• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

How to power on a computer with a broken power switch?

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
My power switch broke and I can no longer power the computer on using the button. Is there anything else that I can do to power up my computer without using a power switch? Thanks.
 
Joined
May 21, 2008
Messages
961 (0.21/day)
Processor i7 5820K
Motherboard ASRock X99 Extreme4
Cooling Swiftech ApogeeXT + EK D5 + Swiftech 360 Rad
Memory 16GB Gskill DDR4
Video Card(s) EVGA 1080Ti
Storage Corsair ForceGT 120GB + Samsung 840 EVO 250GB + 8TB WD Red
Display(s) Benq XL2730Z (1440P 144Hz, TN, Freesync) & 2x ASUS VE248
Case Corsair Obsidian 750D
Audio Device(s) Aune T1/Fiio E17/Realtek, SE535, TH-X00, ATH-M50 modded w/ V-Moda Boompro
Power Supply Corsair HX1000i
Mouse Sharkoon Fireglider optical
Keyboard Corsair K95 RGB
Software Windows 10 Pro
All you need to do is bridge the wires coming off the power button to turn it on. An ATX power supply can be safely powered on with a paperclip, if you know what you're doing
 

Bot

Joined
Apr 14, 2009
Messages
594 (0.14/day)
System Name BoTBlue
Processor Intel i7-3770
Motherboard Intel DQ77MK
Cooling Corsair H80
Memory Samsung 4x4Gb
Video Card(s) ASUS GTX 470
Storage OCZ Vertex LE
Display(s) Acer
Case AthenaTech
Power Supply Corsair 850w
Software Win 7 Pro x64
did you try the reset switch? can you use the power switch from another pc?
aand what he said

btw, it's pin 16+18 in the 24 pin power connector
 

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
I don't have another PC to take the part from.

I have tried to short the power pins with a flathead screwdriver but the system doesn't stay on; the power supply will start and it will show lights, but the CPU fan doesn't spin and then it just shuts off.

I dunno what to do.
 
Joined
May 21, 2008
Messages
961 (0.21/day)
Processor i7 5820K
Motherboard ASRock X99 Extreme4
Cooling Swiftech ApogeeXT + EK D5 + Swiftech 360 Rad
Memory 16GB Gskill DDR4
Video Card(s) EVGA 1080Ti
Storage Corsair ForceGT 120GB + Samsung 840 EVO 250GB + 8TB WD Red
Display(s) Benq XL2730Z (1440P 144Hz, TN, Freesync) & 2x ASUS VE248
Case Corsair Obsidian 750D
Audio Device(s) Aune T1/Fiio E17/Realtek, SE535, TH-X00, ATH-M50 modded w/ V-Moda Boompro
Power Supply Corsair HX1000i
Mouse Sharkoon Fireglider optical
Keyboard Corsair K95 RGB
Software Windows 10 Pro
Also, once you get it turned on, then you can set the computer in sleep mode and use the keyboard to wake it. It will use more power than being "Off" but at least you can turn it on.


If you feel like modding, you can use any momentary SPST switch in place of your broken power button.

Doesn't stay on... how old is this system?
 

Bot

Joined
Apr 14, 2009
Messages
594 (0.14/day)
System Name BoTBlue
Processor Intel i7-3770
Motherboard Intel DQ77MK
Cooling Corsair H80
Memory Samsung 4x4Gb
Video Card(s) ASUS GTX 470
Storage OCZ Vertex LE
Display(s) Acer
Case AthenaTech
Power Supply Corsair 850w
Software Win 7 Pro x64
correction on my last, should be 14+16 on 20 pin power connector
or
green next to the black ground
 

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
I got the connection right, system was built from Microcenter last night (except the case). I have two power supplies (630W and 500W) I'm trying and they do the same thing if I short circuit it; it just doesn't stay on.

Also, about the reset switch, it's only got one connection and the power switch has two lines, so I can't connect it to that.
 

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
I've even stripped the power switch's cords and twisted the wires together, it still doesn't stay on.
 

