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有没有人在这里有任何想法：我的e4404b可以启动白屏。
没有按钮工作（甚至没有待机）。 我按住此按钮10-20秒，它不会打开设备电源。 我拔下电源插头等待20秒左右，然后重新安装电源线，设备通电至白屏。 史蒂夫 以上来自于谷歌翻译 以下为原文 Does anyone have any ideas here: My e4404b powers up to a white screen. No buttons work (not even the standby). I hold this button in for 10-20 seconds and it won't power the unit down. I unplug the unit wait 20 seconds or so then re-seat the power cable and the unit powers up to the white screen. Thx Steve 
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仪器是否有选项B72？
序列号是什么？ （后面板标签应该告诉你这两个）早期有一个问题B72 DRAM可能导致这样的事情。 问候，迈克 以上来自于谷歌翻译 以下为原文 Does the instrument have option B72? What is the serial number? (The rear panel label should tell you both of these) There was an issue early on with the option B72 DRAM that could cause something like this. Regards, Mike |
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您好Mike M，我对Agilent E4402B固件14.01和B72选件有完全相同的问题。 你有解决方案吗？ 请问，马塞尔 以上来自于谷歌翻译 以下为原文 Hello Mike M, I have exactly the same problem with an Agilent E4402B Firmware 14.01 and the B72 option. Do you have a solution for us? Kindly regards, Marcel |
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嗨马塞尔，仪器的序列号是多少？ 这是刚刚启动时发生的，还是在运行时崩溃，现在就这样做了？ 如果它在运行时崩溃，可能只需要用白色屏幕插入一段时间然后拔掉电源插头再次尝试。 当仪器在运行时显示白屏时，它会在插回时自动进入调试模式，并且需要在调试模式下保持一分钟左右才能完成（你会 完成时没有视觉指示）。 如果你过早拔掉它并将其重新插入，它将再次启动调试模式，因为它从未完成。 一旦你完成它，它将在你下次插入时正确启动。这种行为在更新的固件版本中被改变，而不是你现在的版本，所以它不再进入调试模式，它将 白屏后正常启动。 如果您无法做任何事情，我建议您尝试查看是否允许您加载新固件。 您可以首先通过创建固件加载程序磁盘来检查它是否会这样做。 如果您还没有文件，可以在http://www.keysight.com/find/esa_firmware下载文件并查找相关说明。 （在创建装载器磁盘时，请务必小心按照说明操作，否则仪器将无法启动，我们不想在此处混淆问题）如果仪器将看到固件加载程序磁盘并运行 在它上面的程序很可能意味着固件由于某种原因而变得破坏，你应该能够加载固件并重新开始运行。 如果它不会运行固件加载程序磁盘，那么很可能是某种类型的硬件问题，需要对其进行评估。 最好的问候，迈克 以上来自于谷歌翻译 以下为原文 Hi Marcel, What is the serial number of the instrument? Did this just happen when you powered it up, or did it crash while it was running and now does this? If it crashed while running it may just need to be plugged in for a little while with the white screen and then unplugged and tried again. When the instrument goes white screen on you when it is running it will automatically go into a debug mode when it is plugged back in, and it needs to stay in the debug mode for a minute or so in order for it to complete (you will have no visual indication when it completes). If you unplug it too soon and plug it back in it will start the debug mode again, since it never finished. Once you let it finish it will then boot up properly the next time you plug it in. This behavior was changed in a newer firmware version than what you currently have in it, so that it does not go into debug mode any longer, it will boot as normal after a white screen. If you cannot get it to do anything I would suggest trying to see if it will allow you to load new firmware. You could first check to see if it will do so by creating a firmware loader disk. If you do not already have one you can download the files and find the instructions on this at http://www.keysight.com/find/esa_firmware. (be sure to follow the instructions carefully when it comes to creating the loader disk, otherwise the instrument will not boot from it, and we don't want to confuse the issue here) If the instrument will see the firmware loader disk and run the program on it that most likely means that the firmware has become currupt for some reason and you should be able to load the firmware and be back in busines. If it will not run the firmware loader disk then there is most likely a hardware issue of some sort and it would need to be evaluated. Best regards, Mike |
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cmh23 发表于 2018-11-8 15:19 几年前，我遇到了E4402B这个问题。 原来是由美光公司生产的B72 SIMM。 有关此主题的安捷伦服务说明：E4402B-11。 我更换了SIMM，问题消失了，永远不会回来。 （当时我和安捷伦谈过，虽然他们告诉我有关调试模式的行为，但我采访的人并不知道SIMM问题。） 以上来自于谷歌翻译 以下为原文 I had this problem with an E4402B a few years ago. It turned out to be the B72 SIMMs which were manufactured by Micron. There is an Agilent service note on the subject: E4402B-11. I replaced the SIMMs and the problem went away, never to return. (I spoke to Agilent at the time and although they told me about the debug mode behaviour the person I spoke to wasn't aware of the SIMM problem.) |
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我确实有同样的问题，我的分析仪背面说OPT：A4H，B75，BAA。
分析工作正常，然后通过白色屏幕打开电源。 我能做些什么来解决这个问题。 请告诉我。 谢谢。 以上来自于谷歌翻译 以下为原文 I do have the same issue, the back on my analyzer says OPT: A4H, B75, BAA. The analyzer always worked fine and then powered ON with white screen. Is there anything I can do to get it fixed. Please let me know. Thanks. |
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