Bad system board?

I've got a Compaq Presario CQ61-411WM laptop on which the touchpad & all 3 USB ports are dead. I suspect there's a problem with the system board that's causing both issues - possibly a bad (BGA) connection on the Southbridge chip? The weird thing is that the keyboard works fine.
Before I invest in a new system board, and info or advice will be much appreciated.
Thanks!

Thanks. Yes, I've already tried booting from a couple different "live cd's", and still no go on the touchpad or USB ports. It's definitely a hardware issue, so I'm gonna go ahead and try a new system board.
It's an Intel-based board, so the Southbridge chip handles all the hardware I/O (USB, IRQ assignments, DMA, etc). The only thing that mystifies me is the fact that the keyboard and SATA devices work fine. Go figure...
Once I get the new board, I'll post the results here.
Hopefully I won't have any issues related to HP's infamous "System Board OOA" error messages after the board swap.

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Z77A-GD65 power issue/bad system board?

Looking for advice. I am afraid its a bad board, but some symptoms point at power which also makes no sense.
This is what the WHOLE system should look like.
MSI Z77A-GD65 system board
Intel 3770K 3.5Ghz
Anted Kuhler H20 620
G.Skills RipJaws 16GB 1600Mhz DDR3 F3-14900CL9Q-16GBXL (on the test list)
Asus nVidia GTX 680 video card
OCX Vertex 3 256MB SSD
Seagate 500GB data drive
Razer Lycosa Keyboard
Razer DeathAdder Mouse
Antec Sonata IV case with Neo ECO 620W power supply
It seems to me that 620W should be more than enough. According to my calculations thats roughly 330W of power draw against a 620W powersupply.
I am not currently over clocking.
So what the system does look like is:
If I connect the 500GB drive then windows starts rebooting as soon as the Windows logo comes up.
If I place all four sticks of RAM in the system windows starts rebooting as soon as the Windows logo comes up.
If I leave the 500GB standard sata drive off and only use 3 sticks of RAM... well we get a solid system and I am writing this message on it.
3 sticks of ram appear to work in any 3 slots and allow the system to boot, except 1,3,4. That combo also resulted in the reboots at the windows logo.
I first thought it was RAM, originally I was using Corsair Vengeance. I saw some posts here about people having the same problem, and noted that the Corsiar RAM was not tested and switch to a the tested G.Skill instead.
Any ideas? It does not completely seem like a System board issue, but it certainly should not be power. All heat levels are well within normal and as I said the system works great if I leave off the drive and one stick of RAM.
Thanks guys....

System torn down, and put back together. (Found out I was out of Thrermal Compound, so I had to run to the store to get some.)
No long leads, only 9 stand offs matching each mount point on the systemboard.
Back together... problem is the exact same.
However, back to the hard drive issue. I decided to play with that since I was getting no where with 4 sticks of RAM.
What I have discovered is that with NO sata cable connecting the drive to the system board, if I try to power the two 250GB standard sata drives the system reboots just as the Windows logo should come up.
The fact that this behavior is so close to the RAM behavior... I am back to thinking its a power issue, though system board is still a chance... its just easier to buy a new better power supply than the Antec Neo Power 620 that came with the case. (I have not ever had a problem with Antec before, and will likely just buy one of their higher end power supplies to replace it, but I think I will try it next, just in case.)
I am not seeing any strange behavior power wise as far as any monitor shows... but connecting power to a sata drive that is NOT connected with a sata cable and causing a reboot just screams power at me.
Anymore thoughts today. In the mean time off to play Secret World with just the SSD and two sticks of RAM, which still runs rock solid.

IPhone5 bad system board

Yesterday my i5 was at 40% and i decided to plug it in which i noticed it wasnt charging so i rebooted the phone but it wouldnt power back on. I did a handful of hard resets and finally got the screen to show the 'plug in to charge' icon. Im thinking it was at 40% how can it be dead. I plugged it in and wouldnt charge. Tried several cables that worked on the ipad and still wouldnt work with the i5. So i took it in to a local phone repair which they stuck a new battery in and the phone booted but would not charge. They replaced the charge port and still wouldnt charge so they deemed it unrepairable and something wrong with the system board. This phone was bought in Oct 2012 so its about 1.5 yr old. Will apple fix this? whats the procedure on this since its out of warranty?

