Question about Sony VAIO VGN-FE670G Notebook
Intermittent display (cloudy and hazy, streaking mouse pointer, occasional complete failure/blackout) issues on a Sony Vaio VGN-FE670G (m/n=PCG-7N2L). I should also mention that on several occasions after a coldstartup, display was 100% with deterioration after 30+ mins of use (hazing/cloudy streaking gets gradually worse but occurs so slowly it's difficult to notice until things are obscurred beyond recognition - and it never encompasses the entire display, only 50-75% at the most). Problems began after a keyboard coffee spill (notebook belongs to family member; I'm a tech/builder); owner neglected to immediately pull battery and AC power so the notebook was on for a few mins and then abruptly powered off on its own. Disassembled per Sony model-specific service manual, cleaned PCBs, components, case, keyboard, etc. Coffee contacted PSU and boiled off leaving deposits; motherboard contact (and I'm assuming a subsequent short) occurred which explains the sudden powerdown. Liquid contacted integrated WNIC and dvd-ram. However no apparent contact with GPU or any part of the adapter, nor did anything contact the LCD. All of the aforementioned items were cleaned with appropriate solvents and microfibers, etc. Had to literally scrape dried deposits off the mobo and psu so used a toothpick and q-tips for removal. Compressed air and overall secondary cleaning completed, dehumidifier treatment for several days, then reassembly. Everything worked perfectly until about 2 months afterwards and the display began its slow downhill journey. Question: Is this going to be a GPU/video adapter issue? Unit is an Intel 945M Chipset. Other specs: Intel C2D/Centrino, 2GB RAM, 100GB Fujitsu sata hdd, Intel wireless NIC (and ethernet), optical drive is dvd-ram (and works fine, amazingly enough). I am wondering if the LCD could have been damaged via mobo/gpu connection... or if this appears to be isolated to the gpu (which is replaceable). LCD damage = end of game. Thanks in advance!
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Posted on Jan 02, 2017
SOURCE: Sony Vaio PCG-K86P laptop
Sony GRZ610 is a piece of ****. It overheats itself due to poorly designed processor cooling. With time processor performance degrades.
Black screen is an indicator of some fault condition ( I am guessing overtemp. related). Removing power helps clear the fault code.
Removing all the power (battery and ac input) overnight will work usually. However, the processor maybe as good as dead.
Posted on Jul 04, 2008
SOURCE: computer crashed
This is an operating system failure. You can try a system repair or reload with your recovery or operating system disc. Start with the repair, then the reload, if necessary. However, I've found that about 7 out of 10 times in a case like this, the hard drive has crashed and needs replaced. If you have any issues during or after the repiar/reload then it's the hard drive.
Posted on Jul 18, 2008
This looks like the system is not able to sustain itself on the battery power. I have a doubt here. Is it a new or an old laptop. Either Case we have to suspect the battery charging and battery condition. One another reason could be that the battery contact is not good. But this could be of the least chance as the manufacturing of such devices would be perfect in all standards. Lets check the battery power first.
A sony Vaio never operates if the battery is not detected or the battery is not charging, while the system is up and running, you can see a small picture of the battery in the system tray which is at the right bottom corner of the screen. Run your mouse over the same and you will find a tooltiptext message and you can see if the battery is charging or not. If not, your hardware has a problem. If its charging but the battery charge is not increasing, then you have a battery problem. If its a battery problem and that the system is under warranty, you can well get a replacement for free. Hope this resolves the issue. Good Luck.
Posted on Mar 14, 2010
Testimonial: "Thank you for your help - I really appreciate it! My computer is 3 years old, so I suspect the battery is defective. "
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