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Author Topic: [SOLVED] motherboard MSI Z77A-GD65 error code B2  (Read 21922 times)

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rastababy972Topic starter

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[SOLVED] motherboard MSI Z77A-GD65 error code B2
« on: 27-October-12, 23:35:05 »

hello,
 
I recently installed an MSI Z77A-GD65.
Here is my config:
 
- MSI Z77A-GD65
- I5 2500K + Noctua NH U12P-SE2
- KINGSTON Hyper X 1600 Mhz DDR3 4 x 2 GB
- 2 x SSD VERTEX 3 and 4
- POV GTX 660 Ultra Charged 2 go
- WD Caviar 500 GB
- Supply CORSAIR GAMING GS 600
- Case CM HAF932 advanced
 
I searched all the forums I have not found anything on my problem is the following.
at the first start (after installing the hardware) I got a black screen with the little bar at the top left flashing in the bottom right and "B2" then a black screen with the same small bar but not flashing. On my motherboard I have a set of code that runs and stops at B2. No BIOS.J 'tried everything:
- Move the graphics card
- Exchange up memories, play with the colors of slots, try with only 2 bar, try with 3 instead of 4 memories
- Disconnect the SSD and the HDD, change the connections at the plug SATA, try with HDD only
- Clear CMOS
- Start without devices connected (only with keyboard, mouse and screen)
- Check all my connections and CPU + Noctua
 
NOTHING .......................... I do not understand
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xmad

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« Reply #1 on: 27-October-12, 23:50:04 »

Remove the vga and see if it will boot using onboard.

Install the ram into dimms 2 & 4 (Leave 1 & 3 empty for now)
Edit: After removing your vga card, you may need to clear the cmos.
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Mainboard: X79A-GD65 (8D)
CPU: I7-3930K
Setting: 4.5Ghz enhanced turbo w/ speed step functioning.
Memory: Corsair Dominator 2133 CL:9  1.5v 4x4gb
Setting: 2400 CL:10
VGA: 2 x GTX 780Ti Gaming 3G (SLI)
No Overclock other than default
PSU: Corsair AX1200i 12v: 100.1 Amps
SSD: Corsair GS 256GB
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Cooling: Corsair H100I

rastababy972Topic starter

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« Reply #2 on: 28-October-12, 00:07:05 »

I tried and I get an error A0 or A2 but nothing on the screen (my screen turns off after a while because no signal)
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flobelix

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« Reply #3 on: 28-October-12, 00:22:06 »

No signal with just onboard vga? That's bad. Stopping at B2 is graphics problem if that also happens with onboard something is wrong with the cpu. Reseat it and check socket for bent pins.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
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Froggy Gremlin

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« Reply #4 on: 28-October-12, 00:22:41 »

Reading A0, it is at the point of OS loading. A0 is not an error.

I tried and I get an error A0 or A2 but nothing on the screen (my screen turns off after a while because no signal)

Even when using the onboard graphics? :think:
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flobelix

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« Reply #5 on: 28-October-12, 00:35:40 »

Did you remove the GTX660 when using onboard or did you just switch to the onboard connector?
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
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rastababy972Topic starter

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« Reply #6 on: 28-October-12, 00:37:53 »

yes I removed the gtx
whether the integrated card or gtx I have the same problem. I also have a beep that repeats every 30 seconds
I disconnect and recheck all connections and their status
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flobelix

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« Reply #7 on: 28-October-12, 00:40:37 »

Reseat cpu like mentioned before and check socket for bent pins.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
Seasonic G-750 • +12V: 62A • +3.3V: 20A • +5V: 20A
Windows 10 Pro
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HenryW

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« Reply #8 on: 28-October-12, 02:33:26 »

 For initial start-up you need to have only 1 RAM module installed in DIMM1 slot. Remove the other 3 for initial start. After you get it running with one installed then you can shut down and install the rest of them.
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rastababy972Topic starter

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« Reply #9 on: 28-October-12, 13:31:12 »

I just disassemble and reassemble, nothing is broken or damaged and yet always the same error code (B2)
I despair
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flobelix

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« Reply #10 on: 28-October-12, 13:43:41 »

Still also with onboard vga? Try using board outside case on a non-conductive surface with just cpu, cooler, one stick of ram and psu. Connect screen to onboard vga and see if it comes up.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
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Windows 10 Pro
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rastababy972Topic starter

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« Reply #11 on: 28-October-12, 14:25:10 »

no display with the graphics chip on the motherboard, the pc starts and the map always displays the code B2
this code is not even in the manual for the motherboard
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flobelix

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« Reply #12 on: 28-October-12, 15:06:56 »

B2 is a graphics problem as I already said. It stops at initialising vga. The onboard graphics is in the cpu the connectors of the board are just for output. So if it hangs at B2 with just the cpu and the dicrete graphics card not even mounted the cpu itself seems to be faulty or the socket (pins) got bent or damaged while mounting the cpu.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
Seasonic G-750 • +12V: 62A • +3.3V: 20A • +5V: 20A
Windows 10 Pro
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rastababy972Topic starter

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« Reply #13 on: 28-October-12, 17:47:19 »

miracle I tried with my old graphic card GTX460 and it works. I was able to install windows and go into the bios. I will install all drivers (motherboard, graphic card, etc ...) and then I remetterai the gtx660 to see what happens.
In any case, thank you for your help gentlemen
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flobelix

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« Reply #14 on: 28-October-12, 18:46:11 »

 :hat tip: NP only weird it didn't work with onboard but with another discrete vga :think:
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
Seasonic G-750 • +12V: 62A • +3.3V: 20A • +5V: 20A
Windows 10 Pro
Cooler Master Masterbox 5 MSI Gaming Edition

rastababy972Topic starter

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« Reply #15 on: 31-October-12, 14:01:17 »

thanks guys, I fixed the problem, just update my motherboard bios and my gtx660 works

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flobelix

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« Reply #16 on: 31-October-12, 19:22:02 »

 :agrees: Cool, then have fun with your machine and thanks for the update.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4202.16 MHz (42 * 100.05 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
MSI GTX 1080 GAMING X 8G
256GB Samsung 830 SSD + 2TB Seagate Firecuda SSHD
Seasonic G-750 • +12V: 62A • +3.3V: 20A • +5V: 20A
Windows 10 Pro
Cooler Master Masterbox 5 MSI Gaming Edition
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