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dlake02
What's DOS?
Posts: 1
Registered: ‎09-20-2019
Location: GB
Views: 110
Message 1 of 2

X1 Yoga 1st Gen

Hello

 

I have a 20FR machine which did an upgrade to BIOS 1.44.

 

Now, when it reboots, it shows the "Lenovo" splash, but then after a few seconds, flashes F1 and F4.

 

I can go to the BIOS settings, but if I try and select the Diagnostics, the system just resets.

 

I've tried clearing the NVRAM by disconnecting the battery and also tried to boot from USB, but same problem.

 

David

Gerd-wd
Fanfold Paper
Posts: 8
Registered: ‎11-09-2017
Location: DE
Views: 100
Message 2 of 2

Re: X1 Yoga 1st Gen

The SSD can be replaced, hte RAM is soldered to the Main board and hard to replace without special knowhow.

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