Computer won't start After CPU Upgrade

Kennethl97 · Nov 22, 2016

Hi! I recently just bought a modded LGA771 Intel Xeon(R) E5450 to fit in my Gigabyte GA- G41M-Combo (rev 1.3)LGA775 Motherboard running on Windows 10 Pro 64-bit.
I have updated my bios and installed it correctly. But I can't turn it on!
The whole computer just shuts down the whole power all a sudden. Sometimes it loads the bios fine sometimes it cant even reach there and it reaches to the windows logo occasionally.
When i put back my previous Pentium(R) E5700 it worked perfectly as before. Please help. Thanks!
Specs-
Gigabyte GA-G41M-Combo(rev 1.3)
Intel Pentium(R) E5700 dual core(old)
Intel Xeon(R)E5450quad core(new)
2x2GB ram DDR3 one double sided one single sided
Sapphire Radeon HD6670
Powerlogic PSU 450w peak

neil_999 · Nov 22, 2016

Incompatible CPU for the motherboard I'm afraid. Xeon processors are mostly for servers.

Here is the list of possible CPUs, providing the BIOS can take them.
http://www.cpu-upgrade.com/mb-Gigabyte/GA-G41M-Combo(rev._1.3).html

The best you can get in it is a Core 2 Quad.

elbert · Nov 22, 2016

With this moded CPU did you cut the tabs off your 775 socket correctly? If not the CPU will not align correctly.

Kennethl97 · Nov 22, 2016

Yes it fits perfectly it even turns on and bios showing it fine. But I have wobbly Heatsink does it affect it?
I did my research before purchasing it they say the G41 M- combo fits perfectly

BadAsAl · Nov 22, 2016

Wobbly heatsink - major red flag. My guess is it isn't sitting on there enough to provide effective heat distribution and it is getting too hot and shutting down. You need to figure out why it is not on there correctly and fix it.

Kennethl97 · Nov 22, 2016

The clips kinda chipped and some out of place maybe because its been around 5 - 6 years. Some of the clips can't even be locked after been pushed into the hole. But I put back the old E5700 on with the same heatsink and it worked. Maybe because it produce less heat?

elbert · Nov 22, 2016

The G41 is supported in the mod and if the heatsink isn't stable. I think your cpu isn't setting correctly. You may need to take another look at the socket to get the CPU flush and aligned.

Kennethl97 · Nov 22, 2016

The CPU is locked well in place not a single movement can be done. But the heatsink has only the 1 of the corner clips that is working. The rest wont stay put or get locked or go into the lock holes. Should be getting a new heatsink asap.
I will get back here if it's not the solution. Thanks guys!

Kennethl97 · Nov 22, 2016

Quick Update-
I reinstalled the wobbly heatsink properly and its running! But I am now stuck at the Windows 10 Logo not moving at all

elbert · Nov 23, 2016

It may take a clean install to get this working. Its not a normal setup.

Kennethl97 · Nov 24, 2016

Thanks for the reply
I changed to a new heatsink
Now the pc is stable still stuck at the logo
When i plugged in the usb for the clean install it also hangs there
Should I put the old processor for the clean install?
Could it be the processor failed?

elbert · Nov 24, 2016

You could try more voltage as that model requires more than CPU's on the motherboard. check your voltage in bios to see if its below 1.3v. If so give the smallest increase possible until it works or hits 1.325v. If you go over 1.325 volts it could be to much for your cooling. I suggest stopping there and then I would guess the CPU is bad.
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