Question PC won't POST with new CPU ?

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frol2256

frol2256

Jun 17, 2023
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Hello,

I am trying to upgrade from an Intel Pentium G2030 to a i7-3770k. After swapping the CPUs, the PC won't POST (fans start spinning, no video output and no USB power).

I'm upgrading with a pre-built office PC, of which there is little to no information online (cm6330_cm6630_cm6730_cm6830_m11aa-8 from ASUS). I understand that I probably need to update the BIOS, but I'm having a difficult time getting a ROM file that'll be compatible with my new CPU. At this point I'm not entirely sure that the CPU and motherboard are compatible, but I read online that they were before I bought the CPU. Swapping back to the old CPU works fine, and I've already tried removing the CMOS battery & RAM for some time to no avail.

I would greatly appreciate it if someone could point me in the right direction when it comes to troubleshooting. Best case scenario, someone could just give me a BIOS version that'll make everything work.

Thanks
 
Try identify motherboard with Cpuz. Being an office pc, aka oem, may be bios limited in terms of updates but yeah need to ID the motherboard. Might also be something printed on the board itself somewhere describing what it is.
 
boju said:
Might be this one? The only board that pops up in searching cm6330_cm6630_cm6730_cm6830_m11aa

CM6330 - Support

www.asus.com www.asus.com
Click to expand...
Yeah I came across that. Apparently the BIOS version 4002 works for my new CPU, but I wasn't able to downgrade to it (I looked at this site and there's some 4002 version that's compatible). I tried to use the ASUS EZ flash utility in the BIOS, both by loading the .rom file from the machine (which gave "ROM file is not an EFI BIOS") and from a USB drive (which gave "image integrity check failed"). I also tried to install this BIOS version using the ASUS Manager software, but it only looks for .cap files. This is the point where I got stuck and started this thread. Any ideas on how to get this version installed?

Do you think it's worth updating to the 0904 version, given that this is a Windows 10 machine and the version description specifically says Windows 8 only? How might I find out if this version is compatible with my new CPU?
 
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I don't see any 4002 BIOS that works with your motherboard in your link. That's what matters; you look for BIOS by what is compatible with your exact motherboard. Don't just try to find a BIOS that enables a 3770K irrespective of motherboard compatibility. You're likely to ending up bricking your motherboard permanently doing it this way.

What was originally installed when this was new? Windows 10 was still a year away from being released when this BIOS came out (and three years after the CPU was out).
 
frol2256 said:
This is the point where I got stuck and started this thread. Any ideas on how to get this version installed?
Click to expand...
Yeah i understand that. It is a weird name for a board and really not much solid info to go on to clarify which board it is to be sure because lucky for bios file checker otherwise if you try brute force wrong bios you know what happens next - bricked. The link i posted seems to be it though. Going by userbenchmark as well and looking at bios dates, this user among a few their bios date is of early 2013 which suggests your bios is newer. But that doesn't make sense either because your cpuz screenshot shows your bios date is 2013 and https://www.asus.com/supportonly/cm6330/helpdesk_bios/ says 2014 for 902.

Guys with 3770 with your board.

Example from that list, https://www.userbenchmark.com/UserRun/59682202
BIOS Date20130123

frol2256 said:
Do you think it's worth updating to the 0904 version, given that this is a Windows 10 machine and the version description specifically says Windows 8 only?
Click to expand...

Motherboard released when Win8 was a thing so no that won't matter.

frol2256 said:
(I looked at this site and there's some 4002 version that's compatible)
Click to expand...

Only 4002 bios i can see in list of Asus boards is this one, that's not your board.

ASUS P8H61-M EVO Any4002
 
Using flash utility in bios, you're extracting bios file from zip and placing it on root directory on a Fat32 formatted usb stick?

904 i assume should work. If ezflash file checker validates file and still doesn't boot up with 3770k then it's possible the cpu is faulty.
 
DSzymborski said:
I don't see any 4002 BIOS that works with your motherboard in your link. That's what matters; you look for BIOS by what is compatible with your exact motherboard. Don't just try to find a BIOS that enables a 3770K irrespective of motherboard compatibility. You're likely to ending up bricking your motherboard permanently doing it this way.

What was originally installed when this was new? Windows 10 was still a year away from being released when this BIOS came out (and three years after the CPU was out).
Click to expand...
I believe version 0902 was installed originally
 
boju said:
Using flash utility in bios, you're extracting bios file from zip and placing it on root directory on a Fat32 formatted usb stick?

904 i assume should work. If ezflash file checker validates file and still doesn't boot up with 3770k then it's possible the cpu is faulty.
Click to expand...
Yes that's what I'm doing. Even with 904, PC won't post 🙁
 
Do you have the make/model of the original pc?
If the original offered a I7-3770K as a cpu option, then you should be able to make it work.
See if you can find the listed specs documentation.
But, pre builts are not designed to be upgraded.
For example, the 3770K may draw 2x the power of the G2030 and the motherboard may not be capable of handling that.

Do you now use a ssd for the windows C drive?
If not, such an upgrade would be my first upgrade.
 
geofelt said:
Do you have the make/model of the original pc?
If the original offered a I7-3770K as a cpu option, then you should be able to make it work.
See if you can find the listed specs documentation.
But, pre builts are not designed to be upgraded.
For example, the 3770K may draw 2x the power of the G2030 and the motherboard may not be capable of handling that.

