayed the following error: kmode exception not handled. What failed: rapportpg64.sys

Really appreciate the help!

(Sorry If i have posted this twice, but I can't see that I have created any other posts in my profile..)
 
Mar 24, 2018
3
0
10


No speakers were plugged in, so i believe the sound was coming from the motherboard