20 Most Recent Dell UltraSharp 2405FPW 24" Flat Panel LCD Monitor Questions & Answers


Hi , an oldie but goodie ... seems fault might be with your computer graphics device if input from other devices work ok - presuming you have toggled to the correct input via the far right Display input selector button and the appropriate signal cable is connected correctly at both ends Maybe start with ensuring one graphics output only is connected from the computer to the display and the correct input selected on the display via the far left (?) control button ( If you have the nous also help for peace of mind if BIOS setup video control is configured for the correct default video device - particularly if using a graphics/video expansion card - cmos battery might be bad and BIOS has unattended reset to default - I presume your computer is of the same release date era ) Got to start first investigating the basic errors - user ver1 or system

Dell UltraSharp... • Answered on Nov 21, 2018


what 645 is it what OS do you run we can never guess OS, windows , windows what???????????????? lrabwkbsaquknavhjkkabcovmksabcovcc6wabygucs2xaryhucg0xwrwhkkh0jxk5p8h3gyfqzenjyoaaaaasuvork5cyii=

Dell UltraSharp... • Answered on Nov 08, 2018


time to do a back up and replace he hard drive

Dell UltraSharp... • Answered on Oct 28, 2018


You could try blowing out the card slot with compressed air and/or swapping out the USB cable the runs from the monitor to the computer.

Dell UltraSharp... • Answered on Sep 01, 2017


check for dry joints connector at the inverter board or if the back light tube is almost black in color it needs replacement.

Dell UltraSharp... • Answered on Jun 13, 2015


You need to power cycle your LCD moniter, and then disconnect the display cable of your LCD from your system and see if yor LCD is doing the self test, if that is passing the self test that means there is nothing wrong with your LCD you need to check your system espeacially display adaptor and the drivers, you can also cross check if you have any other monuiter at home.

If your LCD moniter does not pass the self test then it means it has crashed you need to get it repaired or get the new one.

Dell UltraSharp... • Answered on Jun 13, 2015


Most probably bad drivers might cause loosing optimal resolution.try reinstalling the drivers provied by the maufacturur or try downloading the latest drivers from manufacturere official website

Dell UltraSharp... • Answered on Jan 11, 2015


In display properties or ATI utilities, there may be an option such as 'hide modes this monitor doesn't support' or 'show all modes'. If so, you may be able to set your resolution by using this option.

Also, check in the BIOS for any settings related to display mode support. Otherwise, you will need to contact the Mboard manufacture site for possible BIOS settings probably limiting access to this resolution.

Dell UltraSharp... • Answered on Nov 13, 2014


Hi Dont think they are available any more. It's becoming a throw away world. I used to fix them.... without a schematic. Your local TV technician can often assist with repairing an older style monitor. e.g. CRT tube type. Modern monitors are LCD & digital electronics. Although they still blow fuses & have switch mode power supplies with leaky electrolytic capacitors that stop the power supply from working. If your knowledgable in this field then I would start with a visual of the power supply. Be careful of the shock hazards. Good Luck Trevor

Dell UltraSharp... • Answered on Sep 07, 2014


I had the same problem as lasselson. The monitor apparently failed with a "bang". Followed instructions on YouTube to get the case open. C605 capacitor had failed in exactly the way described, and the main fuse (T4A 250V HBC 20mm x 5mm) was blown. I could find no other damage at that point so replaced the fuse (in a holder!) and cap, put the cover on, applied power and "Pop!".
Had another look and found that IC651 had part of the top blown off. (The big resistors standing off the board all seem to have survived though).
Amazingly I found the top of IC651 and with a tiny dot of superglue, put it back in its original location. Had to scrape off laquer and clean the residue with isopropyl alcohol. This revealed the ST logo and figure "6561". Did a search and I'm pretty certain this is the L6561 Power Factor Corrector:

http://www.datasheetcatalog.org/datasheet/stmicroelectronics/5109.pdf

I'll let you know how I get on!
In the meantime, any additional update/advice info would be greatly appreciated, thanks!

Chris Colborne (Technician), Diamond Light Source, UK.

Dell UltraSharp... • Answered on Oct 22, 2013


If model number here is correct what is unit doing or not?

Dell UltraSharp... • Answered on Dec 17, 2012


can u sale out this monitor

Dell UltraSharp... • Answered on Dec 04, 2012


Just go online and check first with who made your pc. see what it will take and search on line for the cheapest place to buy it.

Dell UltraSharp... • Answered on Oct 30, 2012

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