[NJTT]

When my laptop runs on battery, the monitor occasionally turns into black or grey or whatever color screen but the laptop is still running normally. I can hear music or video playing even the screen is off. I can always turn the monitor on again by rebooting or turn it into sleep mode then turn it on again. What could be the possible reason for the problem?

Warranty expired, so I don't wanna send it to the company unless it's I really have to. It's a compaq laptop. I heard my friend's dell laptop also has the same problem.

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Sounds like the screen itself is failing. My dad had to replace one recently, and it was upwards of $300

[jt1990]

Sounds like the screen itself is failing. My dad had to replace one recently, and it was upwards of $300

[shard92]

if it only does it on battery then a couple possibilities are... the battery may not be able to supply clean enough power or maybe it has a power saver function to do that and it's not working correctly... you could check and see if there are any drivers/utilities for power savings on the companies website... It could be the screen is going but if it's just going dark and you can vaguely see something it might also be either the backlight and/or invertor... again if this doesn't happen on full power and only on battery I'd lean away from it being that.... again you could try the battery... either replace it or see if there is a place that " rejuvenates " batteries in your area.

good luck