If the place that repaired the phone was Apple authorized:
If your iPod Touch, iPhone, or iPad is Broken
Apple does not fix iDevices. Instead, they exchange yours for a refurbished or new replacement depending upon the age of your device and refurbished inventories. On rare occasions when there are no longer refurbished units for your older model, they may replace it with the next newer model.
ATTN: Beginning July 2013 Apple Stores are now equipped to do screen repairs/replacements in-house on iPhone 5 and 5C. In some cases while you wait. According to Apple this is the beginning of equipping Apple Stores with the resources needed to do most repairs for iPhones, iPads, and iPod Touches that would not require major replacements. Later in the year the services may be extended as Apple Stores become equipped and staffed with the proper repair expertise. So, if you need a screen repaired or a broken screen replaced or have your stuck Home button fixed, call your local Apple Store to see if they are now doing these in-house.
You may take your device to an Apple retailer for help or you may call Customer Service and arrange to send your device to Apple:
Apple Store Customer Service at 1-800-676-2775 or visit online Help for more information.
To contact product and tech support: Contacting Apple for support and service - this includes international calling numbers.
You will find respective repair costs in the appropriate link:
iPod Service Support and Costs
iPhone Service Support and Costs
iPad Service Support and Costs
There are third-party firms that do repairs on iDevices, and there are places where you can order parts to DIY if you feel up to the task:
1. iResq or Google for others.
2. Buy and replace screen yourself: iFixit

T30 system board replacement

I have a T30 type 2366-86U that I believe has a bad system board (plug in the new charger and the only thing that lights up is the battery indicator- plus I can smell the plastic getting hot- pretty sure its the board) The tag says 236-86U. I can get a replacement real cheap off one of those bid sites but its a 2366-FBU. How interchangeable are the boards? I've been through the KB and read the HMM but there isn't any information about the antiques I'm working with! Anyone know if the two boards (or any other 2366 model) will fit in the machine? Thanks

The board from FBU is actually a better one, type II which supports CPUs over 2.0 Ghz. Go for it.
Good luck.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

Almost 1 month and still no system board replacement

Has anyone else had any probelms getting a replacement system board for a T420S? I have been waiting for a tech to come out on a three week old laptop to replace a bad system board and still am awaiting a backordered part.

duplicitis,
Sorry to hear that you are delayed on parts. Calkenneth is offering fair advice - If you purchased from Lenovo directly in the US, and the failure is within the first 21 days you could get the system replaced as a DOA. Call your sales rep and you will need to provide the service case number.
We can also escalate your service case. Would you send me a PM with your contact info and service case number?
Will try to move this along for you.
Thanks for speaking up,
Mark
ThinkPads: S30, T43, X60t, X1, W700ds, IdeaPad Y710, IdeaCentre: A300, IdeaPad K1
Mark Hopkins
Program Manager, Lenovo Social Media (Services)
twitter @lenovoforums
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IMac G5 not starting up after system board install

Six caps blew on my old system board so I ordered a new one and installed it. The system started up great and was running perfectly. However, after the 3rd or 4th reboot, there is no longer anything on the display. I can hear the power click on and after a few seconds, the fans usually start to sing.
I have reset the SMU several times. I have taken the cover off and checked that LED #1 is on when I plug in the power cord. When I push the internal power button, LED #2 comes on and stays lit. Still there is no display.
Can anyone make a suggestion as to what I might check next or what might be going on?
I feel like maybe I didn't get everything plugged in securely when installing the system board, but it was working initially. Any ideas?

It is quite possible that your replaced board is faulty, or that the caps on the power supply have now gone bad. Check every cap in the machine and see what you find.

M305-S4848 Audio Muddy/lack of treble after system board replacement

I recently sent in my M305-S4848 for repair and the system board was replaced. (wouldn't charge while powered on)
After receiving my laptop back from repair I noticed that the sound quality of my speakers had gone downhill. There is no crackling/hissing and the like but there is a muddy, midrange filled tone and a reduction in treble and clarity. When this computer was serviced the BIOS was updated and the software was set back to factory spec.
     I have a second m305-S4848 that I purchased for my wife at the same time. Our computers sounded the same before mine was sent for repair and different now. I have spoken to Toshiba support, had a remote session performed by a high level tech. No one seems to have any idea what may be wrong. I was told to send in the computer again.
     The concern I have is that the sound is more mediocre than bad and if serviced by a tech without a good ear, the moderate audio problem will not be noticed/corrected/taken seriously. Any help would be greatly appreciated. I'm hoping someone might know what could have happened and the best way to communicate my problem to whatever service depot my notebook may be sent to.
BTW: Notebook seems to be running well in all other respects at this point.
                                             Thanks in advance
                                                            Jason

Chris,
I wanted to reply here on your original thread . I appreciate your noting your prior case 10140045 - this appears not to have been routed correctly and was closed out. We will escalate this situation and ensure follow up.
I appreciate your speaking up, and your patience. I really hope we can restore your confidence in Lenovo.
Mark
ThinkPads: S30, T43, X60t, X1, W700ds, IdeaPad Y710, IdeaCentre: A300, IdeaPad K1
Mark Hopkins
Program Manager, Lenovo Social Media (Services)
twitter @lenovoforums
English Community Deutsche Community Comunidad en Español Русскоязычное Сообщество

Can't boot G5, bad logic board?

