Search found 15 matches
- Mon Aug 28, 2017 1:10 pm
- Forum: Ask for Laptop Repair help!
- Topic: acer 5745 backlight not on
- Replies: 6
- Views: 4567
Re: acer 5745 backlight not on
Satish, please check BL_PWM and BL_EN signal. Pin no.35 and 36 both must be 3.3v
- Mon Aug 14, 2017 12:02 pm
- Forum: Ask for Laptop Repair help!
- Topic: Lenovo B570e
- Replies: 0
- Views: 1291
Lenovo B570e
Hello masters, I have Dell N4030 UMA and Lenovo B570e UMA with shutting down problem. Sometime it works for 10mins and it shutsdown, sometime shutsdown instantly after I press power button. All together machine shutsdown randomly without any warning. Changed SIO, changed ECRST transistors, changed P...
- Thu Aug 10, 2017 2:56 pm
- Forum: Tips By Indiarefix Team
- Topic: functioning of lid or hall switch
- Replies: 3
- Views: 4412
Re: functioning of lid or hall switch
Nikul,
If backlight is completely black then check BL_PWM and BL_EN signal both should be 3.3v
If both signal are present then make sure backlight itself is faulty.
If backlight is completely black then check BL_PWM and BL_EN signal both should be 3.3v
If both signal are present then make sure backlight itself is faulty.
- Wed Jul 19, 2017 2:45 am
- Forum: Laptop Case Studies
- Topic: Acer One 14 Z1402
- Replies: 1
- Views: 1791
Acer One 14 Z1402
Laptop totally dead to sign of life.
Q29 not working but ok. Changed gate controller of Q29, which is Q53.
Now mains short but drain of Q29 not grounded. Checked and found C5 near USB port shorted, changed it. Now machine works fine.
Q29 not working but ok. Changed gate controller of Q29, which is Q53.
Now mains short but drain of Q29 not grounded. Checked and found C5 near USB port shorted, changed it. Now machine works fine.
- Fri Jun 23, 2017 8:05 am
- Forum: Ask BIOS here!
- Topic: Acer V7-582PG
- Replies: 2
- Views: 2185
Re: Acer V7-582PG
Thanks ali..
- Thu Jun 22, 2017 9:50 am
- Forum: Ask for Laptop Repair help!
- Topic: chematic to solve a board mal functioning
- Replies: 1
- Views: 1669
Re: chematic to solve a board mal functioning
BIOS chip should be W25Q64BV and it is 1.8v operated chip. I mean if there is 1.8v then it is ok.
- Thu Jun 22, 2017 9:45 am
- Forum: Ask for Laptop Repair help!
- Topic: Dell vostro 2420 blank display
- Replies: 3
- Views: 2886
Re: Dell vostro 2420 blank display
Did you reflow PCH?
- Thu Jun 22, 2017 9:44 am
- Forum: Ask for Laptop Repair help!
- Topic: Dell 3521 Laptop 2 Beeps
- Replies: 3
- Views: 2995
Re: Dell 3521 Laptop 2 Beeps
Try the RAM rails to controller. Maybe on or more rails are open.
- Thu Apr 13, 2017 9:57 am
- Forum: Clean ME -Region
- Topic: Clean Me region for Ver 8 series
- Replies: 7
- Views: 6536
Re: Clean Me region for Ver 8 series
naeemsapk,
attached, please check and let me know.
attached, please check and let me know.
- Thu Apr 13, 2017 8:43 am
- Forum: Ask for Laptop Repair help!
- Topic: la-a992p backlight not on and no display
- Replies: 5
- Views: 4120
Re: la-a992p backlight not on and no display
Check UG1 5 leg transistor.