Question about Computers & Internet
BenQ Q9C5 LCD
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Posted on Jan 02, 2017
The only solution I've been able to find for this is to turn off the computer for a minute or two and reboot, while rebooting, it is important to keep the mouse moving so the arrow on the screen moves. This should provide a temporary fix, I'm unsure about a permanent one.
Posted on Sep 03, 2007
SOURCE: BenQ LCD 17 inch Monitor
I wonder if this has a backlight in it. Most/or all LCD flatpanel displays use a backlight in them, namely a small florescent tube (a tiny version of the office florescent lights). If this is burn't out, or the little power supply which runs it dead, you will have a black display. The image is actually there, you just can't see it, except perhaps faintly when external light hits it just right. The display must be disassembled to check this light. If you have tech savvy, and some equipment, voltmeter, maybe an oscilloscope, you could check it out. Where to get a replacement lamp? Google it... perhaps the manufacturer.
Posted on Sep 17, 2007
Its a problem with the inverter. check the 4 transistors, C5707 near the connectors for the backlight. If none are defective, look for the PF751 FUSE. It sure to be busted.You can replace that with another 3A fuse. Remember, you should only replace the fuse if you are certain there are no busted transistors in the inverter board. Otherwise, you now have a refurbished Benq Monitor
Posted on Jan 07, 2008
You remove the 5 screws behind and using a plastic card inserted between the front and back plastic frames gently prise it open.
Careful!!! High voltages inside.
Posted on Feb 25, 2008
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