G5 Dual 2.0 Ghz, 4 GB Ram
Can't get past blue screen unless I boot in safe mode, then I can get in.
Here's what I've tried:
5 different boot volumes, including Tiger and Leopard and a clean install
internal drives only, external drives only
reseated ram
zapped pram
zapped nvram
reset pmu
booted in single user mode, gets stuck at workaround bonjour unknown error 0
pulled out airport card, reseated airport card
tried just about everything, always stops at the blue screen with cursor
does this sound like a bad logic board or is there anything else I can try? thanks

Dear Mr. Jarrett,
Just analyzing: You're not able to boot normally from any installed system on any hard disk, but you can boot in the single user mode, are able to use AHT and the G5 even boots from the TechTool disk.
However, you do not state you installed those five systems mentioned recently, so the question is: How stable is your computer booted from a DVD (grey install disk or the TechTool bootable disk and are you able to do a fresh system install now?
I don't think your RAM chips are bad, but there could be a problem with (one of) the SATA cables connecting the hard drive to the logic board. Did you try both data cables (by using the second drive bay)? As you undoubtedly know a PowerMac cannot boot from an external USB drive, but having a bad internal data cable could also prevent starting up from a FireWire drive. And take a critical look at the four guide screws: are they well fitted?
From your description I understand you own a dual processor and not the late 2005 duo core G5. These computers are very different animals indeed.
Success and best regards,
Robbert
Message was edited by: Mechanic man
Message was edited by: Mechanic man

How can you brand a serial number onto the system board?

I just replaced a system board and need to brand it with the appropriate serial number. How do I accomplish that? I have software to run when I do that with Dells or Lenovos. How can I do it with an HP?

Hi:
You cannot tattoo a HP notebook. It has to be done by an authorized HP tech service center where they have a DMI tool for that which is not available to the public.
You can tattoo some HP business desktops with this software, link below. It might work on HP consumer desktops but I don't know since I have never tried it on one.
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12...
This program makes a bootable floppy disk, and cannot be installed via any other method than a FDD or USB FDD.
It works on many other HP business desktops other than those listed. It has been used successfully in PC's up to a couple years old.
Paul

Power Mac G5 DP1.8GHz - Bad Logic Board or Power Management Issue?

I have a Power Mac G5 DP1.8GHz/1.5GB/80GB which I bought non-working. It has not yet been disassembled or examined by a certified tech. This is it's issue (which replicates): the computer powers on. It makes a single warning tone, then the LED flashed at least 15 times (too fast to count). Then the posting chord is heard. Hard drive spins up. Then nothing (no video). Won’t boot from any disk. I have changed the RAM and tested the RAM banks with known-to-be-good RAM from another DP1.8GHz G5. The warning tone stopped once or twice after this switch, but then it didn’t chime. I changed the PRAM battery, but not with as new one. However, after installing the used one and then resetting the PMU, it displayed video briefly for the first time. While installed in the other 1.8GHz G5, the hard drive was formatted, given a clean install of OS X 10.4.11, and then moved into this computer where is never mounts. The computer is not accessible through TDM.
Do I have a bad logic board? Bad CPUs? A power managment issue? A RAM issue?

Through my own trial and error troubleshooting, I have found the CPUs to be in good working order and the logic board passes the Apple Service Diagnostic every time. Despite the installation of numerous pairs of modules that worked in another DP1.8GHz, the computer has a RAM issue-it gives the "no good RAM" tone most of the time when it powers up (after a PMU reset it does not). Also the computer boots from disk or into Open Firmware but the disk utility can't see either hard drive so I may have a bad SATA controller.

Replaced system board? How to restore system serial number with a CD.

