Z77a-G45 Random Reboots

I'm having a difficult time trying to determine why my machine is so unstable. Under any load at all, and many times without me even working on it the machine will reboot. I'm happy to provide any details or additional information that may be needed.
CPU-Z Results
I've run the data lifeguard utility for my hdd. I've run bluescreen view to try and get a handle on it. I've run a repair on the OS more times than I care to admit. But still the problem persists.
Bluescreen view shows a 124 which as far as I know has something to do with processor or memory? Maybe memory voltage?
If anyone can help provide additional idea's I'm open to them.
Thanks in advance.

Sorry for not following the posting policy. I'll try to keep that in mind in the future.
My CPU Model is BX80637i53570.
Board: MSI Z77A-G45 (MS-7752)
Bios: Version 2.10 20130228
VGA: NVIDIA GeForce GTX470
PSU: Heck I can't remember
Processor:Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W
MEM: G.SKILL F3-1600C9D-8GAO 2x4GB
HDD: Western Digital Caviar Green WD10EARX 1 Terabyte (1TB) SATA/600 7200RPM 64MB Hard Drive Model#:WDC WD10EARX-00N0YB0
OC: Native Intel XMP up to 3.7GHz
OS: Windows 7 64bit Professional

Similar Messages

MSI z77a-G45 Infinite Reboot Loop

Hello,
Here are my system specs:
Core i5 3570K
Hyper212 Plus
Intel 330 180 GB SSD (with OS on it)
WD 1TB Black (for data)
MSI z77a-G45 motherboard
G.Skill Ripjaws 8 GB RAM
EVGA GTX 660 FTW Signature 2
Corsair TX650m PSU
Lite-on iHAS124-04 Optical DVD Drive
Corsair 200R case
I should mention the following up front: I don't know what is causing my problem, but my guess is it's either PSU or motherboard.
Nothing in my system is overclocked (except for the fact that my GTX 660 card comes factory OC'd). Here is my issue. Yesterday, I shut down my computer and everything was normal. I didn't change anything at all. Today in the evening, I tried to power on my computer, and it simply goes into an infinite reboot loop. I don't see anything on the monitor, nothing comes up. The computer powers on for about 10 seconds, and then powers off for about 5-6 seconds, and it keeps repeating this process. Actually getting this process to stop is a bit tricky (I think I have to hold down the power button for several seconds when the computer is off). Does anyone have any ideas? I've tried a few things, like checking to make sure the 8 pin and 24 pin cables are tight. I've tried resetting CMOS and taking out the CMOS battery. Ideas? Thank you.

Hi guys. I know this thread is 2 and a half months old but I need to find a solution to this problem. It may have been better to start a new thread, excuse me for not doing it as my problem is quite similar.
Well, my situation is a bit different and I will explain it shortly but first I'll give you my PC specs.
MSI Z77A-G45
Intel i5-3570
Corsair DDR3 8GB (2x4)Kit 1600MHz Vengeance
Nvidia GeForce 9800GT
So when I assembled my PC I put one RAM in DIMM2 and the other in DIMM4. This led to an infinite reboot loop. The fans and the leds were working but nothing was displayed on the screen. After doing some tests removing and inserting again the RAMs with different combinations I came to the conclusion that this infinite reboot loop is occurring when a RAM is inserted either in DIMM1 or DIMM2. My PC works fine if I connect the RAMs in DIMM3 and DIMM4 but not with the DIMM1-DIMM3, DIMM1-DIMM4, DIMM2-DIMM3, DIMM2-DIMM4 combinations.
At first I thought one of my RAMs might be corrupt but after the tests I see that both work fine and I'm starting to believe that the Motherboard has the problem.
Any ideas? This is really frustrating.

Z77A-G45 reboot and select proper boot device

Hey all,
I've had this problem happen to me twice and have yet to figure out what causes it, so I was wondering if anyone knows for certain.
I have a Z77A-G45 with Windows 8 Pro installed. Twice I've had a problem with after rebooting, I get the message:
"reboot and select proper boot device or insert boot media in selected boot device and press a key"
This happens with no USB storage nor CD/DVD in the system. When I try to press Delete to get into BIOS after powercycling, I just get the above message repeatedly with each keypress. The only customization that I've found in common when this happens, is that I have the Fast Boot options enabled -- so for now I'm just avoiding that. (I'm actually am not sure if its making any real difference.) To resolve the problem, I have to clear my CMOS settings via the motherboard.
I don't see any signs of HDD failure - SMART is clean, no I/O errors in the System log, and performance seems fine. So maybe it really is just Fast Boot??
EDIT: Oh, my BIOS version is V2.9 / 20130118
thanks

