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The monitor becomes dark after some time in a working session or during the booting. Impossible to work. I must restart the laptop: (Thinkpad T400 videocard VgA Compatibile.) I don't have an external monitor.

This problem started after the upgrade from 14.04 LTS to 16.04 LTS. I uploaded missing drivers. I reinstalled Ubuntu. The problem is still there. Now I suspect the hardware may be broken.

What can I do?

Zanna
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nico
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1 Answers1

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Worst case scenario IS that your PC has defective Hardware, Try doing a fresh install (not an upgrade, those never work, matter of fact the last time i did an upgrade i lost all my data, never trust upgrades to be safe) with a usb stick. if the problem persists i suspect your monitor light bulb is either burning or some kind of damage has been done. hope this helps

Ben Acosta
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