I have an l412 with a defective system board- would not POST. So I replaced the system board (it's a year out of warranty) and booted up, only to be met with an error code about a sytem serial number mismatch. Boots OK, but system update does not work (because of the serial number mismatch).
The instructions for WHAT to do about this are in the online service manual http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles_pdf/60y3635_02.pdf
When the computer was manufactured, the EEPROM on the system board was loaded with the serial numbers of the system and all major components. These numbers need to remain the same throughout the life of the computer.
If you replace the system board, you must restore the serial number of the system unit to its original value.
You need the LENOVO ThinkPad Hardware Maintenance Diskette to do this. This floppy disk is only available to certified Lenovo service centers. Or those who know how to use google. Versions 1.75, 1.76 and 1.83 are the ones I have used. If you can't find them, you probably should not be trying this anyway.
You read that correctly- DISKETTE. As in floppy disk. How many laptops have one of these? Now you see the problem.
The real trick is HOW to do this- without a USB floppy drive. If you have one of these, stop, you don't need to know this.
For the rest of us....
First, find a computer with a floppy drive. Any computer.
Extract/install the HMD archive onto it. Follow the instructions in the file to make an HMD floppy disk.
Use this program http://www.boodaa.de/index.php/download-mainmenu-31/bootdisk2bootstick-mainmenu-44 to make an image of the floppy. Be sure to save it as a .img type, not .bin
Use this program http://paulski.com/zpages.php?id=1814 to create a bootable CD image using the floppy .img file you just made.
Burn the ISO to a CD and boot from it.
At least on my L412, it works!

you can only download the trial version unless you purchased from adobe and there's a link under your account, https://www.adobe.com/account.html

T 40 Yellow DC-in block on the system board part number

The DC conncector mounted on the system brd where the AC Adapter connects to the laptop. Does anybody know the part number for that. It is a failure I see in many of the t40 series laptop but I have not been able to locate a part number. It does not come with the system board.

Hi SRJack
Please find the link given below for your unit and the Manual and complete part number inside your unit might help you to fix your issue check page number 3-5.
Maintenance and Service Guide
Let us know how it goes!
"I work for HP."
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****Please mark Accept As Solution if it solves your problem****
Regards
Manjunath

Bad system config info

Hello,
OS WIN 8.1
HP Pavillion
I got this message Bad system config info on a blue screen. I can't boot up the OS, even tried safe mode and nothing works. Tried Refresh and nothing.
I need to access my documents and using HP recovery manager with flash usb stick, trying to copy the documents i need to save, but at times it tells me No USb is connected.
There is a problem I just can't get, I tried so many things, Extensive Stress test, passed. Chkdsk /r, no problem. It tells me the computer is locked, or Antivirus is running....Can anyone pls help/
\TKS
Desperate to fix this

When trying to back up files I assume you aren't attempting backing up to same flash drive that contains HP Recovery?
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A5200 has a bad Interface Board?

Sorry for the post about an old piece of kit.
I recently installed an A5200 with 22 FC drives and attached it to dual QLA2302 (I think) HBAs. All told everything works great, except port B0 on the A5200 will not show online.
The array is in split loop mode and the hope was to get 4Gb/s out of it through the four connections plus some redundancy.
The specs:
* Sun V40z
* OpenSolaris build 128a
* 2x QLA2302
* 4x 1Gb GBIC
* 22x 73GB ST373454FC
* 1x A5200
The A5200 shows B0 having zero nodes and the other three having 13 nodes.
I have tried the following and the problem stays with port B0:
* Swap fibre cables
* Swap GBICs
* Swap HBA ports
* Swap HBAs
* Reseat interface board
* Reseat GBIC
No matter what I do, port B0 will show a signal, but not online. Going into test -> debug -> 7 on the A5200, the "SOC HW Regs" screen, shows all working ports with an AL value of 0001, while port B0 cycles between 0080, 0800 and 0400.
The only thing I haven't swapped are the interface boards.
I have looked high and low in the documentation and cannot find the meaning of these "SOC HW Regs" values.
Do I have a bad interface board?
Any and all insight appreciated.
Sincerely,
Marty

I hate to reply to myself.
After reading the troubleshooting guide closer, I enabled auto-bypass and port B was disconnected from drive six on the front backplane.
A simple offline, remove, insert and online reset everything to it's regular state of happiness.
Now zpool is scrubbing a 22 disk RAIDZ3 stripe at 250 MB/s and I am much happier.
Hopefully this will help someone else save a little aggravation.

What is the cost and process for factory refurbish of a tx2-1375dx with a blown system board?cc=us

What is the cost and process for factory refurbish of a tx2-1375dx with a blown system board?
How would one go about arranging for such service?
Why is it impossible to contact a real human for support, either via online chat or phone?

Last I checked I am a real human, it is just that I do not work for HP and can't speak for them. HP would not be the place I would go for a "refurbish" job. They charge an arm and a leg for out of warranty service. You simply need to find someone to replace the system board (motherboard). It is also very likely on that model that you could have your system board repaired. There are many services on ebay that will repair the motherboard at the component level. The cost would be at or under $100 or so. I have more advice to give but many times I write a detailed response only to have the user never come back. I do check my posts so if you want more ideas just please respond. The tx2-1000 was one of the models affected by the nVidia issue that caused so many HP laptops made in the 2007-2009 era to fail prematurely.

Bad system board?

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