Recommend to try the latest UEFI/BIOS found here;
https://forum-en.msi.com/index.php?topic=161033.msg1224952#msg1224952

Cyclical Reboot After Sleep - Z77A-G45 Thunderbolt

Often times my computer will restart 3-4 times after resuming from S3 sleep. It is very stable otherwise (passed memtest and prime95). While recent, This is not my first build, but have not seen this particular issue before.
Was hoping for some suggestions on where to start troubleshooting. I am running stock and nearly all default settings in BIOS. I assume this is a memory or possibly a CPU voltage issue, but not looking to re-invent the wheel if someone can point me in the right direction.
Mobo: MSI Z77A-G45 Thunderbolt
BIOS: V10.4 / 20130305
CPU: Intel Core i5-3570K Quad-Core Processor 3.4 GHz 4 Core LGA 1155 - BX80637I53570K
Memory: CORSAIR Vengeance 8GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) CMZ8GX3M1A1600C10
Video: HIS HD6770 Radeon
PSU: OCZ OCZ600MXSP
Primary Drive: Corsair Force Series GT 90GB (6Gb/s) SSD (CSSD-F90GBGT-BK)
OS: Windows 8
Any advice appreciated!

Quote from: Froggy Gremlin on 10-June-13, 14:39:37
This is usually covered in the user manual?
Power Management Setup
Sets system Power Management of EuP2013 and AC Power Loss behaviors. Press
<Enter> to enter the sub-menu.
EuP 2013 [Disabled]
Enables or disables the system power consumption according to EuP2013
regulation.
[Enabled] Optimize the system power consumption according to EuP 2013
regulation.
[Disabled] Disables this function.
Note: When enabled, the system will not support RTC wake up event functions.
Oh, I read it, trust me. This did not explain why it was rebooting when coming out of S3 sleep.
Unfortunately, it did not help -- I had another reset this morning. Going to mess with C1E and Intel C-States next to see if that eliminates it.

MSI Z77A-G45 RAID Issue

Greetings...
Just got a new MSI MoBo and wanted to RAID1 my two WD Caviar Black HDDs. However, everytime I enable RAID and reboot it goes to a black screen with two "Z"s randomly placed in the middle. Once I get to the "black screen", it will only boot to that screen afterwards and needs a CMOS reset to fix. I have tried everything I can think of, but always get the same results. I have successfully installed Windows 7 on one of the drives with AHCI mode enabled, and have also had IDE mode work fine... but as soon as I enable RAID - black screen.
Everything else on the board seems to be fine. Anyone have any ideas?
SYSTEM:
MSI Z77A-G45 mobo
Intel i5-3570 CPU
Coolermaster Hyper 212+ EVO
8GB Crucial DDR3-1600
EVGA 560Ti 448 Core Classified (Primary)
XFX 260GTX XXX Ed. (Physx)
2 x WD Caviar Black Dual-Proc HDDs
LG DVD Super-Multi Burner
Silverstone Decathalon 850W PSU
Windows 7 Home Premium 64-bit

FIXED - Ended up reflashing the BIOS, which restored the RAID utility. BTW, my G15 keyboard would not register the CTRL-I to get into the utility... I had to use a PS/2 keyboard, which required a CMOS reset in order to recognize. Just posting this in case anyone else runs into this.

Brand-new Z77A G45 not booting

Hello all. Just started putting a new build together the other day, using the Z77A G45. When I went to boot it up for the first time, it gave me the "Military Class III" splash screen, with the prompts to switch to POST, start BIOS setup, etc. However, pressing any of the keys doesn't do anything, and it shuts down after about twenty seconds or so. The CPU phase leds all turn on for a few seconds after it's powered on, but after that only the first one remains lit.
I thought it might be because it wasn't recognizing my USB keyboard, but I had the same problem even when I used the PS/2 converter that came with the keyboard. I tried clearing the CMOS, and it gave me a screen showing that it recognized everything plugged into the board, and prompted me to hit F1 to continue setup, which worked, but from there all I got was a black screen with an "underscore" in the upper left hand corner. Rebooting with only one stick of RAM didn't change the problem, and I've tried all the USB ports, with similar results.
I'm thinking that the problem lies in the CPU being damaged during installation, but there don't seem to be any bent pins.
Here's the build:
CPU - Intel Core i3-3220 3.3GHz Dual-Core
Motherboard - MSI Z77A-G45 ATX LGA1155
Memory - Kingston Blu Red Series 8GB (2 x 4GB) DDR3-1333
Storage - Seagate Barracuda 1TB 3.5" 7200RPM
Video Card - MSI GeForce GTX 650 Ti Boost 2GB
Case - NZXT Tempest 410 ATX Mid Tower
Power Supply - SeaSonic 520W ATX12V / EPS12V
Operating System - Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit)
Monitor - Asus VS238H-P 23.0"
Any help or suggestions would be greatly appreciated.

