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Chosen Solution Hi This is Engineer Majid , from Iraq . I own an APC 1500 ups , the problem is that the utility power is always at 45Hz , causing my ups to work on backup mode all the time Is there any way or modification to reduce this frequency sensitivity feature ? Thanks Zamolxe , Sir Every notes you’ve mentioned is correct , I know roughly that the efficiency will drop by 20% since using 45Hz frequency , but they’re long hours of using diesel generators , all I wanted from APC , is passing this 45 Hz as it is to my loads , but APC refuses this , since it’s out of (clean power) criteria !...

Chosen Solution I recently purchased the following logicboard to fix Wi-Fi airport card issue: MacBook Air 13" (Mid 2013-Early 2014) 1.3 GHz Logic Board / 4 GB . REmoval & installation went fine, and WiFi issues are resolved. However, I now have odd issue of keyboard & track pad won’t work after login. This started only after replacing logic board. system log shows errors similar to the following: Error: AppleHSSPIDevice::_DoDescriptorRequestGated Failed issue request error: 0xe00002ed Error: AppleHSSPIDevice::getDeviceDescriptor Failed to get descriptor with error 0xe00002ed Error: AppleHSSPIDevice::start failed to get device descriptor Error: AppleHSSPIController::_enumerateDevice Start failed Error: AppleHSSPIController::_handleEnumerationFailureGated Failed to enumerate the device....

Chosen Solution My iPhone 6S recently died, it was fine days prior then one day I looked at it and the display glitched out with different colors and the the screen went black. I could still see the back light on for a while after but Still a black screen. Tried to hard reset, nothing happened. Eventually no backlight and it hasn’t turned back on since. Even after trying to charge for a while....

Chosen Solution Hi guys. I just recently made the switch from android to Apple. My iPhone 7 plus has only suffered one accidental drop throughout its use. It started to crash and remain stuck in a bootloop accompanied by strange coloured bars/glitches that show up on my screen when the phone tries to boot. I actually got the phone to boot up to the lockscreen the other day but when I was about to type in my password - the phone shut off....

Chosen Solution I would like to replace the battery,however I live in The Netherlands ,am I still able to buy parts from Ifixit? I am also scared because my Iphone can get ruined while replacing the battery.I saw a 1600 mAh battery is that good? or do need I to buy a 1450 mAh battery. I am so confused please help me. Buy the battery designed for the phone. Check the serial number and order that....

Chosen Solution Hi all! So, common story, my iPhone 6s plus is a rebel and took a dive. Internally, I do not see any signs of corrosion. Attempt 1. I went home after my trip. The phone seemed to be doing alright. It wouldn’t charge, so I put it in rice. The next day, I took the phone apart and put it in rice. There was some mineral deposit from the water....

Chosen Solution The sleep/lock button on the shoulder of my iPhone (original) only works if you press it incredibly hard. I have to press the button against a table and lean on it. It’s pretty frustrating. How easy is it to replace? This is a very common issue, usually caused by a drop or strike to the button area, forcing the button mechanism down into its housing and/or bending in the aluminum casing around it....

Chosen Solution Never had a problem with my iphone, had been using it all day yesterday. It was charged wnet to reach for it and the screen was black. There is no indication that it is “on”, doesnt recieve calls, text etc. I plugged it into the the charger and it does make a beep every 10sec or so. Does anyone have any ideas where to start? I was thinking maybe the battery, but it doesnt seem logical to me that it would just die all of the sudden and not gradually...

Chosen Solution The Link below says that the battery replacement for iphone4s compatibility is for 16,32 and 64 GB. iPhone 4S Battery I have an 8GB model that i bought in India. Will the replacement battery work with my model. Please let me know. Yes.

Chosen Solution I turn my iPod on and I hear some odd clicking noises and then screen comes on and shows the Apple logo. I wait a couple seconds, then it cuts off and the hard drive spins down. I’ve done this many times with the same results. I tried diagnostic mode, but before it even finishes the first test, it cuts off. I suspect it’s either the logic board or hard drive, but I’m not sure which....

Chosen Solution [macbook 13.3//core 2 duo//2.4ghz//white] HI! My macbook hasn’t worked in over 2 weeks and i feel like my arm has been cut off! I purchased a charger from ebay (85w i believe) maybe a year ago and my computer has been fine all year long. One night by accident i dropped the charger and the light kept blinking. its never done that before but i knew it was a big possibility that it would not work for long....

Chosen Solution I’d just like to stand my Time Capsule up on the wall behind my desk, was wondering if with it’s HDD and all if it was safe to mount it vertically. The HDD its self won’t have a problem. But your CT may encounter over-heating if the vents are blocked (the cut around the edge). Find a small block of wood to lift the side up a bit (1/2") that doesn’t block the vent....

Chosen Solution I have the items to open my iPod Touch 5th gen, I have a new charge port to replace the old one with, is it safe to use a hair dryer to open the ipod with? And Will I need any glue or anything to put it back together? You might need more adhesive to put it back together and yes a hair dryer should be fine. Hope this helps....

Chosen Solution MacbookPro4,1 (17 inch, mid 2008 ) I swapped out my dead logic board (would shut off after 2 seconds) with one I purchased from ebay. The new board has the 2.6Ghz processor, with the revised (G84-603-A2) NVIDIA 8600GT 512MB. I installed Yosemitie onto my SSD without issue. The problem came when booting the OS. Random artifacts will appear after about 10 minutes. It is hard to see in the photos, but looks like a bunch of weird purple swirls....

Chosen Solution My display got badly scratched and I need to replace it. I have read the 17" display teardown and the screen is the last thing to come out. Can it be accessed without having to remove all the other parts? mickmich, does not look like it. You will have to take it all apart just like the guide shows. I am not a Mac person, just a person who enjoys hardware from any manufacturer....

Chosen Solution I have a iMac G4, 1.25 GHz. The optical drive and hard drive have stopped working, and replacing the hard drive with a new 160 GB drive did not help. When trying to install OSX on the new hard drive, from an external optical drive, Disk Utility does not even see the new hard drive, and System Profiler says there is nothing on the ATA bus. The computer works fine off of an external hard drive....

Chosen Solution changed aternator wont charge traced all the wires out none seemed to be broken is there a fusable link in the electrical system I had this problem too. After struggling for days it turned out to be a corroded battery connector. Here’s the story: Anyone know what fusible link part number I need -solved alternator Looks like the field coil of the alternator isn’t getting power. There are 3 wires attached to the alternator....

Chosen Solution My Kenmore Elite just began a constant drip leak underneath. Appears to be coming from the incoming water source (looks like just above it). When I turn off the water source it stops, so it doesn’t appear to be from the previous load. Trying to attach photo… Thanks for any direction. Drain Pump If the washer is leaking water the drain pump might have a hole or crack. Or, the bearings might be worn out....

Chosen Solution Hi, I only got my Samsung Galaxy S7 NON Edge about 4 weeks ago and already have a problem. It was bought online from Best Buy, FWIW and they won’t replace it, they want to send it out for service. The headset jack was always tough with getting jacks in and out of it. Now the left side audio doesn’t work except sometimes it’s only the right side that works (I’m thinking a jack part is bent and shorting)....

Chosen Solution My iPhone 7 has lines on the screen and one side is black but the screen is not visibly broken. I can turn it on and all the buttons appear to be working but I cannot unlock because the numbers on the side of the screen behind the black don’t respond to touch. Do I need a new screen or do I have a bigger problem? Any chance it is just disconnected?...