Screen is sideways--reading horizontally, not vertically!
I have a laptop which i am using it now, but also have a docking station with a large X2gen screen... my cat stepped on something yesterday because whenever i reboot and try to use it (monitor), it reads sideways...very strange.
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Re: screen is sideways--reading horizontally, not...
Your cat probably enable your lcd monitor to a portrait mode. Go to your toolbars on the bottom R/H look for a graphic card settings and right clicked, then look for rotation settings and setting to restore to defaults. Well... hopes that's your case. Have a nice day!
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Try Control Panel - Appearance or Display- You can change how your 2nd display looks there.. Sounds like you have it set in Clone mode...(both displays show the same things)...See if you can reset the 2nd display resolution while keeping the laptop in its normal resolution. Not all machines can do this...but most recent ones should be able to.
Either the power supply is going bad (power light will be orange or off when it goes dark) or the screen itself has the problem (inverter?). If the power button stays green but the screen goes dark, that'll be the problem.
Your post/description indicates a likely AC hum riding on the video signal. This cold be caused by:
faulty capacitor on the unit's power supply regulator circuitry;
electrical intereference which could be caused by external drives, subwoofers, electronic ballasts of some lamps, any electrical/electronic devices physically near the monitor.
The 2nd possibility would mean that the unit has toi be opened. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards. Thank you for using FixYa.
open the monitor there is a vertical ic which has small alluminium heat sink ckeck 12v supply to ic if present then remove ic & check 12v at same point if present then replace ic if absent then check 12v regulator ic if faulty replace it
This is a communication issue starting with your docking station. Sometimes updated drivers are neede to insure that a device works with all devices between your pc and your laptop. Check on Dells website to see if there is an updated driver. In additon you may want to run the cd that came with your monitor, they are always shipped with a cd with drivers on them!
You may want to try and unplugging the power and video connectors of the Dell monitor. Check for anything out of the ordinary with the AC plug and the video connector. If none, plug them back in making sure that they are snug and fitted properly. If problem persist, see if it is possible to rotate the way the AC plug is connected to the mains (sometimes this works and can be done if you are not using 3-prong or the uneven 2-prong AC plug. Sometimes, this can also be done on the other end of the AC plug).
Check your docking station (though unlikely but possibly).
If still a no go and your laptop works ok, then your external monitor needs some looking at. This would involve circuit analysis and component level repair. Perhaps your best bet is to have a qualified professional take a look at it. Good luck and pls post back how things turn up or if you need further information. Kind regards.