Quote from: dude on 17-November-13, 06:36:40
Try it without any ram, you should get a beep. If not it seems to be RMA time.
This is not true depending on the board and bios version. Not all boards/ bios versions beep at all.

Failed bios update Z77A-G45

Just looking to see what might have caused this and not a potential fix. (board is already at the retailer, techs looking in and will send in for RMA is he cant figure it out)
My system:
Z77A-G45
3770k
Kingston HyperX 8gb
Seagate 2tb 7200
XFX 7850
XFX 750w XXX
Windows 8 Pro 64
Flashed one time with M-flash, Bios version 2.8 DL from the motherboards MSI page and followed the BIOS flash SOP accordingly. Only thing is that BIOS flash SOP said nothing about the USB having to be formatted in FAT32 file system. I flashed while my USB was formatted in NTFS. It did flash properly and I did all the necessary update through Live Update afterward. The thing is that after the update windows explore would become unresponsive quite often and in some websites when I move the cursor over links or picture it would breakup and become pixelated. So I did the same Bios update again through M-flash but this time in FAT32 and needless to say it did not update properly and just kept rebooting.
So what might have cause this since I did the exact same thing for both updates and the time when I went about it incorrectly it works
Now I really feel stupid for not getting the GD65 with the dual bios as originally planned.
Also can some with the same motherboard confirm this for me. The S/PDIF led in the rear panel. I swear it was Green the first day the next day while fiddling with the new case I noticed it was Red. What color is it suppose to be .
Thanks

Thanks for the info xmad. I will look into the forum flash tool, so I figure the problem should not have been cause by the fact that I flash the first time in NTFS, since that udate made it through without problem.
Also when you say that the M-flash is prone to fail does that also apply to using the USB as a portable BIOS chip cause that didn't work for me either. If that the case im really contemplating on treating this a lost and get a new board Dual Bios board.
So I was just reading your stick topic "Bios Flashing & Intel Management Engine" agian I find this very funny cause it saids nothing about this in the instructions for the newer bios. I can imagine it not being in the owners manual since it was not need for the every version of bios, but one would figure MSI would update important infomation like this on the instuction for the newer versions.
thanks

Msi z77a-g45 - BIOS not saving loop

Hi there, I picked up a msi z77a-g45 and an i5 3750k, 4x4GB Kingston RAM, etc etc.
I'm an experienced system builder, but this is my first build in i5 land, or actually on an MSI board. The issue I've got is when I first booted, it shows the "CPU or memory changed !!" and to press F1 for setup or F2 to load defaults and continue. Cool, expected on first boot. I enter setup, get the BIOS how I want it, save and reboot, it immediately shuts my box off and 2 seconds later, back on. All good so far.
But it again prompts the "CPU or memory changed !!" warning. Err...it showed my CPU properly in the BIOS, same with memory.
I've now gone through it quite a few times, and it always re-prompts me to go into the BIOS again or F2 to use defaults.
Doing the F2 deal will get me into Windows, but upon reboot I get the error again and have to F2 again just to boot.
I've tried using Click BIOS to make changes, it however doesn't show any memory in here (updated to latest Click BIOS version), but does show my CPU fine. Shows 0GB.
I've also updated my BIOS to release 25 this morning, no change.
Anyone else have this happen at all? I suppose my next steps will be to drop to a single stick of memory, see if that goes, or do a full 'remove battery' cmos clear. I've tried pushing the clear button on back of mobo but didn't seem to do anything.
Would really appreciate any ideas, thanks all!