Wile E

Power User
Joined
Oct 1, 2006
Messages
24,318 (4.76/day)
System Name The ClusterF**k
Processor 980X @ 4Ghz
Motherboard Gigabyte GA-EX58-UD5 BIOS F12
Cooling MCR-320, DDC-1 pump w/Bitspower res top (1/2" fittings), Koolance CPU-360
Memory 3x2GB Mushkin Redlines 1600Mhz 6-8-6-24 1T
Video Card(s) Evga GTX 580
Storage Corsair Neutron GTX 240GB, 2xSeagate 320GB RAID0; 2xSeagate 3TB; 2xSamsung 2TB; Samsung 1.5TB
Display(s) HP LP2475w 24" 1920x1200 IPS
Case Technofront Bench Station
Audio Device(s) Auzentech X-Fi Forte into Onkyo SR606 and Polk TSi200's + RM6750
Power Supply ENERMAX Galaxy EVO EGX1250EWT 1250W
Software Win7 Ultimate N x64, OSX 10.8.4
You can't leave them contacted together. It's only supposed to be momentary contact, like a reset switch.
 

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
Well at first I just touched the wires together and it did the same thing, started and then went right off.
 
Joined
Apr 21, 2010
Messages
5,731 (1.50/day)
Location
West Midlands. UK.
System Name Ryzen Reynolds
Processor Ryzen 1600 - 4.0Ghz 1.415v - SMT disabled
Motherboard mATX Asrock AB350m AM4
Cooling Raijintek Leto Pro
Memory Vulcan T-Force 16GB DDR4 3000 16.18.18 @3200Mhz 14.17.17
Video Card(s) Sapphire Nitro+ 4GB RX 580 - 1450/2000 BIOS mod 8-)
Storage Seagate B'cuda 1TB/Sandisk 128GB SSD
Display(s) Acer ED242QR 75hz Freesync
Case Corsair Carbide Series SPEC-01
Audio Device(s) Onboard
Power Supply Corsair VS 550w
Mouse Zalman ZM-M401R
Keyboard Razor Lycosa
Software Windows 10 x64
Benchmark Scores https://www.3dmark.com/spy/6220813
So neither PSU will power it on? have you tried resetting the bios, you can do this by taking the battery out for a minute or so, what happened to the PSU, has anything else happened that might explain why it won't power on?
 
Joined
May 21, 2008
Messages
961 (0.21/day)
Processor i7 5820K
Motherboard ASRock X99 Extreme4
Cooling Swiftech ApogeeXT + EK D5 + Swiftech 360 Rad
Memory 16GB Gskill DDR4
Video Card(s) EVGA 1080Ti
Storage Corsair ForceGT 120GB + Samsung 840 EVO 250GB + 8TB WD Red
Display(s) Benq XL2730Z (1440P 144Hz, TN, Freesync) & 2x ASUS VE248
Case Corsair Obsidian 750D
Audio Device(s) Aune T1/Fiio E17/Realtek, SE535, TH-X00, ATH-M50 modded w/ V-Moda Boompro
Power Supply Corsair HX1000i
Mouse Sharkoon Fireglider optical
Keyboard Corsair K95 RGB
Software Windows 10 Pro
The reason I asked how old it was is the AT specification required a latched power switch.

In english that means the switch acts like a light switch. It goes on until you turn it off.


The newer ATX Specification has a momentary switch, meaning it's only on when you hold it down.


If you have a machine newer than '97-2000 and just bridging the contacts for a split second won't turn it on and keep it on, something is damaged beyond the switch. Faulty power supply, probably. It could also be a short circuit somewhere, and the power supply is turning itself off to prevent damage.
 
