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What's DOS?
Posts: 2
Registered: ‎01-12-2018
Location: NL
Views: 228
Message 1 of 4

P50 Hard crashes on boot or wake up

I have this big problem since I have received my P50 (at least for one year now). It is a 7600HQ machine with a Quadro 1000M video card.


Let's say I start my day by turning on the laptop. The laptop boots. I see the Windows login screen. If I wait a little the P50 crashed very hard. The screen shows the artifact in the screenshot I have attached but sometimes I see an even color (like yellow) instead of the artifacts. The whole system is frozen. The lights on the keyboard do not react (num lock for example). So I hard reset the laptop using the power button and this repeats for around 10 times before it is booted correctly. And after this: the P50 is rock solid. It stays on for days at a time. Multiple VM's running, 32GB memory, M.2 SSD. Fully functional.


So I thought it was Windows and installed Linux. This showed the exact same behavior.


Some things to consider:


1. Only happens when I turn on the computer after some down time

2. Once up it is rock solid

3. Seems to happen more when I connect an external monitor (immediatly after connecting the cable). Both DP or HDMI show the symptoms.But I have seen it happen while using the P50 on my lap.

4. All updates installed via the System Update app of Lenovo. Inclusing all BIOS updates

5. Tried the hybrid or dedicated options in the bios for the video card. No change.

6. It does not happen all mornings. Sometimes it boots up fine on the first try.

7. Never happens in the BIOS or boot up screen. Only when the OS is fully booted

8. Happens on battery and when the power adapter is connected


It has all the symptoms of a bad video card but for the life of me I'm not able to explain why the machine is rock solid after these problems. Might be a thermals problem (when I start the machine). But the ambient temperature is normal. I'm also researching some electric problems. When I use my earphones (pluged in to the P50) I can feel some electricity in my ear but the problem happens also when on battery.

Community SeniorMod
Community SeniorMod
Posts: 10,008
Registered: ‎01-01-2010
Location: US
Views: 218
Message 2 of 4

Re: P50 Hard crashes on boot or wake up

Look in the  event viewer and see if there is a message at the time of the problem?


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
What's DOS?
Posts: 2
Registered: ‎01-12-2018
Location: NL
Views: 179
Message 3 of 4

Re: P50 Hard crashes on boot or wake up

There is nothing there just before the crash. It is a very hard crash. The computer does not have the time to write any events. Since it does the same under linux I think it is a hardware issue.

Posts: 206
Registered: ‎01-19-2016
Location: US
Views: 170
Message 4 of 4

Re: P50 Hard crashes on boot or wake up

Does this crash create a dump file. If so, perhaps you can take a look at that and see.

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