Quote from: Psych on 26-July-12, 03:43:47
Hi there, I picked up a msi z77a-g45 and an i5 3750k, 4x4GB Kingston RAM, etc etc.
I'm an experienced system builder, but this is my first build in i5 land, or actually on an MSI board. The issue I've got is when I first booted, it shows the "CPU or memory changed !!" and to press F1 for setup or F2 to load defaults and continue. Cool, expected on first boot. I enter setup, get the BIOS how I want it, save and reboot, it immediately shuts my box off and 2 seconds later, back on. All good so far.
But it again prompts the "CPU or memory changed !!" warning. Err...it showed my CPU properly in the BIOS, same with memory.
I've now gone through it quite a few times, and it always re-prompts me to go into the BIOS again or F2 to use defaults.
Doing the F2 deal will get me into Windows, but upon reboot I get the error again and have to F2 again just to boot.
I've tried using Click BIOS to make changes, it however doesn't show any memory in here (updated to latest Click BIOS version), but does show my CPU fine. Shows 0GB.
I've also updated my BIOS to release 25 this morning, no change.
Anyone else have this happen at all? I suppose my next steps will be to drop to a single stick of memory, see if that goes, or do a full 'remove battery' cmos clear. I've tried pushing the clear button on back of mobo but didn't seem to do anything.
Would really appreciate any ideas, thanks all!
Read my "thread" : https://forum-en.msi.com/index.php?topic=160606.0

MSI Z77A G45 boot loop

Hi everyone!
I just tried to flash my MSI Z77A G45 today from the bios version 2.1 to 2.A.
I had blackscreens all the time when i tried to flash it with the M-FLASH utility from my bios.
Then everything just started normaly (after each blackscreen), but there wasn't any update, i tried to force the update with LiveUpdate.
And now when i try to start the computer, i just get a blackscreen (no signal for the monitor) and a boot loop.
It just stops and reboot after 10s.
My hardware is working perfectly, i think this is from a corrupted bios issue.
Which things i tried:
- Doing a clear CMOS (nothing happens)
- Removing the CMOS battery for 10 minutes (the reboot loop stopped, but there was not any display, i restarted the PC then and the reboot loop started again)
- Cleaning my PC (from dust and things like that), it was not efficient at all
- Booting from a USB key with the bios in, and formated as FAT32, nothing happens too. It doesn't recognize the USB key and anything else (keypad etc.) so the blackscreen was there again.
My Hardware:
CPU: Intel Core i5 3570 3.4 Ghz
Motherboard: MSI Z77A G45
GPU: None (Intel graphics 4000)
RAM: 2x4Gb Corsair Vengeance
HDD: Crucial M4 SSD 64Gb
Power supply: Corsair 850W
Do you think that i need to send my mother board back to the RMA?
I hope you will be able to help me, or find a solution
Thanks in advance

You can try the steps found here https://forum-en.msi.com/index.php?topic=119375.0
Otherwise, it is RMA time.
Next time use the forum flash tool and archives found on the forums.

Intel Quick Sync disabled when discrete card installed on IB and z77a-g45 board

Hi all I have an msi z77a-g45 motherboard with an intel IB 3570K CPU. Recently I install an AMD 7770 graphics card and the on board-graphics is switched off. Now I can't use the intel quick sync to encode my videos. The GPU acceleration for the AMD 7770 is there but the quality is terrible compared to the quick sync and the file is huge ie 46MB for the IB encode and 140MB for the AMD 7770 encode with same settings and output, don't know why. I have read about the lucid virtu software but it does not work or detects my IB 3570K CPU. I have also tried plugging in the HDMI monitor cable to the motherboard instead of the video card but the screen display a no signal message. The problem is I want to use the intel quick sync to encode my videos and my AMD 7770 graphics card to play games, is there a good way to do this instead of plugging and unplugging the video card. Thanks in advance for your help.

You can only use QuickSync without a dedicated graphics. As soon as a VGA card is inserted, it will override the IGP and thus QuickSync is not available.
Only way is to turn off dedicated in windows and reconnect the monitor to the IGP and reboot, or completely remove the dedicated.
I have the same issue with my setup.

Z77A-G45 only integrated graphics boot

Hey all, just upgraded mobo and cpu and so far its only working on the on-board graphics, when i have the monitor connected to a card it wont start boot at all, it comes on, lights and fans whirring but it wont enter the boot screen just stays blank with light on standby, have tried with 2 different cards besides my main and in different pci slots, nada, same thing.
I did have one other problem now fixed but i dont know if relevent to this, when i first turned the newly built comp on and had the above problem i tried the onboard graphics method, it booted but then crashed at windows startup with the x07b error, which after some checking is a hard disk error, i set the sata mode to IDE and it worked, can now go into windows as normal but still only on the onboard graphics.
Any help/advice is appreciated, thanks.
Motherboard: Z77A-G45
CPU: i5-3570k
RAM: Crucial Ballistix BLS2CP4G3D
Graphics card: Gigabyte GeForce GTX 670 Windforce 3X 2048MB (tried a 8800 GTX & something else)
PSU: Enermax Galaxy 850w