Do you now use a ssd for the windows C drive?
If not, such an upgrade would be my first upgrade.
Click to expand...
I don't know the exact make/model, only going off guesses from images online and what's written on the motherboard. I think it's the ASUS Essentio CM6730-UK020S.
The PC already has a new SSD and GPU, so it's possible that the new power requirement is too high. I'm not sure how I'd discover if this is the issue, the machine does power up, just doesn't POST.
It's very hard to find information about this computer, and what I have managed to find proves pretty useless.
I'm hoping that the problem lies in the fact that the BIOS' EZ flash utility doesn't accept any ROM files, only CAP files when updating. If this is the issue, then the solution would be to somehow get a working CAP bios version or overcome the issue of flashing a ROM.
 
At this point I just want to be sure which BIOS update to download.
Here's all the info about this motherboard:
Model number as shown on the mobo itself:
https://imgur.com/5PDy9lR
View: https://imgur.com/5PDy9lR

CPU-Z results:
https://imgur.com/zBDLSzx
View: https://imgur.com/zBDLSzx
https://imgur.com/lR3TMBB
View: https://imgur.com/lR3TMBB


All this info leaves me conflicted. I don't know whether to download the new BIOS version from here or from here. At any rate, the EZ Flash utility doesn't seem to allow any ROM file to be flashed. I've seen some things about a rom-cap converter but I can't get my hands on it.
The more I read about this motherboard and CPU combination, the more I think that they can and should work together, but there's just something I need to do to get them playing nicely. Can anyone chime in with some wisdom on the subject?
 
frol2256 said:
Version P8H61-M PRO BIOS 4802 gives the "Image integrity check failed" error. Not sure how to circumvent this.
Click to expand...

Tried a different usb stick? Not sure if you previously said that or not. Integrity check error can be from a corrupt usb stick but could also be wrong bios. Not really sure if validating an incorrect bios would show a different message.

Previous bios revisions for P8H61-M PRO doesn't list 0902 so it doesn't look like it's that either. CM6330 is the only one so far that does. Try 0904 on a different usb stick.
 
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i have 1 page that is most likely the motherboard

CM6330 - Support

www.asus.com www.asus.com

try bios 902 as it says windows 8 only for the 904

also it could be that your asus driver software is outdated

there was a 2016 software for this model for updating the bios which is supported for windows 10 so it may have to be done threw the bussiness software of asus since this was a comerical machine and its probly why there isnt a actual bios of supported processors.

Upgrade <br/><br/>ASUS Manager-Update <br/>ASUS Business Manager-Update <br/>ASUS Command-Update <br/><br/>function, version: 2.04.02
Version 2.04.02
53.78 MB
2016/06/07

NOTE:
Before installing, please make sure your unit is installed v2.10.01 or later version ASUS Manager / ASUS Business Manager / ASUS Command

i recon because its a bussiness pc it cant be updated properly threw the bios but has to go threw this bussiness app instead

CM6330 - Support

www.asus.com www.asus.com
 
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The P8H61-M PRO added support for the 3770K in this BIOS revision:
Version 3705
3.01 MB
2012/03/13

Your existing BIOS is listed as being the 902 BIOS and its listed date is 2014/01/20, and even going by your CPU-Z screenshots it's dated December 2013. The BIOS revision you're on already supports the 3770K so the BIOS isn't the problem here (the last BIOS releases to add CPU support were 0510 on 2011/12/02, 3903 on 2012/06/15, and 4101 on 2012/12/11).

edit: this is assuming that Asus did do proper CPU support for this version of the board, but I can't see why they would do a completely separate BIOS CPU support for the prebuilt.

edit2: which Asus software are you using for BIOS update? ASUS AI Suite II is what you may need to be using.
 
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It's power. How much power that business PC PSU have? Plus after a switch from a simple Pentium Dual Core to a nice i7 Quad Core with HT will give you more power usage. Usually, power is the problem highest problem but could be the least. Not to mention your probably not OCing with that system cuz of cooling deficiencies and the fact that that system isn't liquid cooled I assume lol. K CPUs in my own knowledge should either be heavy heat piped with good fans or just flat liquid cooled. Only the fact that it's just 22W more but that would make a huge difference. I switch from an AMD Dual Core to a Quad Core and ended up getting a new PSU for it cuz of power usage. Advice from a Valued enthusiast; try a bigger PSU.....................
 
NanoSuit3 said:
It's power. How much power that business PC PSU have? Plus after a switch from a simple Pentium Dual Core to a nice i7 Quad Core with HT will give you more power usage. Usually, power is the problem highest problem but could be the least. Not to mention your probably not OCing with that system cuz of cooling deficiencies and the fact that that system isn't liquid cooled I assume lol. K CPUs in my own knowledge should either be heavy heat piped with good fans or just flat liquid cooled. Only the fact that it's just 22W more but that would make a huge difference. I switch from an AMD Dual Core to a Quad Core and ended up getting a new PSU for it cuz of power usage. Advice from a Valued enthusiast; try a bigger PSU.....................
Click to expand...

While it might, it's unlikely to make a difference to the degree it doesn't even POST.
 
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