Joined
Jul 15, 2009
Messages
1,087 (0.27/day)
Location
Upstate NewYork
System Name no remorse
Processor i7 2600k @ 4.7 ht on
Motherboard gigabyte z68x-ud3p-b3
Cooling xspc rasa cpu block, bitspower restop, mcp355
Memory 4 x 4gb corsair vengance 1600 8-8-8-24
Video Card(s) 570 gtx
Storage 2x32 gb patriot ssd's in raid 0 (os & games) / 2 x 500gb barracuda (storage)
Display(s) 25 inch 1080p widescreen i-inc
Case cooler master haf x
Audio Device(s) turtle beach earforce px21 headset (usb)
Power Supply corsair HX850
Benchmark Scores super pi 1m : 7.160 sec. 34,837 3dmark06
i had an issue like this with an old case(cheap), i just plugged the reset button into the mb for the power, worked great for a year or so untill i got a new case.
 

plunx

New Member
Joined
Feb 28, 2011
Messages
33 (0.01/day)
Location
Dallas,Tx.
No explanation why it won't come on. I have two PSUs that Im trying and it's doing the same thing with them both.
 

JrRacinFan

Served 5k and counting ...
Joined
Mar 17, 2007
Messages
19,709 (3.99/day)
Location
Youngstown, OH
System Name Gamer :Server and SOHO Server
Processor Ryzen 3600 : Ryzen 1700
Motherboard Giga X470 Aorus : Biostar X370 GT5
Cooling LEPA 2x120 AIO : Liquid cooled
Memory 2x16GB Oloy 3600 cl18 : 2x4GB Viper Elite 2667
Video Card(s) EVGA 2060 KO Ultra @ 1.9Ghz/7Ghz: XFX R5 220
Storage 1TB NVME + 2x HGST 2TB : WD 10TB + WD 3TB + HGST 2TB + 480GB OCZ Trion 150
Display(s) Asus 27" + Sceptre 24" in portrait : headless
Case Enthoo Pro 2: DIYPC D480-W White Window
Audio Device(s) Onboard : Onboard
Power Supply HCG 850W Bronze : Tt 775W Modular
Mouse Razer Viper : None
Keyboard Razer Cynosa : None
Software Windows 10: Zorin 12.3
Full specs of PC causing the issue please, including case(if it has dents please say so).
 
Joined
Jul 15, 2009
Messages
1,087 (0.27/day)
Location
Upstate NewYork
System Name no remorse
Processor i7 2600k @ 4.7 ht on
Motherboard gigabyte z68x-ud3p-b3
Cooling xspc rasa cpu block, bitspower restop, mcp355
Memory 4 x 4gb corsair vengance 1600 8-8-8-24
Video Card(s) 570 gtx
Storage 2x32 gb patriot ssd's in raid 0 (os & games) / 2 x 500gb barracuda (storage)
Display(s) 25 inch 1080p widescreen i-inc
Case cooler master haf x
Audio Device(s) turtle beach earforce px21 headset (usb)
Power Supply corsair HX850
Benchmark Scores super pi 1m : 7.160 sec. 34,837 3dmark06
Joined
May 21, 2008
Messages
961 (0.21/day)
Processor i7 5820K
Motherboard ASRock X99 Extreme4
Cooling Swiftech ApogeeXT + EK D5 + Swiftech 360 Rad
Memory 16GB Gskill DDR4
Video Card(s) EVGA 1080Ti
Storage Corsair ForceGT 120GB + Samsung 840 EVO 250GB + 8TB WD Red
Display(s) Benq XL2730Z (1440P 144Hz, TN, Freesync) & 2x ASUS VE248
Case Corsair Obsidian 750D
Audio Device(s) Aune T1/Fiio E17/Realtek, SE535, TH-X00, ATH-M50 modded w/ V-Moda Boompro
Power Supply Corsair HX1000i
Mouse Sharkoon Fireglider optical
Keyboard Corsair K95 RGB
Software Windows 10 Pro
Check the motherboard for bulged capacitors. Especially around the CPU area. Since 2 different PSUs exhibit the same behavior, that's obviously much less likely to be the problem. Next most likely problem is a short circuit (check standoffs, as has been said, and make sure the motherboard is clean, no random wires touching anywhere they shouldn't, that sort of stuff.), or a faulty/failing motherboard. Also, check and make sure that all your peripheral power cables are properly seated and none of the power plugs on both the cable and device end are loose, burnt, or distorted. Check that all your fans spin properly. If one of them was somehow stopped for a long period of time, and the coil insulation burnt through, it would create a short circuit inside the fan which the motherboard may detect and refuse to power the computer on. That last one is just a shot in the dark, but stranger things have happened.
 