Quote from: Froggy Gremlin on 22-March-13, 13:22:29
If you are migrating a HDD from another machine with a previous OS on it, it is not going to work correctly. It needs to be a fresh install. Z77's default to AHCI mode.
thanks for identifying the problem to that little curio, a OS reinstall hmm was trying to avoid that but now I know what the prob is and can tackle it once things are settled.
To get the discrete card to work, change the graphics setting from IGD to PEG, Save and Exit and then hard shut down. Install the discrete card connecting it's PCI-E power, connect the monitor to the discrete card, start the system and see if it now shows graphics.
tried this and alas it hasn't worked, I turn on and go into bios, under advanced section the integrated graphics configuration subsection and the initiate graphic adapter line, I change it from IGD to PEG, click save and exit, while its rebooting I yank out power cable (you said hard shut down), clear power (wait a min and press power button down), install graphics card and connect monitor, reconnect power cable power on and...the same thing.
It was originally actually on PEG so I changed it, saved and let it go into windows to do clean shut down to try your method, did the same thing when it failed first time, have tried a few times now, even tried the method but with changing from PEG to IGD, just in-case of the outside chance the order was a typo on your part.

Z77A-GD80 Thunderbolt (7757) & Z77A-G45 Thunderbolt (7752) & Windows 8 issue

While running Windows 8 with either one of the motherboards, if you have an unknown "Base System Device" in your device manager, you will need to change a BIOS option (figure 1).
VEN_8086&DEV_1548
- Z77A-GD80 Thunderbolt (7757)
- Z77A-G45 Thunderbolt (7752)
Go into the BIOS > Settings > Advanced > Intel® Thunderbolt > Security Level > Set to "Normal Mode w/o NHI". Save and exit the BIOS. When you reboot, the unknown device will be gone (figure 2).
This is Intel issue, however there will be no impact in regards to usability, features, performance, or stability.
FAQ Link:
http://service.msicomputer.com/html/popup/TechSup/formviewer.asp?esoformid=3036

It can also be that Intel Smart Connect is now enabled by default if you flash the bios. So if you flash you bios and notice this, with the z77a-gd80, that could be it as well.

Upgraded to the Z77A-G45, OS SSD Wont Boot!!!

Hello guys,
This is my first post on this forum so bear with me lol. I replaced my mobo from an Asus P67 Sabertooth to the MSI's Z77A-G45. I am trying to get my PC to boot into Windows with my Corsair SSD drive where my OS is installed (windows 7). The problem is that I am getting the message reboot and select proper boot device or insert boot media . Keep in mind that I haven't made any changes to Bios settings, everything is factory default. I just want to get my Pc running WITHOUT HAVING TO FORMAT MY DRIVE This is a brand new setup btw, I just upgraded to from Sandy Bridge to Ivy Bridge. I finished the build yesterday but now I am having this problem. I tried my OEM Windows 7 disk to repair my drive, etc and nothing has worked. Please help!

Quote from: badboy2k on 28-July-12, 00:03:46
you will need to reinstall windows from scratch as the base drivers that windows installed last time will be different then the ones needed tor your current setup! if you change boards always run a fresh install of your os unless its a board with the same chipset as your previos board!
Ok I already prepared myself for this Regarding the OEM Windows, am I going to have to buy a new activation code or will it activate fine? I recall reactivating Windows Vista like 4 years ago when I changed and AMD mobo, although it wasnt an the OEM version.

