Hi all,FS9 has been keeping me off the streets for years already and I'm still enjoying it but ..... now I have a seemingly serious problem which I hope someone recognizes and can help me resolve. I'm posting this plea for help in this thread because I suspect I have a hardware problem but I'm not really sure.Since about two weeks ago my FS9 suddenly began crashing and causing my system to re-boot itself with the message that it had recovered from a serious error. The crash and re-boot only happens when in the external view mode of large aircraft parked at almost any large and detailed addon airport, especially when panning around to enjoy the scenery. However, a flight goes quite normally. I underscore that the aircraft and sceneries concerned are not new but have been enjoyed for more than a year.I've tested my 2 Gb. DDR memory with a stand alone program called MemoryTest98 but this reported no problems even after 5 testing passes. I've downloaded and installed the latest graphics drivers for my ATI Radeon 9800 SE card but this did not help either, even after trying all sorts of adjustment combinations in it's software. I've checked all volumes on my HDs for errors using CHKDSK, also to no avail. I've not added or changed anything in FS9 or in WindowsXP for at least two months.The "recovered from a serious error" message gives the following details: Error Signature. BCCode: 1000007f BCP1: 0000008 BCP2: 80042000 BCP3: 00000000 BCP4: 00000000OSVer: 5_1_2600 SP: 1_0 Product: 768_1WindowsXP Home SP-1Pentium 4 3.0 Ghz. dual core, 800 FSBMemory 2 Gb. DDR 3200Graphics card: ATI Radeon 9800SE 128Mb. AGPBoth my processor and graghics card are water cooled and in no way do they get hot.Main board: Gigabyte GA-8KNXP Dual channel. Chipset: 875P2 HDs, one containing WindowsXP and FS9 in separate volumes and the other is only for back-ups. However, even after restoring from the back-up HD the re-boot problem remained.Does anyone have any ideas as to what could be the cause of this sudden problem.Thanks in advance, your help is appreciated.Hans

"Product: 768_1"I had something akin to what you're experiencing with my wife's computer (not used for gaming). The symptoms were a bit different... upon starting the computer from a cold boot it would make it into Windows and then do a soft reboot. Once that was done all was (seemingly) OK. Like you I tested the RAM, checked the VC and it's drivers, and scoured the OS for any problems. In the end it was a flaky power supply. Replaced it with a PCP&C 510 and all is well for her now.Good luck,Greg

Thanks Greg for your idea that my power supply could be the culprit.Your idea now sounds quite logical to me because at the moment that my screen goes black and just before the re-boot, I hear a very short 50Hz. (European) mains buzz coming from somewhere in my PC's intestines. It's quite possible that a slowly dying power supply could, from a certain moment on, no longer keep up the necessary supply under heavy conditions. It's exactly those heavy conditions which I described in my original plea under which the re-boot increasingly occurs.I will post the results of a new power supply in this thread.You quote "Product: 768_1" in your answer. Does this have anything to do with a power supply problem ?Thanks again Greg.HansHolland

I really couldn't acertain that during my research of "768_1". I came to the conclusion through the process of elimination. I tested the memory, then the CPU, I tried the motherboard with different memory and CPU, etc. I finally decided to drop a new PSU into the system and haven't had a problem since.Keep in mind that testing for a flaky PSU is something most folks simply lack the proper equipment for. In my case I was lucky that my conclusion was correct.Good luck. It's very much like chasing a gremlin in the dark.Greg

Thanks again Greg. I borrowed a new PSU and tried it out but ..... alas, the same problem kept coming up. I agree with you that chasing a Gremlin in the dark is difficult enough but with something like that, at least one knows it's a Gremlin and some kind of sly strategy can usually be worked out to catch the b......I will now post my problem in the Flight Simulator thread. Maybe someone there will recognize it and come up a solution.Regards and thanks for the trouble taken.HansHolland