cdawall

where the hell are my stars
Joined
Jul 23, 2006
Messages
27,669 (5.34/day)
Location
Houston
System Name All the cores || Into the Blue
Processor 2990WX || 5960X
Motherboard Asrock X399M || Asus X99M WS
Cooling CPU-XSPC RayStorm Neo, 2x240mm+360mm, D5PWM+140mL, GPU-2x360mm, 2xbyski, D4+D5+100mL || TBD
Memory 4x8GB G.Skill Trident Z 3200 CL16 || EVGA 3200 2x8GB
Video Card(s) (2) EVGA SC BLACK 1080Ti's || EVGA 1080Ti FE
Storage 2x Samsung SM951 512GB, Samsung PM961 512GB || OCZ Vector 180 480GB
Display(s) Dell UP2414Q 3840X2160@60hz || TBD
Case Caselabs Mercury S5+pedestal || Supermicro S5 (GS5A-753K)
Audio Device(s) Fischer HA-02->Fischer FA-002W High edition/FA-003/Jubilate/FA-011 depending on my mood
Power Supply Seasonic Prime 1200w || Seasonic Snow Silent 750w
Mouse Thermaltake Theron, Steam controller || TBD
Keyboard Thermaltake Poseidon ZX, Steam controller || Corsair K70
Software W10P || W10P
Is everything plugged into the mobo. Such as the 4 or 8 pin connector.
 
Joined
May 21, 2008
Messages
961 (0.21/day)
Processor i7 5820K
Motherboard ASRock X99 Extreme4
Cooling Swiftech ApogeeXT + EK D5 + Swiftech 360 Rad
Memory 16GB Gskill DDR4
Video Card(s) EVGA 1080Ti
Storage Corsair ForceGT 120GB + Samsung 840 EVO 250GB + 8TB WD Red
Display(s) Benq XL2730Z (1440P 144Hz, TN, Freesync) & 2x ASUS VE248
Case Corsair Obsidian 750D
Audio Device(s) Aune T1/Fiio E17/Realtek, SE535, TH-X00, ATH-M50 modded w/ V-Moda Boompro
Power Supply Corsair HX1000i
Mouse Sharkoon Fireglider optical
Keyboard Corsair K95 RGB
Software Windows 10 Pro
^ Yar. Check that too.
 
Joined
Jan 17, 2010
Messages
11,475 (2.94/day)
System Name Delta // HTPC
Processor Intel i7 6700K // Intel i5 4570
Motherboard GIGABYTE Z270X-Gaming K7 // Gigabyte H97M -D3H
Cooling Corsair H80i V2 // Silverstone NT-06 Pro
Memory Corsair DDR4 3600 32gb //G.SKILL Ripjaws X Series 8GB 1600
Video Card(s) EVGA GeForce RTX 2080 XC ULTRA GAMING// EVGA GTX 1050 ti
Storage Samsung 950 Pro NVMe 512, 2 Tb FireCuda// Samsung 1Tb SSD
Display(s) ASUS VP348QGL 34" Quad HD 3440 x 1440 // 55" LG 4K SK8000 Series
Case Corsair Obsidian Series 550D // Silverstone Granada GD05
Audio Device(s) Focusrite Scarlett // HDMI to Samsung HW-R650 sound bar
Power Supply Corsair TX850M // SeaSonic G Series 550w
Mouse Cooler Master MM710 53G
Keyboard Logitech 920-009300 G512 SE
Software Windows 10 Pro // Windows 10 Pro
Well at first I just touched the wires together and it did the same thing, started and then went right off.
It shutting off because something is wrong. Have someone look at it that know what there doing. Stop guessing It could be anything from a fan not connected to a bent CPU pin. Were not going to be able to help you with this one. And twisting wires together is going to do more damage
 