Z77A-G45 System Instability

Motherboard: MSI Z77A-G45 (BIOS Version E7752IMS V2.4 - I did not update the BIOS, it shipped this way)
CPU: Intel Core i7-2700K Sandy Bridge
PSU: CORSAIR HX850 850W
RAM: G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin SDRAM DDR3 1600 (PC3 12800) Model F3-12800CL9Q-16GBXL
Case: Antec Three Hundred Illusion Black Steel ATX Mid Tower
HDD: 1TB Western Digital Caviar Black WD1002FAEX (SATA Port 2)
Optical: ASUS 24X DVD Burner DRW-24B1ST/BLK/B/AS (SATA Port 3)
GPU: EVGA 012-P3-1570-AR GeForce GTX 570 (Fermi) 1280MB 320-bit GDDR5 PCI Express 2.0 x16
OS: Windows 7 Ultimate 64-bit
Main Problem: System Instability. I've managed to get the OS installed, and was able to eventually get VirusScan, Windows Updates, Chipset drivers, and other drivers installed. However, this was a painful process, with several BSOD's, program crashes, and other lock-ups. After doing so, the system is still unstable.
I also have an SSD I intend to use for acceleration via Intel Rapid Storage Technology (RST). I plan to eventually plug this into SATA Port 1. But I didn't get that far...
I am not OC'ing - using Standard Mode. The only change I made in the BIOS was to switch the SATA Mode to "RAID Mode". I did this prior to OS installation, per instructions. And during OS install, I loaded the Intel SATA controller, per instructions.
OS install was unusually rocky. First attempt failed. Second attempt worked, but took longer than it should have. After installation... crashing, instability, and BSODs.
Checked Memory a couple times, via Microsoft's memory checking tools. Also reseated all DIMMs, to no avail.
After some amount of troubleshooting, I saw that my memory was being reported as: F3-12800CL9-4GBXL DIMMs. I assume this is correct, and that the "Model" I bought (F3-12800CL9Q-16GBXL) just describes the whole package of 4 DIMMs. However, the one thing that is incorrect is that the timing is reported in the BIOS as 11-11-11-28. The timing specs on my RAM are 9-9-9-24. Overriding this in the BIOS to those numbers (for TCL, tRCD, tRP, tRAS) did not make any difference. Instability continued. The memory speed and voltage seems to have been set properly to 1600/1.5V.
The other thing to note here is that I just bought the MSI Z77A-G45 to replace an ASUS P8Z68 DELUXE/GEN3, which was experiencing the same (but less frequent) instability. I've been using it for a couple months, and decided to try my luck with a different motherboard. Only this one is worse. The only components that were reused were the CPU and RAM (and optical drive, PSU, and Case, if that matters), and the only other thing in common was that I had both set up in RAID Mode.
Thoughts on how I should proceed?
Thanks in advance,
-Todd

Quote from: PiranhaTodd on 28-June-12, 15:07:06
Regarding the memory speed, I'm confused. The maufacturer site (gskill.com/products.php?index=349) says:
CAS Latency 9-9-9-24-2N
Speed DDR3-1600 (PC3 12800)
Also just to confirm, to change the timing, I assume I change this in the BIOS, under DRAM Timing Mode, switch to "Link" (from "Auto"), correct? And when I do this, it enables the "Advanced DRAM Configuration" section. If I double-click that, I can specify 9-9-9-24 (for tCL-tRCD-tRP-tRAS). Former values were 11-11-11-28. I assume I leave all other fields at "Auto"? What is the "-2N" in the CAS Latency description on the GSkill site?
Here is the reason:
They are real DDR3-1600, but that means CAS = 11 @ 1.5V
Their XMP profile is buggy (in fact that's the DDR3-1333 profile).
For 1600MHz with CAS = 9, they need 1.60-1.65V

[nforce] K7N2 Delta, having massive lock-ups / random reboots.

Hi all, it's been a while since I last needed your wisdom. Anyway, a couple of days ago my machine began to randomly reboot on me, so I went about trying to figure out what is causing the problem. I've cycled out my PSU, my drives, changed BIOS settings, so on and so forth, and it's still happening. System Specs follow:
MSI K7N2 Delta Mobo
Athlon 2800+ Processor
512 x 2 Kingston ValuRAM PC3200
Generic PSU : 3.3v : 28a, 5v: 30a
EVGA Nvidia Geforce 5950 Ultra 256 MB
Seagate 200GB 7200 RPM Hard drive
Lite-on DVD/CDRW Combo burner
Any ideas? I've been dismantling this thing and rebuilding it over and over for about a week now, and nothing has changed. I get the reboots all the time, graphic-intensive and not. I've even had the machine freeze up in the BIOS menu before. Help me please!!!

Quote from: sickfallout on 19-May-05, 02:38:49
Alright, thanks a lot guys for all your help!
Hi there..
I'm not sure if you have fixed the problem or not.....but i have the same board and my pc reboot maybe one or two times a day...
and i'm sure it is my Ram, and i also use 2x512mb Kingston Value pc3200
i have tried with 2x512mb crucial pc3200 from my other pc and then there is no problem...
ps. I haven't been writing in english for a long time.

Z77a-G45 Random Reboots

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