Joined
Jan 31, 2011
Messages
30 (0.01/day)
System Name HTPC
Processor Intel® Core™ i5-4440 Processor
Motherboard Gigabyte GA-H97M-DS3P
Cooling Cooler Master Hyper 212
Memory Corsair Vengeance 4GB x 2 DDR3
Video Card(s) Sapphire R7 240 1 GB
Storage Samsung 850 Pro 128 SSD, WD 1+3 TBs.
Display(s) Panasonic L42ET60D - Dell S2240L LED Monitor [Dual Display]
Case Corsair Carbide 400R
Audio Device(s) Swans M50w - Asus Xonar DX / Audio Technica M50 - FiiO E10
Power Supply Corsair VS350
Mouse Logitech K345 Wireless Keyboard and Mouse Combo
Keyboard Logitech K345 Wireless Keyboard and Mouse Combo
Software Windows 10 Pro x64
Benchmark Scores Bleh! Not anymore.
Joined
Aug 14, 2013
Messages
91 (0.03/day)
if the switch is not clicking. and you need to turn the pc on. use a paper clip and short out the two on switch pins on the mb for a few seconds. if your pc is a newer pc with windows 8 on it try hitting the keyboard or mouse and see if it turns on.
before you turn your pc on check the case front panel. a lot of switches held in by plastic and can fall out or push in. some time 2-3 min of looking at the switch can fix it or band aid it.
 
Joined
Jan 17, 2010
Messages
11,475 (2.94/day)
System Name Delta // HTPC
Processor Intel i7 6700K // Intel i5 4570
Motherboard GIGABYTE Z270X-Gaming K7 // Gigabyte H97M -D3H
Cooling Corsair H80i V2 // Silverstone NT-06 Pro
Memory Corsair DDR4 3600 32gb //G.SKILL Ripjaws X Series 8GB 1600
Video Card(s) EVGA GeForce RTX 2080 XC ULTRA GAMING// EVGA GTX 1050 ti
Storage Samsung 950 Pro NVMe 512, 2 Tb FireCuda// Samsung 1Tb SSD
Display(s) ASUS VP348QGL 34" Quad HD 3440 x 1440 // 55" LG 4K SK8000 Series
Case Corsair Obsidian Series 550D // Silverstone Granada GD05
Audio Device(s) Focusrite Scarlett // HDMI to Samsung HW-R650 sound bar
Power Supply Corsair TX850M // SeaSonic G Series 550w
Mouse Cooler Master MM710 53G
Keyboard Logitech 920-009300 G512 SE
Software Windows 10 Pro // Windows 10 Pro
Almost 5 year old thread. I think they may have figured it out
 
Joined
Jan 31, 2011
Messages
30 (0.01/day)
System Name HTPC
Processor Intel® Core™ i5-4440 Processor
Motherboard Gigabyte GA-H97M-DS3P
Cooling Cooler Master Hyper 212
Memory Corsair Vengeance 4GB x 2 DDR3
Video Card(s) Sapphire R7 240 1 GB
Storage Samsung 850 Pro 128 SSD, WD 1+3 TBs.
Display(s) Panasonic L42ET60D - Dell S2240L LED Monitor [Dual Display]
Case Corsair Carbide 400R
Audio Device(s) Swans M50w - Asus Xonar DX / Audio Technica M50 - FiiO E10
Power Supply Corsair VS350
Mouse Logitech K345 Wireless Keyboard and Mouse Combo
Keyboard Logitech K345 Wireless Keyboard and Mouse Combo
Software Windows 10 Pro x64
Benchmark Scores Bleh! Not anymore.
Worth reviving :)
 

Toothless

Tech, Games, and TPU!
Supporter
Joined
Mar 26, 2014
Messages
6,447 (2.71/day)
Location
Washington, USA
System Name Veraltet
Processor 3700x
Motherboard AsRock Taichi Ultimate x470
Cooling NH-D15 Chromax
Memory G.Skill 2x16GB 3200mhz
Video Card(s) MSI GTX1080 Ti Gaming X
Storage 2 NVMEs + 5 HDDs
Display(s) LG 34UB88-P + 2x AOC 2425W
Case Cosmos 1000
Audio Device(s) SteelSeries Arctis 5
Power Supply Rosewill Fortress 750w
Mouse Logitech G602
Keyboard G.Skill KM780 RGB (Brown switches)
Software Windows 10 Professional
Benchmark Scores Brrrrrrr
Top